Today's Message Index:
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1. 01:07 PM - Twinstar Mk I weight & balance? (Charlie England)
2. 01:29 PM - Re: Twinstar Mk I weight & balance? (George Helton)
3. 02:02 PM - Re: Twinstar Mk I weight & balance? (Charlie England)
Message 1
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| Subject: | Twinstar Mk I weight & balance? |
Getting ready to weigh the Twinstar. Anyone have a clue what part of the
airframe can be leveled, to put it in flight attitude? On this one,
leveling the top tube gives about 5 degrees positive AOA on the bottom of
the airfoil. Does this sound about right for doing W&B? Was there ever a
preferred datum point on these old planes?
Thanks,
Charlie
Message 2
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| Subject: | Re: Twinstar Mk I weight & balance? |
Charlie, I=99m pretty sure the wings leading edge is the preferred da
tum. On
a level surface the bottom of the wing should be set 8 or 9 degrees by
raising or lowering the tail. It=99s looking pretty nice in your pict
ure.
George H.
Firestar, FS100
Mesick, Michigan
gdhelton@gmail.com
On Sun, Oct 22, 2017 at 4:10 PM Charlie England <ceengland7@gmail.com>
wrote:
> Getting ready to weigh the Twinstar. Anyone have a clue what part of the
> airframe can be leveled, to put it in flight attitude? On this one,
> leveling the top tube gives about 5 degrees positive AOA on the bottom of
> the airfoil. Does this sound about right for doing W&B? Was there ever a
> preferred datum point on these old planes?
>
> Thanks,
>
> Charlie
>
--
Have a great day!
Message 3
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| Subject: | Re: Twinstar Mk I weight & balance? |
Thanks, George; I appreciate it.
My a&p buddy was guessing at 2-3 degrees of actual angle of attack, so I'll
need to adjust a bit.
On Sun, Oct 22, 2017 at 3:28 PM, George Helton <gdhelton@gmail.com> wrote:
> Charlie, I=99m pretty sure the wings leading edge is the preferred
datum. On
> a level surface the bottom of the wing should be set 8 or 9 degrees by
> raising or lowering the tail. It=99s looking pretty nice in your pi
cture.
> George H.
> Firestar, FS100
> Mesick, Michigan
> gdhelton@gmail.com
>
> On Sun, Oct 22, 2017 at 4:10 PM Charlie England <ceengland7@gmail.com>
> wrote:
>
>> Getting ready to weigh the Twinstar. Anyone have a clue what part of the
>> airframe can be leveled, to put it in flight attitude? On this one,
>> leveling the top tube gives about 5 degrees positive AOA on the bottom o
f
>> the airfoil. Does this sound about right for doing W&B? Was there ever a
>> preferred datum point on these old planes?
>>
>> Thanks,
>>
>> Charlie
>>
> --
> Have a great day!
>
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