Extreme Speed Prop Planes Discuss the need for speed with fast prop planes (Screamin Demon, Diamond Dust, Shrikes or any REAL sound breakin'''' plane)

Sig Wonder Gms.40 Piped

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Old 10-29-2005, 03:58 AM
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bridiXLT
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Default Sig Wonder Gms.40 Piped

I Just Got A Sig Wonder Yesterday And I Dont Got A Small Engine.... Can I put my High Performance .40 piped on it???? With a 9x8apc prop?

I have Hear Tale Of People Using Os.40la's On them

Or Should I just Buy A Picco .21RE Engine Piped?

Any Help Would Be Great

Thanks

here is a pic of the plane and the engine
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Old 10-29-2005, 03:54 PM
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Strykaas
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Default RE: Sig Wonder Gms.40 Piped

hehehe you're crazy man !! Mine has a .15LA only... and already quick, but not fast...
cg could be a pb
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Old 10-29-2005, 07:40 PM
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Mike Connor
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Default RE: Sig Wonder Gms.40 Piped


ORIGINAL: bridiXLT

I Just Got A Sig Wonder Yesterday And I Dont Got A Small Engine.... Can I put my High Performance .40 piped on it???? With a 9x8apc prop?
Jeremy AKA LGM Graphix put a racing 40 on one awhile back. Maybe he will chime in. It seems many mods were needed to make it hold together and also to balance. I like to over power everything but a 40 is a little much on this plane IMO.
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Old 10-29-2005, 07:46 PM
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BradSD
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Default RE: Sig Wonder Gms.40 Piped

A good .25 is a great match and you still have to put everything as far back as possible. A .40 I guess could be done but I doubt it would last very long. I would like to see it done but leave me out LOL. I just finished a Wonder only a few weeks ago. Nice little plane. I used .25 TT and hitec 555 flight pack. Can be seen in my Hangar.
Later,
Brad
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Old 10-29-2005, 10:22 PM
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bridiXLT
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Default RE: Sig Wonder Gms.40 Piped

Yeah I was Just Wondering If It Could Be Done lol That Gms.40 I got Swings 9x8 Apc Prop 15,800 rpm on 15% fuel Been Tached

Ijust Did A trde this evening and i got a topflight spitfire done to the ***'s excuse my french!

also got an os max .30 will that work ? here is a pick of the engine and a shot of the spitfire i got
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Old 10-30-2005, 04:13 AM
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Strykaas
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Default RE: Sig Wonder Gms.40 Piped

os max .30
A collectable [X(] !!
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Old 10-30-2005, 04:38 AM
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Default RE: Sig Wonder Gms.40 Piped

humm so ya say its old eh?
its in really good shape piston looks clean engine is a bit gunky and its got tons of compression
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Old 10-30-2005, 06:55 PM
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Default RE: Sig Wonder Gms.40 Piped

ORIGINAL: Mike Connor


ORIGINAL: bridiXLT

I Just Got A Sig Wonder Yesterday And I Dont Got A Small Engine.... Can I put my High Performance .40 piped on it???? With a 9x8apc prop?
Jeremy AKA LGM Graphix put a racing 40 on one awhile back. Maybe he will chime in. It seems many mods were needed to make it hold together and also to balance. I like to over power everything but a 40 is a little much on this plane IMO.
I believe Jeremy is away on business for a couple of days. Racing engine on a Sig Wonder ? Heck, I think Jeremy would put a Nelson on a Sig Kadet if he thought he could get some speed out of it.[X(]
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Old 10-30-2005, 08:53 PM
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Default RE: Sig Wonder Gms.40 Piped

A .25 will be more than enough
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Old 10-30-2005, 09:03 PM
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Default RE: Sig Wonder Gms.40 Piped


Only have an os .10la on mine and its pretty hot[X(].
U build it and get it flying, I want PICTURES!
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Old 10-30-2005, 11:56 PM
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bridiXLT
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Default RE: Sig Wonder Gms.40 Piped

yep i am going to use the OS.30 max Stock on 10% fuel

ill get photos and a few vids as well if my camera man is fast enough
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Old 11-02-2005, 11:06 PM
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Default RE: Sig Wonder Gms.40 Piped

Hey, yeah, I had a nelson F1 on a wonder. Mods required were (as my memory serves)
Solid carbon spars in place of the 1/4" ones. Fully sheeted, I thinned the airfoil down to I believe 10 or 11% (not sure anymore)
4 bolt wing mount instead of dowels (later learned I should have made the fuse stronger in the hatch area as that's where the fuse broke when the wing came off. I also cowled as much of the engine as possible without adding a verticle cowl, I believe I made the nose a little bigger as well but I can't remember.
Anyway, I didn't have any issues with flutter or anything on the tail, I thought I might but it was ok, just didn't make the wing mount strong enough :P
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