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Forum: Aerodynamics

10-02-2017, 01:21 PM

Replies: 29

Landing speed increase with weight increase?

Views: 4,210

Posted By cavis

With all things equal, except weight and...

With all things equal, except weight and velocity, weight is equal to the square of velocity. Then the square 21 minus the square root of 20 divided by the square root of 20 times 100 gives the...

Forum: 3D Electric Flying!

07-25-2012, 04:02 PM

Replies: 4

PLANE stays in last aleron setting

Views: 883

Posted By cavis

RE: PLANE stays in last aleron setting

Ailerons are only to roll the airplane or bank the airplane. The elevator must be used to turn the airplane in a bank. However, wings with enough dihedral will roll out on there own, provided the...

Forum: 3D Electric Flying!

07-25-2012, 03:45 PM

Replies: 2

watts needed

Views: 820

Posted By cavis

watts needed

I have gotten hung up in math and do not believe some of my answers. So, how many watts is needed to to hover a one pound electric airplane.

Forum: Foamies! - RC Electric Foam Aircraft

11-12-2006, 10:25 PM

Replies: 5

Airfoilz Yak question

Views: 1,090

Posted By cavis

RE: Airfoilz Yak question

Build the wing according to the measurements given. The Measurements are given to make sure the wing airfoil is consistent though out the length of the wing. I am building one and have finished the...

Forum: E-Flight Power Sources

01-05-2005, 10:38 PM

Replies: 1

ESC Cut Off

Views: 531

Posted By cavis

ESC Cut Off

What should be the ESC cut off voltage for a three cell Li-Poly Pack. What ESC's are recommended for Li-Poly three cell pack.
I want to start using the three cell Li-Poly Packs, but only have...

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