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Old May 17, 2005, 01:30 PM
Hooper, full throttle!
Tommy D's Avatar
USA, NY, East Islip
Joined Feb 2004
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Hmmmm your shooting for under 16ozs if I do my conversion correctly.

I hope you can make it. What will your painting method be?

Mixing lightweight spackle and sanding down to 600 gave me a glass like surface on my Spit. Had I glassed over it the only thing you would have seen is the glass itself. On some older WWI kits I like this look, however on the Spit it would not have looked right.

Figured I would try it without. Time will tell if I like it this way. I do know the “naked” GWS Zero I’m building is coming in very light. That’s always a good thing!

Didn’t notice if you glassed both sides of the wing or elevator. On some thinner surfaces I have noticed only doing 1 side will warp that surface.

“Stock” gear meaning GWS 350? I’m interested as to what you have in mind.

Best of Luck

Tommy
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Old May 17, 2005, 01:42 PM
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pda4you's Avatar
USA, TX, Trophy Club
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The issue with on weight is balance. I had to add 2 oz of weight to the nose! Bummer....

At just shy of 19oz mine goes like stink - with a Himax brushless system!

Mike
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Old May 17, 2005, 01:49 PM
'Riders fan.
David Winter's Avatar
Vancouver, British Columbia
Joined Mar 2004
1,165 Posts
Quote:
What will your painting method be?
I airbrush everything and use an acrylic paint from a company called PolyScale. It's specifically made for the model railroad crowd. The colours are much closer in accuracy and they cover well with thin coats.

Quote:
“Stock” gear meaning GWS 350? I’m interested as to what you have in mind.
Yes, although this kit was the slope glider version, the powered kits come with a GWS350 with B gear. So that's what I'll use. I figure the extra 50 to 60 grams of weight the glass has added will probably require a brushless but we'll see.
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Old May 17, 2005, 01:50 PM
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David Winter's Avatar
Vancouver, British Columbia
Joined Mar 2004
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Quote:
Originally Posted by pda4you
The issue with on weight is balance. I had to add 2 oz of weight to the nose! Bummer....

Mike
I've put more glass and polycrylic up front than on the tail.
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Old May 17, 2005, 01:57 PM
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Quote:
Originally Posted by David Winter
I've put more glass and polycrylic up front than on the tail.
That wont be enough!

Trust me don't fly it tail heavy.........you will see what I mean.....

Mike
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Old May 17, 2005, 02:00 PM
'Riders fan.
David Winter's Avatar
Vancouver, British Columbia
Joined Mar 2004
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Quote:
Originally Posted by pda4you
That wont be enough!

Trust me don't fly it tail heavy.........you will see what I mean.....

Mike
You had to add weight to the nose because you're using a much lighter power system and battery. These models are designed around heavier equipment.
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Old May 17, 2005, 02:00 PM
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This should keep you going......

Here is my baby!
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Old May 17, 2005, 02:02 PM
Hooper, full throttle!
Tommy D's Avatar
USA, NY, East Islip
Joined Feb 2004
11,066 Posts
Quote:
Originally Posted by pda4you
That wont be enough!

Trust me don't fly it tail heavy.........you will see what I mean.....

Mike
I agree. There is a LOT more surface behind the CG then in front.

At 14.8ozs My Spit looks light all of a sudden!

Best of Luck on the Build

Tommy
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Old May 17, 2005, 02:03 PM
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David Winter's Avatar
Vancouver, British Columbia
Joined Mar 2004
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What did you use for the pilot?
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Old May 17, 2005, 02:04 PM
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USA, TX, Trophy Club
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Quote:
Originally Posted by David Winter
You had to add weight to the nose because you're using a much lighter power system and battery. These models are designed around heavier equipment.
Yep my motor is lighter, but my 2100 TP battery isn't too light. And it is all the way forward, but it is long and skinny.

Let me know where you end up. At any rate, I can tell you it flies great at that weight, very realistic and no lack of power.....

Mike
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Old May 17, 2005, 02:09 PM
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Quote:
Originally Posted by David Winter
What did you use for the pilot?
Now that is where I am lucky. I have two great flying buddies (well more actually) one has a vaccuform business (he does stuff for many kits we e-guys know and love!) and the other is a world renound figure painter. He specializes in 55mm western and war figures. This pilot is much larger, but you can sure get a taste of his talent.

Keith Sparks (the molder) stuff is sold by Dare:
http://www.darehobby.com/accessories.htm

You should also take a look at his book building with Foam. He is a true master.

http://home.att.net/~parkflyerplasti...ome.html-.html

Mike
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Old May 17, 2005, 02:22 PM
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David Winter's Avatar
Vancouver, British Columbia
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I have a vacuformer I use for my model ships. I guess I'll just have to make the bust mold of the pilot.
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Old May 17, 2005, 09:51 PM
Making gravity dramatic
AugerIn_'s Avatar
United States, WI, Peshtigo
Joined Sep 2004
212 Posts
Quote:
Originally Posted by pda4you
The issue with on weight is balance. I had to add 2 oz of weight to the nose! Bummer....

At just shy of 19oz mine goes like stink - with a Himax brushless system!

Mike
Somehow I got lucky with my setup (very similar to yours). I'm flying my Spit at 19.6 ozs (glassed and painted) with a Himax 2025-4200 w/ the 4.4:1 gearing on a 9x7 prop and a 3S 1800mAh LiPo crammed into the hogged out nose section. The lucky part is I didn't have to add any weight at all, it balanced perfectly.

And it definitely "goes like stink"

David, I'm anxious to see what your AUW ends up being after glass and paint - lookin' good btw. The only thing I did differently on mine was cut the control surfaces prior to glassing so I could do the 'wrap-around' without using your iron method. BTW, once you fly your Corsair on BL... the Spit won't be far behind Hang on and enjoy the ride!

-Brad
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Old May 18, 2005, 12:39 AM
Uh Oh Jungo
ParkJeff's Avatar
Australia, WA, Perth
Joined Feb 2003
790 Posts
David,

I just want to say thank you for doing this. I've been looking for a well illustrated glassing tutorial and although there are many good descriptions of glassing methods here on RCG yours is the first I've found with photos of each stage so that someone who has never glassed before is able to see and understand the "simpler" steps.

I have a bag of 0.5oz cloth which I was going to glass a Formosa with and it's been sitting around as I couldn't figure out how to do the control surfaces. Do you leave the leading edges of the ailerons where they meet the wings as bare foam? Are there any advantages to glassing the hinging edges of ailerons, elev, rudder, wings, fin and stab?

Again thanks for taking the time to show glassing newbies like me exactly how it's done.

Jeff
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Old May 18, 2005, 09:46 AM
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Jeff I personally leave the LE and TE of surfaces with no glass, but I do seal them with WBPU. That way the paint looks better. I do cover the wing LE as it gets a lot of abuse and the glass helps with that.


Brad - I use the 2015 so maybe that is why you didn't need to add any weight. I must have got a little carried away on the tail feathers!

Mike
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