Guy Buchanan
Joined: 16 Jul 2006
Posts: 1204
Location: Ramona, CA
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 Posted: Tue Jun 19, 2007 8:58 pm Post subject: Nose wheel and weight & balance for Classic IV |
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At 12:42 PM 6/19/2007, you wrote:
| Quote: | Why can't you just put scales under all the wheels, then say nose
wheel weight must not exceed a certain percentage of total weight to
remain inside CG envelope?
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You can. You're not missing a thing. Unless I'm missing something.
(No, I mean besides that.) As far as I know, weight and balance is
always determined by putting the plane on scales and using the
resulting weights to calculate a CG location and total weight. It's
then a very simple matter to calculate a nose wheel weight versus
total weight envelope similar to the weight/CG or weight/moment
envelopes you typically see in POH's. I suppose you could then load
the plane with a known weight of payload and fuel and measure the
nose wheel weight and know the CG's inside the envelope. However, it
seems simpler to calculate the various payload datums when you do
your empty weight and balance, (by loading each seat, baggage, and
fuel tank separately,) and then using that information, along with
measured payload item weights, to calculate a loaded weight and CG
whenever you need to. Am I missing the point?
Guy Buchanan
San Diego, CA
K-IV 1200 / 582-C / Warp / 100% done, thanks mostly to Bob Ducar.
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_________________
Guy Buchanan
Deceased K-IV 1200
A glider pilot too. |
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