W&B Calcs, second pair of eyes needed (again !)
OLd numbers Empty Weight 1425, CG 10.86, Moment 15481.03
Equipment Removed (1) Weight 56 Arm -61.3 Equipment Removed (2) Weight 4.0 Arm -62.2 Equipment Added (1) Weight 52.0 Arm -61.3 Equipment Added (2) Weight 2.0 Arm -62.2 New Empty Weight 1419, CG ?, Moment? |
Original moment is 15475.5.
New wt.1419 @[email protected] |
Muchas Gracias Sycamore.
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Arm (CG) = Moment / Weight
To nearest 2 decimal places Starting: 10.86 = 15481 / 1425 Kit you're removing: -56 * -61.3 = 3432.8 -4 * -62.2 = 248.8 After removal: Weight = 1425 + (-56) + (-4) = 1365 Moment = 15481 + 3432.8 + 248.8 = 19162.6 CG (Arm) = 19162.6 / 1365 = 14.04 Kit you're adding: 52 * -61.3 = -3187.6 2 * -62.2 = -124.4 After adding: Weight = 1365 + 52 + 2 = 1419 Moment = 19162 + (-3187.6) + (-124.4) = 15850.6 CG (Arm) = 15850.6 / 1419 = 11.17 New Empty Weight: 1419, CG: 11.17, Moment: 15850.6 PLEASE get someone else to verify these before trusting them when doing W&B calculations before flight. OC619 Edited to add: This seems reasonable because if you're removing weight with a negative ARM then the result would be to make the ARM more positive |
I agree with Open Cirrus
http://i30.photobucket.com/albums/c3...pso4wcfupp.png pb, I would have thought your AME would have done a new W&B. |
pb,
I would have thought your AME would have done a new W&B?[/QUOTE] Oh he will, but wants to charge me an arm and a leg (pun intended) to do it because he didn't get the prop sale, so I'm going to present him with the amended calcs for signature about 10 minutes before I get my checkbook out to write a 20k check for the inspection. |
Well let me wait a "moment" before I decide what my charge will be. ;)
OK. Let's just call it a trade for my ride in your "little yellow plane". You'll have to negotiate separately with Open Cirrus. |
I spend most of my time in the gliding world - it works slightly differently from the power one, in that most things (including instructor time) are donated free of charge.
The odd beer (after the hangar doors are shut) doesn't go unappreciated. Enjoy :ok: OC619 |
AME? Aviation medical examiner? Have you put on weight as well?
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Well spotted, dont overfill.
For AME, read A&P. ;) |
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