Sturdy Birdy on Floats  
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Sturdy Birdy on Floats - 3/26/2008 12:21:54 AM   
Bad Tooth



Posts: 195
Joined: 5/6/2003
From: Lawton, OK, USA
Status: offline 		What do you guys think? Will this work? I'd prefer to not move my main gear and just add another in the back, is the one in the back too far?


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RE: Sturdy Birdy on Floats - 3/26/2008 12:23:09 AM   
Bad Tooth



Posts: 195
Joined: 5/6/2003
From: Lawton, OK, USA
Status: offline 		Also what about the down angle on the engine? Will that be a big problem?

(in reply to Bad Tooth)
       Post #: 2

RE: Sturdy Birdy on Floats - 3/26/2008 11:49:33 PM   
David Mosher


 

Posts: 11
Joined: 1/30/2003
From: St. John's, NF,
Status: offline 		My 2cents: CofG over step. Yes, incidence of engine a concern. While all things can be adjusted and compensated for, it is not going to set you up for success. Wing incidence needs to be considered also. Plane will either balloon or sink like a stone when throttle backed off, depending on relationship with wing. get that engine straightened up, it will save you grief.....

(in reply to Bad Tooth)
       Post #: 3

RE: Sturdy Birdy on Floats - 3/27/2008 1:58:17 AM   
JimCasey



Posts: 1558
Joined: 3/4/2002
From: Cookeville, TN, USA
Status: offline 		Downthrust is common, especially with trainers. The principal source of drag is the wing. Adding power below the wing causes a moment that lifts the nose. A little downthrust as you have it makes the plane fly straighter. It probably has the engine pointing a little to the right, also.

My Senior kadet has 6 degrees of downthrust. Even full-size planes use it: Here's a T-28


< Message edited by JimCasey -- 3/27/2008 2:00:37 AM >

_____________________________

Jim Casey/Seaplane Nerd
http://www.smilesandwags.com/Floats.html

(in reply to David Mosher)
       Post #: 4

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