Greetings
After reading all the comments about stub wing fuel tanks and their
affect on the CG; I decided against them however I have re-read Mark
Langford's page (http://www.n56ml.com/wingtank.html) and he details stub
wing tanks so now I am really confused.
Regards
שָׁלוֹם עֲלֵיכֶם (Shalom aleichem)
Michael L Griffin
mileg...@gmail.com
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Cel : +27 83 462 0462
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He who play in root,
eventually kill tree.
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On Tue, 15 Dec 2020 at 08:08, Michael <mileg...@gmail.com> wrote:
> Greetings
>
> This discussion throws my idea of stub tanks right out the window and
> with good reason as I am a complete novice (onlly just started finishing
> this project) and did not adequately consider CG. Rather learn on the
> ground than in the air! As a skydiver I have a good understanding of how
> weight affects flight :)
>
> Next question if I may; wing leading edge tank (infront of main spar),
> Wing chord tanks (behind main spar) or wing tip tanks? Considering that I
> am wanting to make the main wing foldable (fold up then sideways aft) for
> trailer storage & transport; which would be the better option and how to
> ensure the piping etc will work with folding wings?
>
> Regards
> שָׁלוֹם עֲלֵיכֶם (Shalom aleichem)
>
> Michael L Griffin
> mileg...@gmail.com
> Fax : 086 733 0650
> Cel : +27 83 462 0462
> Please consider the environment before printing this email
>
> He who play in root,
> eventually kill tree.
>
> Linode Private Server :: http://goo.gl/OnpGMS
> EvE Online 21day trial :: http://goo.gl/TAZSJ8
>
>
> On Tue, 15 Dec 2020 at 04:31, Flesner via KRnet <krnet@list.krnet.org>
> wrote:
>
>> On 12/14/2020 7:44 PM, Mark Wegmet via KRnet wrote:
>> > The CG issue would (I would think) depend on
>> > placement of the tanks - wing or tip - relative to the "normal" CG
>> > calculations for the airframe.
>>
>> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>
>> That is correct as with anything with weight attached to the aircraft.
>> The closer to the desired CG location the better. My tanks are in the
>> area 10" behind the main spar with most of the weight in the CG
>> envelope. Other than the weight I can't really tell what my fuel load
>> is from how how the aircraft handles. Pitch forces remain almost
>> constant from full to empty tanks.
>>
>> Larry
>>
>>
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