RCU Forums - Grumman Goose Qustion

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curtusua-RCU

11-10-2017 04:11 AM

Grumman Goose Qustion

I have a friend who is building a Grumman Goose and he is wondering about the amount of dihedral in the wing. Does anyone have plans or other information that can confirm if the airplane had any anf if so, how much?

Thanks for any help...

Curt

All Day Dan

11-10-2017 07:59 AM

2 Attachment(s)

Four degrees? Dan.

David Johnston

11-10-2017 09:26 AM

2 Attachment(s)

Hello Curt!

Per the book “Grumman Goose’ by Steve Ginter - the wing dihedral for the full-size Grumman Goose was 2-1/2°

Hope this helps.

–DJ

curtusua-RCU

11-10-2017 09:41 AM

Thanks very much for the help, guys!

:D

scale only 4 me

11-18-2017 04:29 AM

Huum,,, is that actual dihedral or just the angle created by the taper?

All Day Dan

11-18-2017 04:19 PM

It's chord line to chord line. As far as three views are concerned, there's no telling what is correct. Dan.

Airfield Models - Calculating the Dihedral of a Wing

scale only 4 me

11-18-2017 04:57 PM

yeah,, I think that 4 degrees you reference with a ? is actually a 4" dimension

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