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Get out your trusty gram scale and weigh the 5 cell battery
pack. Now place your 4 cell pack on the scale and add led until it weighs
the same as the 5 cell pack. The CG should again be correct if your scale
is accurate or at least very close if it is not.
Maurice
Date: Thu, 21 Mar 2002 18:57:14 -0800
From: [EMAIL PROTECTED] To: [EMAIL PROTECTED] Subject: CG help on a flying sailplane?? Message-ID: <[EMAIL PROTECTED]">[EMAIL PROTECTED]> Hi Soarheads I hope someone is one line and can help me with this question. I have a Multiplex ASH26 1/4 scale glider. It has flown one time I had to give it 4 clicks down trim for perfect flight right off the board YEA I KNOW lucky first try. Well I have the CG set at what the manf. say's with a 5 cell pack. I am switching to a 4 cell pack and my question is on setting my CG back to where it was is??? With the 1/32" down trim in the elevator right now for perfect flight. Do I move the CG back a 1/8" from where it is now for a start or should I move it foreward 1/8" to make up for the slight down trim it has now? I am headed out to the Big Visaila aero tow event and just tweaking the glider since I stripped a gear on the first flight. THANKS for any help tonight. Jerry |
