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Jukka
09-24-2018, 01:56 PM
I was just wondering ?

As the Tesla Roadster is such a bad ass ?

Race5
09-24-2018, 02:02 PM
I was just wondering ?

As the Tesla Roadster is such a bad ass ?

With current technology? No way in hell. We aren't even at a point that electric are any more than a novelty technology with no real world application.

Jukka
09-24-2018, 02:21 PM
With current technology? No way in hell. We aren't even at a point that electric are any more than a novelty technology with no real world application.

How fast would you estimate at the best conditions ( really high ) an electric AC could go ?

We counted the ceiling for optimal system to be 36 km ( 116 000 ft ).

Race5
09-24-2018, 02:24 PM
How fast would you estimate at the best conditions ( really high ) an electric AC could go ?

We counted the ceiling for optimal system to be 36 km ( 116 000 ft ).

With the battery technology we have now, maybe 300. It would have to be low level too. The range is so limited you have to chose between power / speed and run time. Getting more range means adding a crap tone of extra weight in batteries so the performance suffers.

Jukka
09-24-2018, 02:26 PM
With the battery technology we have now, maybe 300. It would have to be low level too. The range is so limited you have to chose between power / speed and run time. Getting more range means adding a crap tone of extra weight in batteries so the performance suffers.

How about a solar/battery hybrid (unlike the Solar Impulse 2 which cruises at night too...and charges the batteries daytime) ?

Jukka
09-24-2018, 02:34 PM
Here are some sweet piston engines.

https://www.youtube.com/watch?v=Ms9XPIisRtk

:rolleyes:

Jukka
09-24-2018, 10:25 PM
I reckon it would have to be a flying wing solar (+ battery) powered AC...to go beyond M1 at 110 000 ft where there is no compression at that speed..that we can discuss about.

Alan Eustace and Baumgartner reported of the sound barrier being no longer an obstacle above 100 000 ft. Certainly the aerodynamics have to be adjusted to super sonic flight...sure.

Anyone know a deep pocket to fund this ?

Colbourne
09-25-2018, 04:32 AM
Elon Musk says he has plans for a supersonic electric aircraft, but I would not want to distract him from getting a manned mission to Mars.
I am curious what type of motor would be used for such an aircraft. Would it be more like a ducted fan or even like a gas turbine.

https://en.wikipedia.org/wiki/Musk_electric_jet

I really feel that they should provide a class at Reno for electric aircraft , so that we can watch the improvements in performance each year.

For a short flight I expect speeds over 500mph will be no problem to achieve.

https://www.quora.com/Is-it-possible-to-make-electric-aircraft-capable-of-supersonic-speeds

Jukka
09-25-2018, 06:47 AM
Elon Musk says he has plans for a supersonic electric aircraft, but I would not want to distract him from getting a manned mission to Mars.
I am curious what type of motor would be used for such an aircraft. Would it be more like a ducted fan or even like a gas turbine.

https://en.wikipedia.org/wiki/Musk_electric_jet

I really feel that they should provide a class at Reno for electric aircraft , so that we can watch the improvements in performance each year.

For a short flight I expect speeds over 500mph will be no problem to achieve.

https://www.quora.com/Is-it-possible-to-make-electric-aircraft-capable-of-supersonic-speeds

Think about a supersized PROTEUS ( or Quickie Rutan design..or a dragon fly in general ) with ultra long wings absorbing with 30% efficient solar panels more energy than the Solar Impulse ( around 100 KW ) which enables it to cruise to 30 000 ft...and charge the batteries on the way..as it goes higher it needs more rpms...and starts using the batteries with the solar power..lets say just 300 kw to reach FL 600.

This craft would be lighter than any other hitherto ( in wing loading ) ...a spider like with long legs ( wings ). Possibly using this stuff with foam and carbonfibre; https://www.sciencealert.com/new-super-wood-stronger-than-steel

I think it needs just pair of 2 blade hollow carbon propellers ( variable pitch )..huge dia with genious design ( 90 % efficient like ELIPPSE ).

Key is to understand it sorta flies 100 km/h ( relativity by Galileo Galilei )...but as it has to be able soar at 110 000 ft it has to go really fast ( to create same lift as in the sea level )...and electric engines are good at this task..they need no air..cause ( almost ) no drag compared to combustion engines and weigh just 1/5th.

Get my point ? It has to be at least 50 m ( 160 ft ) spanning craft. Props rotating slowly..as the dia is 15 to 20 ft.

Easier said than done. Since it isn't using batteries all the time and needs to go nowhere it does not need so much energy density...also it can jettison some portion of the batteries at lets say 80 000 ft (energy mangement) before the speed dash.

Good plan ?:yes:

CubersWrist
09-25-2018, 06:59 AM
I really feel that they should provide a class at Reno for electric aircraft , so that we can watch the improvements in performance each year.

For a short flight I expect speeds over 500mph will be no problem to achieve.

https://www.quora.com/Is-it-possible-to-make-electric-aircraft-capable-of-supersonic-speeds

Electric formula one is working to start in 2020
http://airracee.com/

"500mph will be no problem" :lol3:

Jukka
09-25-2018, 07:55 AM
Electric formula one is working to start in 2020
http://airracee.com/

"500mph will be no problem" :lol3:

I see M3 doable..as no compression present.

Max Q occurs usually at FL 600. This design is still crawling 250-300 mph there.

CubersWrist
09-25-2018, 08:10 AM
Just saw your more in depth explanation. I retract the laugh. Sorry, been working for years to break 400 at Reno, and I forgot that you had specified at higher altitudes. It is a good point that electric motors don't need oxygen to breath/work, which Ben Rich said was a big design point on the U-2.

So if you're going to build an all-out record breaking speed machine, then I say anything is possible with $$$. With all the complexity with the size and solar panels and detaching components, I don't see the next generation of airliner, but I do see a technology demonstrator or a speed record setter. Not sure what the rules are on breaking records, but with all the complexity this would take, it sounds simpler if you could get a tow/ride closer to altitude.

Jukka
09-25-2018, 08:25 AM
Just saw your more in depth explanation. I retract the laugh. Sorry, been working for years to break 400 at Reno, and I forgot that you had specified at higher altitudes. It is a good point that electric motors don't need oxygen to breath/work, which Ben Rich said was a big design point on the U-2.

So if you're going to build an all-out record breaking speed machine, then I say anything is possible with $$$. With all the complexity with the size and solar panels and detaching components, I don't see the next generation of airliner, but I do see a technology demonstrator or a speed record setter. Not sure what the rules are on breaking records, but with all the complexity this would take, it sounds simpler if you could get a tow/ride closer to altitude.

I am glad yo got it.

Yes $$$ would be needed as the Solar Impulse II was a multimillion endeavour.

One possible solution is a using a rocket when the M3 has been reached ( and feather the props )..as it is very light it could actually research the higher atmosphere too..I mean stratosphere.

Rich W
09-25-2018, 12:07 PM
All I can think of when reading this topic is this -

http://www.thertphut.co.uk/images/RTPsetup800.png

Rich

Jukka
09-25-2018, 01:58 PM
Electric formula one is working to start in 2020
http://airracee.com/

"500mph will be no problem" :lol3:

Has there ever been a flying wing type of air racer ?

CubersWrist
09-25-2018, 03:29 PM
Not that I know of.

Race5
09-25-2018, 04:52 PM
Has there ever been a flying wing type of air racer ?

Flying wing do not lend themselves to the low altitudes and high angle of attack / high G turns that are required for air racing.

Colbourne
09-25-2018, 07:55 PM
All I can think of when reading this topic is this -

http://www.thertphut.co.uk/images/RTPsetup800.png

Rich

As a child I really enjoyed playing with round the pole electrics. I was using really cheap 3V motors (Mabuchi RE-280SA-2865 I think )(30cents each) and put about 48V down the lines. Cooling holes I cut in the case really helped preserve the brushes. I totally blew away the competition who were using $20 motors when I turned up at model exhibition where they were flying. My speed models ended up with wings cut from ice cream containers and a spruce fuselage.
It was also a way to give life to the built up construction scale models originally designed for rubber power.
I would like to go back and try with brushless motors where the motors can survive much longer.

Colbourne
09-25-2018, 08:19 PM
https://www.nasa.gov/centers/armstrong/news/FactSheets/FS-068-DFRC.html

This solar powered aircraft with 14 electric motors ( 2hp each) is able to fly at 170mph at altitude.

https://en.wikipedia.org/wiki/Qinetiq_Zephyr

The Zephyr uses 2 electric motors of 0.6 hp each and is able to fly at over 200mph at altitude.

Colbourne
09-25-2018, 08:48 PM
Just saw your more in depth explanation. I retract the laugh. Sorry, been working for years to break 400 at Reno, and I forgot that you had specified at higher altitudes. It is a good point that electric motors don't need oxygen to breath/work, which Ben Rich said was a big design point on the U-2.

So if you're going to build an all-out record breaking speed machine, then I say anything is possible with $$$. With all the complexity with the size and solar panels and detaching components, I don't see the next generation of airliner, but I do see a technology demonstrator or a speed record setter. Not sure what the rules are on breaking records, but with all the complexity this would take, it sounds simpler if you could get a tow/ride closer to altitude.

I do believe an electric aircraft could reach 500mph at Reno's altitude, although for how long will depend on the state of battery technology. Imagine an aircraft similar to the Mustang built of carbon fibre with improved aerodynamics. Similar flying weight but 80% of that being batteries. 4000kW motor. The Mustang has a weight of about 4000kg , so that would be a battery of about 3200kg. Batteries are currently around 250 Wh/kg so this equates to about 12minutes of full power usage. (if my off the cuff calculations are correct).
What is the flying weight of Strega and its hp ?

https://theconversation.com/teslas-batteries-have-reached-their-limit-heres-how-they-could-go-further-64765

"Bosch’s battery company, Seeo, claims to have developed prototype batteries with an energy density of 350 Wh/kg (watt-hour per kilogram). In comparison, the Panasonic 18650 cells that Tesla uses have an energy density of just 254 Wh/kg. "

"Two potential alternatives are sodium ion-based and possibly sodium metal-based batteries, which have higher energy densities than lithium ion batteries. One such prototype battery has demonstrated 650Wh/kg of energy density,"

Jukka
09-25-2018, 11:25 PM
Flying wing do not lend themselves to the low altitudes and high angle of attack / high G turns that are required for air racing.


Look cool though; https://www.youtube.com/watch?v=6pBxqUG4cfk

Colbourne
09-26-2018, 12:29 AM
Look cool though; https://www.youtube.com/watch?v=6pBxqUG4cfk

https://en.wikipedia.org/wiki/Miller-Bohannon_JM-2_Pushy_Galore
23843

Bohannan entered the aircraft in the Reno Air Races in 1994, qualifying in third place in the Formula One class, with a speed of 236.153 mph (380.051 km/h).[1]

In 1995 Bohannan flew the aircraft to second place in the Formula One Gold championship race at Reno, Nevada.[1]

Jukka
09-26-2018, 12:59 AM
Late Paul McCready developed fully solar power airplanes....with 10% efficienct panels.

Now they have 3 x the efficiency.

https://en.wikipedia.org/wiki/MacCready_Solar_Challenger

Are we missing something ?

Jukka
09-26-2018, 02:39 AM
Delta DYKE is a flying wing.

https://www.youtube.com/watch?v=5imyOLhIJDQ

Jukka
09-26-2018, 11:52 PM
NASA is researching the flying wing. Also the blended wing is coming.

Here Albion Bowers and the Mars conquering flying wing; https://www.youtube.com/watch?v=w-dk1NpVNNI

I still wonder how come the flying wing hasn't taken the scene yet.

I think there is an answer. Something hasn't been discovered yet.

It must relate to stability at different flight patterns.

CubersWrist
09-27-2018, 04:43 AM
FPVWRA (wing racing association) is all wings. I raced in Spec class this year and it was a lot of fun at 70mph. The Sport class gets up to 120mph. I think the wings are used because the foam is really easy to cut and build and it's easy to put the prop in the back so the propeller doesn't puncture the inflatable pylons.

I did talk to one of the guys spearheading the BSLD (bell shaped lift distribution) for wings and he said there are very particular conditions where wings are better than standard aircraft, and he didn't think racing was one.

Jukka
09-27-2018, 08:40 AM
FPVWRA (wing racing association) is all wings. I raced in Spec class this year and it was a lot of fun at 70mph. The Sport class gets up to 120mph. I think the wings are used because the foam is really easy to cut and build and it's easy to put the prop in the back so the propeller doesn't puncture the inflatable pylons.

I did talk to one of the guys spearheading the BSLD (bell shaped lift distribution) for wings and he said there are very particular conditions where wings are better than standard aircraft, and he didn't think racing was one.


Looks interesting; https://www.youtube.com/watch?v=bq41na-yhsE

Jukka
09-27-2018, 09:32 AM
How about this...420 km/h on electric.

https://www.youtube.com/watch?v=IQlnZkxKEmU

Jukka
09-30-2018, 12:33 AM
Delta wing is clean.

Here Avro Vulcan B1: https://www.youtube.com/watch?v=nTEvT-SV6Y0

Here B2:https://www.youtube.com/watch?v=UkWO5zVPz4g

Jukka
09-30-2018, 12:40 AM
Sorry C2 and original in films; https://upload.wikimedia.org/wikipedia/commons/b/b3/Comparison_of_Vulcan_Planforms.jpg

Jukka
09-30-2018, 11:26 PM
deleted...wrong link

cheapskater
10-01-2018, 07:26 AM
Even better idea. Bring in the flying cars. Get the billionaires and their pet flying car projects to come out and race their fantasies around the formula one course. Bring out the Ehang, the Cora, the Blackfly and prove that these things can fly together in a crowded airspace LOL. Allow electric and electric with generator flying carpets to do a vertical takeoff and fly the course a couple of times and land in a designated landing zone to represent a flying car parking space. I would definitely pay to see this. Get some of them to put up prize money like they did in the old days of early flight.

Colbourne
10-01-2018, 09:11 PM
Even better idea. Bring in the flying cars. Get the billionaires and their pet flying car projects to come out and race their fantasies around the formula one course. Bring out the Ehang, the Cora, the Blackfly and prove that these things can fly together in a crowded airspace LOL. Allow electric and electric with generator flying carpets to do a vertical takeoff and fly the course a couple of times and land in a designated landing zone to represent a flying car parking space. I would definitely pay to see this. Get some of them to put up prize money like they did in the old days of early flight.

They should have a section after they have landed where they have to drive 20 miles ( I think it would be dangerous the other way round as a rushed assembly might cause a crash), so the result will show both their flight ability plus on road capability and how quick they can transform. The whole aircraft has to reach the finish line ie nothing can be left behind.

Jukka
10-01-2018, 09:12 PM
Even better idea. Bring in the flying cars. Get the billionaires and their pet flying car projects to come out and race their fantasies around the formula one course. Bring out the Ehang, the Cora, the Blackfly and prove that these things can fly together in a crowded airspace LOL. Allow electric and electric with generator flying carpets to do a vertical takeoff and fly the course a couple of times and land in a designated landing zone to represent a flying car parking space. I would definitely pay to see this. Get some of them to put up prize money like they did in the old days of early flight.


Frankly I don't believe in flying cars. I think they are an oxymoron.

OTOH I think we could have switched into really effective electric flying about a decade ago.

Colbourne
10-02-2018, 12:53 AM
Frankly I don't believe in flying cars. I think they are an oxymoron.

OTOH I think we could have switched into really effective electric flying about a decade ago.

There is some need for flying cars when visiting small unmanned airstrips where getting a taxi is impossible. You might have to drive into town to meet customers, buy petrol for your aircraft or to find food and accommodation. It is also nice to keep the vehicle at home ,so you dont have to pay hangarage and parking fees after having driven to the airfield.
If used as transport you probably want the car to fly at a high speed (otherwise you might as well drive) but it has the advantage, crossing mountains, lakes, sea's and rivers where there are no roads.

This flying car using a parachute travelled from London to Timbuktu in Africa

http://news.bbc.co.uk/2/hi/africa/7821979.stm

Jukka
10-02-2018, 01:01 AM
There is some need for flying cars when visiting small unmanned airstrips where getting a taxi is impossible. You might have to drive into town to meet customers, buy petrol for your aircraft or to find food and accommodation. It is also nice to keep the vehicle at home ,so you dont have to pay hangarage and parking fees after having driven to the airfield.
If used as transport you probably want the car to fly at a high speed (otherwise you might as well drive) but it has the advantage, crossing mountains, lakes, sea's and rivers where there are no roads.

This flying car using a parachute travelled from London to Timbuktu in Africa

http://news.bbc.co.uk/2/hi/africa/7821979.stm

Obviously you have very good points.

https://www.youtube.com/watch?v=DCwuMUeR5VM

I don't see how you leave with 20 m spanning paraglider from your garage to work.

Colbourne
10-02-2018, 06:18 AM
Obviously you have very good points.

https://www.youtube.com/watch?v=DCwuMUeR5VM

I don't see how you leave with 20 m spanning paraglider from your garage to work.

In Australia it is quite common to take off and land on roads in country areas. I cant see this happening in the standard suburb , but there is a growing number of flight parks in the USA and Australia (and I presume else where) where people live around a runway.
I always try to go to the flying car talks at Oshkosh (its where you find the real nutters), but then I thought that about the private manned space craft workshops (and now they are probably going to Mars within the next ten years).
There will need to be a range of flying cars as everyone has their own needs. Most needs can be met by a helicopter and a taxi. To travel faster than this would require more than a car with a rotor or a parachute. I expect most people would be happy with an aircraft that can carry a light car for the final part of the journey, keeping the cost to a minimum is the difficulty.
23860

Jukka
10-02-2018, 09:12 AM
In Australia it is quite common to take off and land on roads in country areas. I cant see this happening in the standard suburb , but there is a growing number of flight parks in the USA and Australia (and I presume else where) where people live around a runway.
I always try to go to the flying car talks at Oshkosh (its where you find the real nutters), but then I thought that about the private manned space craft workshops (and now they are probably going to Mars within the next ten years).
There will need to be a range of flying cars as everyone has their own needs. Most needs can be met by a helicopter and a taxi. To travel faster than this would require more than a car with a rotor or a parachute. I expect most people would be happy with an aircraft that can carry a light car for the final part of the journey, keeping the cost to a minimum is the difficulty.
23860

I agree the cost...and need for such a vehicle.

IMHO the carrier borne fighters could show the way...folding wintips....and a three wheeler carlike short ( stubby ? ) aeroplane might just go 50-60 km/h in a road mode....and able to take off and land.

Maybe a PART 103 like superlight aeroplane could also move in the streets handily...but the power/thrust has to be prop...like in a switch blade...or does it use car transmission ? There comes the cost.

I had a radio controlled car that utilized propellor for thrust. There has to be a cover so that no one accidently gets decapitated.

Jukka
10-02-2018, 09:21 AM
For some reason these don't advance in sales; https://www.youtube.com/watch?v=CHHX_L4mUB4

Race5
10-02-2018, 09:26 AM
Airplanes make terrible cars, cars make terrible airplanes. I still don't understand why people still think flying cars are even remotely a good idea.

cheapskater
10-02-2018, 01:46 PM
OK, so don't call them flying cars, actually only a couple of the ones that are flying now actually have a road capability. Flying thingys is more like it, battery powered, VTOL, man carrying drones or whatever, they are testing them as taxis in New Zealand and China where as usual they are way ahead of us. Check out the Kittyhawk Cora or the Ehang 184 on you tube. Air racing used to be about the cutting edge, maybe it should be again. These things are smaller than a helicopter and can be flown autonomously or ground controlled.

Jukka
10-03-2018, 12:35 AM
Airplanes make terrible cars, cars make terrible airplanes. I still don't understand why people still think flying cars are even remotely a good idea.


I would hate to think that some people actually live in a pseudo reality...which is made on pure sci-fi without a touch of reality.

In that atmosphrere it would be easy sell "flying cars" etc ???

Colbourne
10-03-2018, 03:34 AM
I would hate to think that some people actually live in a pseudo reality...which is made on pure sci-fi without a touch of reality.

In that atmosphere it would be easy sell "flying cars" etc ???

If all you need is your plane to be able to drive, with the prop. stationary (for safety) a short distance, I see no problem.
In the coming years hybrid aircraft with maybe a gas turbine or ic engine powering the props by electric motors might make sense. If you have that it is no difficulty to have small electric motors powering the wheels. Folding wings will make this vehicle more suitable for use with other traffic. Even without the aircraft being a hybrid , it should be possible to have a battery for a short road trip.
I dont see this being used in cities but in small rural towns it makes a lot of sense. It even makes sense on a large airport getting from your distant hanger to the runway as quickly and safely as possible when pedestrians are a real possibility.

Jukka
10-03-2018, 05:39 AM
I would go after a flying motorcycle rather than a flying car. Energy density of a battery is just 1/40 of gasoline.

cheapskater
10-03-2018, 07:09 AM
I worked for one of the sillycon valley flying things companies and at the time I thought that they were way short on energy density for their storage systems (batteries). IN the last year at least 4 flying thingys have flown with pilots and in at least one case-a passenger. The future of air racing is not about how many museum pieces can make it to Reno, the future is about radical new ideas proving themselves on a race course with other flying thingys.
https://www.youtube.com/watch?v=Mr1V-r2YxME.

CubersWrist
10-03-2018, 07:09 AM
I'd be scared to drive my "flying car/thingy" on the road. Have you seen how people drive these days? One bad driver is all it takes and now you've lost both your car and your airplane.

Colbourne
10-03-2018, 09:11 PM
I'd be scared to drive my "flying car/thingy" on the road. Have you seen how people drive these days? One bad driver is all it takes and now you've lost both your car and your airplane.

I agree with you that trying to join the morning commute on city roads would be asking for trouble. Ideally you would land vertically at the heliport on top of your workplace. If your craft is not VTOL you would land at the nearest runway and catch a taxi or bus if the journey is more than a couple of miles in an open country area. The flying car is best for the first part of the trip when you drive from your house to the nearest place safe to takeoff.

Jukka
10-03-2018, 10:15 PM
I agree with you that trying to join the morning commute on city roads would be asking for trouble. Ideally you would land vertically at the heliport on top of your workplace. If your craft is not VTOL you would land at the nearest runway and catch a taxi or bus if the journey is more than a couple of miles in an open country area. The flying car is best for the first part of the trip when you drive from your house to the nearest place safe to takeoff.

I figure the infrastructure would have to allow landing spots on roofs if the "flying VTOL car" becomes mainstay.

Jukka
10-04-2018, 02:43 AM
If you wanna go electric you ought to concentrate on this:

https://en.wikipedia.org/wiki/Curtiss_JN-4

Jenny 2 hr range and 60 mph speed is very doable with electric today.

Jenny engine weighed 177 kg and produced 90 hp...but weighed ( the whole contraption ) 630 kg.

You can get 90 hp power outa 15 kg electric engine.

You only need 40 hp to get two outa ground.

Jukka
10-04-2018, 09:43 PM
Peter is an inspiration to us all.

https://www.youtube.com/watch?v=uFTnbrG09Vc

Colbourne
10-04-2018, 10:21 PM
Peter is an inspiration to us all.

https://www.youtube.com/watch?v=uFTnbrG09Vc
Electric racing planes do not need to be slow. Over a short race they should be able to be above 400mph and may soon give the unlimiteds a run for the money. Range is obviously the problem at the moment, so after a few laps they will be stuffed.

Jukka
10-05-2018, 01:29 AM
That is correct. Peter is flying legally with a Part 103 craft.

Jukka
10-06-2018, 02:55 AM
Wonder what these EDFs could do in a superlight electric Avro Vulcan like homebuilt ?

https://www.youtube.com/watch?v=8hTBQViJe4I

This is the biggest EDF; https://www.youtube.com/watch?v=icK056p58r4

SpinB
10-06-2018, 04:34 PM
This thread is greener than Shreck and further left than Pelo-stein!
Burn the precious, irreplaceable fossil fuels already!

Just say no to WOOsH!

Jukka
10-06-2018, 05:24 PM
Our planet used to be green too !

Bob
10-07-2018, 07:58 AM
This is a politic free zone!

Jukka
10-07-2018, 08:22 AM
This is a politic free zone!

Exactly Bob !

Labelling electric flying a political matter is against everything an aviator keeps sacred.

Jukka
10-17-2018, 10:55 AM
https://static-sls.smf.aws.sanomacloud.net/tiede.fi/s3fs-public/styles/medium_main_image_no_upscale/public/discussion_comment_image/supa_fnx14z.jpg?NOAO2UtgKq50asuHnt4oUuQ3hApuoHgh&itok=HNQmh0PH

Test !:cool:

Above is a sketch of an aeroplane that produces today 6 x more power from the sun than Solar Challenger in 1981...with identical span and Solar Impulse wing loading.

Jukka
10-17-2018, 09:16 PM
Not all flying wings are safe and stable; https://www.atsb.gov.au/publications/investigation_reports/1989/aair/aair198902600/

I figure the above displayed plane can cross the Atlantic via Azores to New Foundland from Portugal ( 1500 km and 2800 km legs daytime at very high speed at high ).

Jukka
10-19-2018, 04:16 AM
For inspiration...the Al Bowers Mars wing; https://www.youtube.com/watch?v=Ma19RS0rGbU

Jukka
10-21-2018, 09:42 PM
Here are some concrete figures about a flying wing. Jim Marske's Pioneer 4.

L/D 48:1: http://www.kollmanwings.com/Pioneer_4.html

It is around 6% more efficient than a regular ( 15M ) similar sized glider.

Jukka
10-26-2018, 05:51 AM
Space expert von Braun also had a M13 mover flying wing design; http://www.astronautix.com/v/vonbraunlandingboat.html

Wing area is 2810 m2. Wing loading 7 x more than in Solar Impulse II at 71 kg/m2.

Possibly the biggest aeroplane ever even considered ( in span ).

http://www.astronautix.com/graphics/m/mars52ld.jpg

Jukka
10-26-2018, 06:29 AM
https://www.nasa.gov/sites/default/files/boeing_avc_2441x1742.jpg

NASAs 2025 vision is also blended wing ( close to a flying wing ).

https://www.nasa.gov/topics/aeronautics/features/flight_2025.html

Jukka
10-27-2018, 10:23 PM
Safety aeroplane fanatic Vincent Burnelli had also a flying wing design; http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.493.7125&rep=rep1&type=pdf

Bob
10-28-2018, 07:32 AM
Are you Juke reincarnated?

AAFO_WSagar
10-28-2018, 04:38 PM
***moved to more appropriate forum by admin**

Jukka
10-29-2018, 04:14 AM
Are you Juke reincarnated?

Yes I am Bob !

Heres my old page; http://max3fan.blogspot.com/

My old handle "Juke" became somehow corrupted !?

AAFO_WSagar
10-29-2018, 11:19 AM
Well Juke, good to hear from you... however.. I should be mad at you for spoofing your way back in! It breaks all the rules that I've set in place so that we can know who the heck we're dealing with on this board..

With that said.. I'm going to change your username to a more accurate one, you'll need to read what it is so you can login again.. annnnd… .you're going to be on probation! All of your dreamer posts will be posted in the proper forum from the start or... I'll nuke your membership once again.

Although, some of us find your fascination with thinking of new ways to do the same thing makes you a dreamer and dreamers are what has made this world what it is today, some of the forum members find it extremely annoying whey you wind up hijacking threads with dreamer questions...

Anyway... just tread lightly, start signing your name to your posts, and I will welcome you back with open arms because I find you entertaining.... sometimes!!

OK??

AAFO_WSagar
10-29-2018, 11:22 AM
Well, I thought that it would show in previous posts, JUKE is your new username....

Jukka
10-29-2018, 12:39 PM
Well Juke, good to hear from you... however.. I should be mad at you for spoofing your way back in! It breaks all the rules that I've set in place so that we can know who the heck we're dealing with on this board..

With that said.. I'm going to change your username to a more accurate one, you'll need to read what it is so you can login again.. annnnd… .you're going to be on probation! All of your dreamer posts will be posted in the proper forum from the start or... I'll nuke your membership once again.

Although, some of us find your fascination with thinking of new ways to do the same thing makes you a dreamer and dreamers are what has made this world what it is today, some of the forum members find it extremely annoying whey you wind up hijacking threads with dreamer questions...

Anyway... just tread lightly, start signing your name to your posts, and I will welcome you back with open arms because I find you entertaining.... sometimes!!

OK??

Ok Wayne !

I have in the meanwhile actually contructed two wind turbines.

rgds,

Juke

Jukka
11-03-2018, 01:27 AM
Let's loosen up the atmosphere a bit.

Here is a classic finnish spagetti western movie ( last scenes ): https://www.youtube.com/watch?v=x_W8kiMGh-8
Speedy Gonzales !

LOX refers to my space ship concept fuel component; https://www.youtube.com/watch?v=PV6NDTbJB3A

Jukka
11-08-2018, 02:57 AM
Here Jackson Edwards ( Moscow, ID ) builds and test flies an electric Belite; https://www.youtube.com/watch?v=pyBbXtBnoIQ

Not quite supersonic, but interesting.

http://www.homebuiltairplanes.com/forums/showthread.php?t=28085

200 mph reached; https://www.youtube.com/watch?v=abtj87wAX0Q&pbjreload=10

Jukka
11-08-2018, 03:00 PM
http://www.twitt.org/BLUMENTHAL.htm#JERRYDREAMS

http://www.twitt.org/BullsEyeVar.jpg

Jerry Blumenthal design in the 90ies !

Electrify that somehow and you have an efficient flying machine (some engineering may have to be added).