Classic cars forum & vehicle restoration.

[Reg Shaw]

[split from the Austin 8 post]

Hi folks, I'm so pleased to have found this forum, cars and aviation all in one place! Up till a few months ago, I made, designed and restored flying models for a living but I then had a change of mind and got a proper job since I wanted my workshop back for my own projects again.

Here hopefully is a pic of the the latest model, a Handley Page HP42 1930's airliner. Anyhoo, lots to see on here so I'm off to waste my evening!!

Cheers, Ian.

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[Rick]

Welcome aboard, the Austin's great and the HP42 is superb

rgds, Rick
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[Rick]

Any photos of others you've built??

RJ
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[peter scott]

What a fabulous model! What size or scale is it?

Peter
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1939 SS Jaguar 2 1/2 litre saloon

[Reg Shaw]

Thanks folks, the model is only to 1/8th scale, but the real one was enormous at about 130 ft span. The model spans 16' 6" and weighs in at about 80lb. I've got some more pics of it and some video if anyone wants boring!! I have a few more model subjects too so could start other threads or keep them all in here if the title was changed?

Cheers, Ian.

[Rick]

Would be great to see some of the others, just add them to this thread seems tidiest to me

RJ
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[Reg Shaw]

Here's a few more pics and a vid of the Handley Page. The vid was taken at the same meeting as the large Vulcan posted here already, a very windy day, gusting about 30mph, slightly beyond the ideal limits for the HP42 really, as can be seen by the way the 80lb lump is blown about! The photo's were taken by Neil Hutchinson, he really knows how to wield a camera!!

http://www.youtube.com/watch?v=LWmqYCc7fok&list=UUmFaiuRn3dMFLqRYrtPKMTA&index=2

[Rick]

It's fantastic seeing these large scale models in action.

I'd not checked out the Vulcan at Woodford vids before either, magnificent also

RJ
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[clan chieftain]

Welcome to the forum. The details on the models are fantastic........Larry.
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[JC T ONE]

Hi & welcome inhere

Thats one nice plane

I remember when I was a kid, we use to go, and watch the local remote controlled airplane club. They used a field close to us.

this was back in the 70ies, and there were no safety at all.

Sometimes the planes crashed next to people watching.

We didnt mind, we were there next sunday to watch again
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[Roger-hatchy]

Very nice and Welcome Ian

Any specs. on Helena, what engines? are they two or four stroke? how many channels?

Not done any modelling myself for a few years now, used to build control line in the 1960's.
But moved over to Boats, scale and own design competition in the mid 1970's.

Roger

[Greg]

Superb looking Aircraft, it does look very authentic.
Could easily say it was the real full-size machine!
Beautiful!

[Reg Shaw]

Thanks for the nice comments folks, much appreciated. The engines in Helena are single cylinder petrol engines, 22cc each. As the model is over the magical 20kg UK limit it needs inspecting throughout its design and construction stages, when passed off as a structurally sound airframe it then has to fly in front of the inspectors for at least 6 flights, which must total an hour or more. In these six flights, the model has to perform any manouvres that it would be expected to perform in its life, all logged and sent off to the CAA.
These flights are a test for both the airframe and the pilot, to ensure safe operation is possible when the inspectors aren't present and when the model displays in public. Once the flight test log is signed off by the CAA, they send an 'Display Permit' valid for 3 years if the specification and model remain unchanged.
The 'over 20kg' scheme insists on radio redundancy on the main controls. In effect, this is two radio recievers and battery back ups, plus split control surfaces. For example, an elevator would be two separate surfaces, electrically and mechanically etc so that for whatever reason, the model could retain some control to enable it to be safely 'landed' ie crashed in a safe area away from person and property. In Helena's case, there is simply two sets of radio gear in the model. One receiver works the left aileron, top elevator and the top pair of throttles, plus the rudders and chokes for the bottom throttles. The other receiever works right aileron, bottom elevator, bottom throttles and the top chokes, plus the Handley Page leading edge slats on the top wings. The reason fro the 'crossed' functions on throttle and choke is to enable control of engines, ie. stopping them if one radio reciever fails for whatever reason. There is also a failsafe system built into the radio set up, so that if the Transmitter fails, receiver reception fails, the throttles are brought back to tickover and the rest of the controls sent to a pre set, normally central. This is so that the model, whatever it was doing at the time, will slow down and take a 'predictable' flight path. The reason the propellors aren't stopped is two fold. An aeroplane will descend slower in a steep dive with the motors on tickover due to prop braking effects. The other reason is that if you get radio control back, you don't have to deal with an 80lb inefficient glider!!

Ian.

[Roger-hatchy]

Thanks for that Ian

I remember about the CAA certificate for large heavy models, small aircraft , but was not aware about the duel control set up.

Very interesting thank you.

I must try and get to one of the large scale meets one day.

Old Warden is only about 2 to 3 hours from here, I believe they have a few great scale days.

Roger

[Reg Shaw]