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Old 05-13-2015, 03:52 AM
bogdan.motrici is offline
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Quote:
Originally Posted by MaceH View Post
You can always run thin ca into the elev horn slots from the other side of the surface- they go all way through- make tiny slit in the covering and squirt some in. In fact that is stronger than epoxy because it soaks outwards into the balsa.
Thx a lot for the advice, will do it like this.
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Old 05-25-2015, 12:43 AM
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Hi guys,
Just finished my baby with OS GT33 but I have a small problem. Seems that with the CG at 5.5" as is written in the manual is tale heavy and I have to go like 6" and something. I have Savox 1256TG in the plane including throttle, with 2 packs of 2200 2S for receiver and 3000 for ignition. I did the CG with the tank empty is 500CC. So for those with OS GT33 how it went your CG? and for the rest with gas engines in the range of 33 CC capacity how you managed the CG? If at this point in time it is around 6" I think I should not fly it like this right? Even if I saw that most of you guys said that 5.5" as is in the manual is nose heavy.
Thx,
PS> I am looking forward to not add extra weight and try to play as mush as possible with what I have inside the plane.
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Old 05-25-2015, 03:12 PM
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Balance it according to the manual. Mine is electric and I had to put the batteries in the motor box. The V2 is a little heavier in the rear than the V1 so you may need to move things around vs someone else's build.
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Old 05-25-2015, 04:37 PM
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I'm about an inch behind the rear edge of wing tube- flys hands off right side up and inverted, really perfect. My manual's position left me very very nose heavy. I have a 'V1' I think; at least, it is certainly not a V2.
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Old 05-25-2015, 04:58 PM
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rudder ef78 v1

Rudder authority for me was quite poor so I extended the thing a few inches... not a lot of work and I think worth it. Adds <1oz which I needed anyway to balance. Pop tops are much much better now as are knife edges and ke spins.

Its a 1/16" ply frame with lightening holes ca'd into a dremeled slot it the existing rudder, with some balsa sticks for the white moneycote to adhere to. Was helpful that the existing rudder had such a thick trailing edge so the airfoil is still quite good.
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Old 05-26-2015, 03:31 AM
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Thx guys for your reply. I did not had the cowl mounted, my bad , which is 160 grams,. so tonight as I finished mounting the cowl, will do the CG again to see where I stay bout it should be fine with this extra weight.
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Old 05-26-2015, 08:13 AM
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whats the main difference between the electric version vs the gas version?

I have a guy selling the gas version but I want to convert it to electric,..
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