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Pitts S-1 weight and balance



 
 
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  #1  
Old March 2nd 04, 04:28 AM
wallyairplanefan
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Default Pitts S-1 weight and balance

I have an older Pitts S-1 project I an trying to finish. It has
Sparcraft 4 aileron wings. The old plans I have do not show the CG
range. Does anyone flying a Pitts like this know what the CG range
should be?
Thanks!
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  #2  
Old March 4th 04, 02:26 AM
Byron J. Covey
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From the "Pitts S-1S Airplane Flight Manual"

Datum is 65.06 inches forward of the lower wing leading edge.

Most forward limit:
FS 64.00 (17.9% MAC) at 1115 lbs or less.

Most forward at max gross weight:
FS 65.00 (20.8% MAC) at 1150 lbs.

Most rearward at gross weight:
FS 66.00 (23.7% MAC) at 1150 lbs.

Most rearward limit:
FS 67.00 (26.6% MAC) at 970 lbs.


BJC



"wallyairplanefan" wrote in message
om...
I have an older Pitts S-1 project I an trying to finish. It has
Sparcraft 4 aileron wings. The old plans I have do not show the CG
range. Does anyone flying a Pitts like this know what the CG range
should be?
Thanks!



  #3  
Old March 6th 04, 05:09 AM
wallyairplanefan
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Default

Hey thanks Byron! I think I can use this!

I will try to calculate where the MAC is on mine since I think the
fuselage is a little longer on the S-1S than my S-1C

Wally
"Byron J. Covey"
From the "Pitts S-1S Airplane Flight Manual"

Datum is 65.06 inches forward of the lower wing leading edge.

Most forward limit:
FS 64.00 (17.9% MAC) at 1115 lbs or less.

Most forward at max gross weight:
FS 65.00 (20.8% MAC) at 1150 lbs.

Most rearward at gross weight:
FS 66.00 (23.7% MAC) at 1150 lbs.

Most rearward limit:
FS 67.00 (26.6% MAC) at 970 lbs.

 




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