Aircraft Trivia Quiz

OK - what’s the link between this:

and this:

? [:)]

Cheers,

Chris.

Both were built by Boeing?

Cheers, Richie

No, that cannot be, the giant helicopter is the Huges XH-17, not a boeing. It might have used some parts of the B-29 though, because is used all sorts of different aircrafts parts.

My guess would be that it used the B-29 main gear (altough some sources say it was a C-54 gear)

Rem, I think your on to something there. Good luck!

Cheers, Richie

Did use some B-29 parts - not the main gear, though - those did, indeed, come from a C-54.

Bonus questioin - if the XH-17 had been put into production, what major factor would have limitied its tactical usefulness?

Cheers,

Chris.

It’s height off the ground would have severely limited its usefulness I would say.

Cheers, Richie

I think I have found it, the XH-17 had borrowed a fuel cel from the B-29

The range of the XH-17 was very short because, less then 100 km, because of the gas guzzeling rotor-tip jets. That was a servere limitation.

That’s the one - B-29 fuel cell! Well done, Rem!

It wasn’t so much the height of the thing that would have been a problem - after all, many crane helicopters (CH-54, Mil-10R Harke) are long-legged, so that payloads can be driven beneath them. This was particulalry important in early aerial cranes, which had very poor fuel economy, and needed to have the load hooked on before the engines were fired up.

And yes, you’re right about the range - one smallish fuel tank and two very powerful (by late 1940s standards) turbojets acting as gas generators for a max. range (that’s range, not tactical radius) of 40 miles!

Your turn, Rem!

Cheers,

Chris.

My turn? oh dear…

OK, the XH-17 had rotor jets. What other helicopter with rotor jets whent into production and was used in the United Kingdom, Germany, Israel, the Netherlands and …New Guinea?

Is it the Sud-Ouest Djiin?

After World War II, the French company Sud-Ouest produced the small Djinn helicopter for the French Army

In 1953, Sud-Ouest produced the small Djinn helicopter for the French Army. It was developed from the Ariel models and was one of the first successes of the French aeronautical industry, with 178 units built for 10 countries. The aircraft had no electrics and the engine was started by hand with a large starting handle that stuck out of the starboard side.

The jet engine provides bleed air which is ducted thru the rotor to the tips. No torque, no tail rotor.

Cheers, Richie

No, sorry, I’ll give a few hints, the one I am looking for was build in much smaller numbers and had RAM jets on the tips.

Also, it’s primary cargo was to be the latest American battle tank… A bit on the heavy side!

Try to imagine what it would sound like at take off! Doppler effect on the gas turbines whirring like they did… Probably quite unnerving! [|)]

OMG. I know that one. It’s lost somewhere in my brain though! Ow! It hurts to think today.

I think I know! It’s the Hiller HOE-1.

I grew up right around the corner from the plant.

You rock! That’s it.

We’ll see. It looks a lot like the GI Joe helicopter, without a tail rotor!

No, sorry, that’s not the one, the Hiller HOE-1 was only delivered to the US army. As I said the helicopter I am looking for was delivered (to civil costumers) in the UK, Germany, Netherlands and Israel.

The Hiller HOE-1 and the helicopter I am looking for work on the same princials of the RAM jet rotor tip, there are a lot of commonalities like size and layout.

As een extra hint, I am looking for a heli made on continental Europe.

Oh well in that case it’s the NHI H-3.

Israeli cropduster only, they got better service from their AH-1s.

That’s the correct anwser. the NHI H-3 Kolibri.

The floor is your’s Bondoman