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Sport Pilot Talk
The discussion forum for Sport Pilots and Light Sport Aircraft
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ka7eej
Joined: 28 Jan 2007
Posts: 177
Location: Taylor, Az
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| Posted: Sun May 16, 2010 11:49 pm Post subject: |
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Fun to see different weights... My Allegro 2000.. By the numbers..
Empty 647... fuel 14 gal at 90... Alowable weight 1232 ( This was to be the original weight limit of LSA)... Leaves 495 minus 22 baggage..473 so two big ol Texas size flyers at 236 each....
Would also like more fuel but at 3.5 to 4 GPH I plan for 2-2.5 hour legs...
Fun times.... |
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David
Joined: 23 Mar 2006
Posts: 54
Location: KPTW
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| Posted: Mon May 17, 2010 9:31 pm Post subject: Fasteddie good idea for your wt and bal |
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I am going to add to my excel sheet for pax wt like yours
My wt and bal for the my sporthornet.
Thanks for the idea.
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FastEddieB
Joined: 07 Jan 2009
Posts: 207
Location: Mineral Bluff, GA
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| Posted: Wed May 19, 2010 6:18 pm Post subject: |
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You're welcome.
I've enjoyed seeing the empty weights of other LSA's.
I guess my Sky Arrow is kinda on the heavy end.
Reasons?
1) I believe the Sky Arrow started life as an unmanned drone. As such, weight was not critical in its original design.
2) It then became a certified plane, with a higher gross weight than the LSA version. Lightening an existing design is probably more difficult than starting with a clean sheet.
3) Both the elevator and ailerons are operated through push-pull tubes which, while rigid and reliable, are probably heavier than cable runs.
Otherwise, I don't know specifically what's so heavy on it.
In any case, much of the Sky Arrow seems gossamer light, with lots of carbon fiber. I don't mind a little weight where it counts if it results in a more substantial craft.
If you're curious, here's the actual W & B:
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