What do you think about "e-soaring"?

[henryk]

hybrid propulsion.... interesting

Гибридная силовая установка для категории 115кг (или мотопланера)

Могу изготовить гибридную силовую установку состоящую из имеющихся у меня компонентов собственного производства бензинового 2-тактного инжекторного ДВС весом 4.5 кг + электрического стартер генератора весом 2.5кг + блока управления массой 1.5кг + возможно редуктора и др. Пока это грубая...

reaa.ru

=russian variant...

Motor-Generator =Стартер-Генератор

 

[blane.c]

Small hybrid propulsion.... interesting

Vtwin – Aeromarine-LSA

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So am I to understand that the motor section will produce 40KW of power from a battery source in addition to the 40KW of the engine for a total of 80KW?

 

[John.Roo]

So am I to understand that the motor section will produce 40KW of power from a battery source in addition to the 40KW of the engine for a total of 80KW?

That is what they say... however I am not sure if is possible to just simply sum power of both propulsions.

 

[blane.c]

That is a lot of power out the nose of that electric motor, maybe it is 40kw battery or engine?

 

[henryk]

That is what they say... however I am not sure if is possible to just simply sum power of both propulsions.

=problems with ICE/Electric Motor synchronisation...?

BTW= high RPM motor is lighter and cheaper as low RPM s...

 

[blane.c]

So does the engine turn the opposite direction of the motor, That would turn up the rpms past the stators without turning up the rpm of the propeller?

 

[John.Roo]

Sorry - I don´t know details of that type of propulsion.
My friend told me about this idea and I just found photos and basic description on Internet. Seems that wil be used on Merlin (small metal UL one seater produced 100 km from my home) so I can try to ask for more info.

 

[John.Roo]

One circuit with elecric Phoenix.
During traning day would be possible to make 10 circuits like this, than debriefing (+battery recharge) and another 10 circuits etc....

Old footage but still nice... I love ridge soaring with Phoenix in France

 

[henryk]

possible to make 10 circuits like this,

=active/passive motor=only gliderlike noise !?

-take off/landing flaps "not in work"?

 

[henryk]

Motor-Generator

Гибридная силовая установка для категории 115кг (или мотопланера)

Могу изготовить гибридную силовую установку состоящую из имеющихся у меня компонентов собственного производства бензинового 2-тактного инжекторного ДВС весом 4.5 кг + электрического стартер генератора весом 2.5кг + блока управления массой 1.5кг + возможно редуктора и др. Пока это грубая...

reaa.ru

=high RPM Motor =Starter/Generator...

 

[John.Roo]

=active/passive motor=only gliderlike noise !?

-take off/landing flaps "not in work"?

Phoenix has flaperons
I use:
10° setting for landing
5° for takeoff
0° till speed 160 km/h and
-4° for cruise (typically between 180-220 km/h)

I should record noise from cockpit.
Outside recording is too much affected by air flow arround GoPro.

 

[henryk]

I should record noise from cockpit.

=dB =? Electro/ R912 ...

 

[John.Roo]

=dB =? Electro/ R912 ...

Not measured exactly. But during takeoff with the same prop at same RPM makes the same noise.
However during e-flight you can reduce rpm, increase prop blades angle and than is difference really signifficant.

 

[henryk]

But during takeoff with the same prop at same RPM makes the same noise.

=propellers generate the same noise,
motors + reductor=some difference (larks sing !)

 

[John.Roo]

=propellers generate the same noise,
motors + reductor=some difference (larks sing !)

Yes, low RPM = low noise.
If you have high rpm motor than is reductor good and simple solution.

 

[John.Roo]

Another interesting single seat small motorglider project from Poland.

Aero Design

A Template by RocknRolla Designs

www.aero-design.eu

 

[henryk]

single seat small motorglider

< 300 kg...heavy ?

-the long and old story.

BTW= 55 kg + 40 kg BKB-1 wings (in FREEWING mode, no elerones
and flaps...)

 

[blane.c]

So this lends itself to the glider concept?

Amphibious electric aircraft prototype achieves flight out of ground effect

Equator Aircraft's P2 Xcursion prototype electric amphibious aircraft has taken fully to the air for the first time in the skies over Eggemoen Technology Park in Norway. The two-seater, composite-hulled airplane operated by test pilot Eskil Amdal had previously flown at a low-altitude,…

newatlas.com

Rutan Seagull is glider and had two additional motors in design (not in build) they were electric.

 

[John.Roo]

So this lends itself to the glider concept?

Amphibious electric aircraft prototype achieves flight out of ground effect

Equator Aircraft's P2 Xcursion prototype electric amphibious aircraft has taken fully to the air for the first time in the skies over Eggemoen Technology Park in Norway. The two-seater, composite-hulled airplane operated by test pilot Eskil Amdal had previously flown at a low-altitude,…

newatlas.com

Rutan Seagull is glider and had two additional motors in design (not in build) they were electric.

Hello!
Rutan Skigull has glider wing so makes sense to use also electric propulsion. However even Rutan started with IC engine.
Equator is really big amphibian airplane (I was looking at it on AERO) so I beleive it need much more energy to fly in compare with Skigull. Will be interesting to watch this project to see performance with actual generation of batteries. I know they want to use IC engine as generator, however is a question what efficiency they will achieve. It is not easy to make good electric airplane. To make good electric amphibian airplane is a real challenge

 

[Speedboat100]

< 300 kg...heavy ?

-the long and old story.

BTW= 55 kg + 40 kg BKB-1 wings (in FREEWING mode, no elerones
and flaps...)

Which Janowski is on the cover....and weight ?