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what are these things on the tips of a wing

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Old 04-19-2003 | 10:44 PM
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Default what are these things on the tips of a wing

any one seen these vertical tips on planes i have seen (737 and 767) what are they and what do they do and can something like that be used on a r/c ..............
Old 04-19-2003 | 11:29 PM
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Default what are these things on the tips of a wing

They are called winglets. They reduce drag caused by high pressure wing spilling over the top of the wing into the low pressure area below. You've probably seen pictures of airliners with contrails forming at the wingtips. The winglets smooth them out. They reduce drag/fuel usage by something like 7%.

No reason they can't be used in RC with the usual concerns (weight, complexity, etc.) taken into acount.

Here is a link that goes into more detail ...

http://airtransportbiz.free.fr/Techn...hewinglet.html
Old 04-22-2003 | 08:41 PM
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Default what are these things on the tips of a wing

I have seen winglets on several r/c jets I have encountered at Jet Rallies.
Old 04-22-2003 | 10:40 PM
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Default what are these things on the tips of a wing

Here is some detail: http://airtransportbiz.free.fr/Techn...hewinglet.html
Old 04-23-2003 | 12:39 AM
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Default what are these things on the tips of a wing

Sawyer - I've never seen an aerobatic ornothopter before.

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