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Old 11-12-2006 | 07:34 PM
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From: Savannah MO
Default Four Star 60 Balance

I just picked up a four star 60 built from a kit and I have no plans. Can someone help me with the balance location, thanks.

Jeff
Old 11-12-2006 | 07:51 PM
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Default RE: Four Star 60 Balance

30 percent of the wing chord. Or balance it on the main wing spar. Balance it upside down.
Old 11-13-2006 | 01:06 PM
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From: Nettleton, MS
Default RE: Four Star 60 Balance

still can't find my manual, but i remember that the plane builds tail heavy. with battery under tank against firewall and servos and reciever moved as far foward as possible mine still required around 4 1/4 oz of lead in the nose to balance. i'll continue to look for my manual until i find it or someone answers.
Old 11-13-2006 | 04:25 PM
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Default RE: Four Star 60 Balance

Balance it on the main spar of the wing and it will fly like a champ!
Old 11-13-2006 | 05:03 PM
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Default RE: Four Star 60 Balance

Balance it on the main spar of the wing and it will fly like a champ!
that's what i was thinking but i didn't want to say anything without checking the manual first.
Old 11-13-2006 | 05:10 PM
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Default RE: Four Star 60 Balance

I just pulled out the plans, and the center of the range is the center of the spar. That is 3 1/2" from the leading edge, so we'll all agree, to agree[8D]
Parrthd, you're dead on, on the tail heavy part, that's just about what I had to add, and my engine is over 19 oz. (Saito .65)
Pete
Old 11-13-2006 | 08:22 PM
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From: Savannah MO
Default RE: Four Star 60 Balance

Thanks everyone, that is where I assumed it was going to be.
Old 11-14-2006 | 07:51 PM
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From: Butte, MT
Default RE: Four Star 60 Balance

I recently built one and used the RCV .91CD and had to add 1 1/2oz to the tail to get it to balance..


Shane
Old 11-15-2006 | 07:30 PM
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Default RE: Four Star 60 Balance

Hi Shane,
That RCV weighs 25.2 oz. w/o muffler, how much does the muffler weigh? Without the muffler that's about 6 oz. heavier than my old Saito, always a balancing act
Pete
Old 11-16-2006 | 12:34 AM
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Default RE: Four Star 60 Balance

It's like 29 oz. total, I origanily bought it for a 90 size spitfire that required alot of weight in the front but it wasn't enough power. It's 4oz. heavier than my buddies Saito 1.25w/ muffler. Yes , balancing is always fun..


Shane

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