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Model ID help please

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kevin b29/05/2017 10:52:36
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1664 forum posts
134 photos

I am currently (no pun intended) helping convert an old biplane to electric power. Can anybody help us to identify it please. We know it was a kit, but that is about all. Originally it had a 60 at the front, but we have lengthened the nose by 12mm and changed its shape.

We are hoping that the cabane construction and tailwheel design might help.

Thanks. Kevin.

les (1).jpg

les (2).jpg

les (3).jpg

Alistair Taylor29/05/2017 20:07:21
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597 forum posts
11 photos

Hi Kevin

It's got a bit of the Precedent Bi-Fly about it. That also had a stringered rear deck, and two point fixing for the wing, although the cabane struts were different. It used a wire framework instead of ali frame.

Bi-Fly's have a reputation for being robustly built, so fitting a 60 to a Bi-Fly 40 would not be unusual I would suggest. I've never owned or flown one so I'm only reporting what others have said.

Do you have the wings still? How long is it?

 

AlistairT

Edited By Alistair Taylor on 29/05/2017 20:18:37

Denis Watkins29/05/2017 20:15:57
3879 forum posts
60 photos

Yes Alistair, that's my vote, those are Precedent fittings on the tailwheel

John Laird29/05/2017 20:16:35
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427 forum posts
46 photos

It looks like a david boddington bistormer with the cabane redesigned - the bistormer was 72" span and i think was for a 60 2 stroke. I flew mine on a 60 2 stroke Merco which was a bit sedate when it came to aerobatics.

john

Edited By John Laird on 29/05/2017 20:17:44

Edited By John Laird on 29/05/2017 20:18:08

Percy Verance29/05/2017 20:32:52
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8108 forum posts
155 photos

I don't think the rear fuselage is long enough for a Bi-Stormer John, plus the tail-plane has squared off tips. The Bi-Stormer retained the original Barnstormer rounded tipped tail-plane. Also, the rear fuselage on the Barn/Bi-Stormer is lower, having a rounded headrest fairing structure immediately behind the cockpit. I think ultmately there were several sizes of Bi-Stormer, along with a later re-design by Phil Kent.

I've seen that type of cabane structure before, and I'm now racking my grey matter......

 

 

 

Edited By Percy Verance on 29/05/2017 20:45:13

kevin b29/05/2017 21:03:58
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1664 forum posts
134 photos

Hi Alistair.

Wings are arriving during this week. Overall length was approx. 43.5 ins. Too big for a BiFly. Another unusual thing is that the undercarriage comprises of 3 wires. It is built very sturdy, which makes me think it is quite old.

It isn't important to know what it was, but it might help us in sorting out the C of G as the wings have a reasonable stagger.

Thanks very much for your input.

kevin b29/05/2017 21:15:39
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1664 forum posts
134 photos

The construction and materials are very much like a typical Precedent kit (I've had a couple) and must admit I thought it was one at first. Not knowing their full range of kits (too young !) I can't say for certain if it is one or not.

It doesn't look anything like any DB plan I have ever seen either.

When the wings arrive I will post another photo.

Edited By kevin b on 29/05/2017 21:16:19

Percy Verance29/05/2017 22:06:04
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8108 forum posts
155 photos

That cabane structure, along with some other parts of the model looks like the old 70's Jim Worden Acrobits.........

Percy Verance29/05/2017 22:08:31
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8108 forum posts
155 photos

Scrub that, I'm wrong....... It certainly isn't an Acrobits.

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