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| So I've been building an ultralight |
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| danny_galaga:
--- Quote from: pbj on July 17, 2024, 06:23:44 pm --- --- End quote --- GERRY DOWN! |
| danny_galaga:
This is what $900 of weighing looks like |
| bobbyb13:
I like the technique here! What was the final number? |
| RandyT:
--- Quote from: danny_galaga on July 21, 2024, 08:57:07 pm --- This is what $900 of weighing looks like --- End quote --- I would have been tempted to find the center of balance and put a bottle jack on a scale :) |
| danny_galaga:
--- Quote from: RandyT on July 22, 2024, 11:01:43 am --- --- Quote from: danny_galaga on July 21, 2024, 08:57:07 pm --- This is what $900 of weighing looks like --- End quote --- I would have been tempted to find the center of balance and put a bottle jack on a scale :) --- End quote --- 😄 There's a standard procedure for all this. You start with a datum point and then measure back from there..in this case it's 100mm out from the wing strut attachment, plumb bob down to the ground. With the correct info, you can plug in the weights for each flight, in my case it would normally be pilot/passenger, how much fuel and two different luggage locations. Then you can see if it sits within the flight envelope. There can be situations where it's within the envelope when taking off, but if the fuel is nearly empty, it will be out of balance. Now imagine how complicated that is for a jet airliner! I'm going to bet that whenever you have whole rugby teams etc in board, they'll be in the front 😃 |
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