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Thumper
Joined: 24 Aug 2008
Posts: 46
Location: Oakland TN.
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 Posted: Thu Aug 18, 2011 4:27 pm Post subject: SIMPLE Weight and Balance Question |
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I did not get the build manual when purchasing my Mark IIIC. Can someone send me a copy of theirs or at least a copy of the page that tells the weight and balance point in inches from the leading edge and the acceptable range? I previously had an Ultrastar and then a Firestar and if I remember right the IDEAL CG point in inches was 18" and the range was 12" to 23"??? What is it on the Mark III???? I am preparing my documents for the check ride. I am guessing my DPE will want to have something to compare my actual figures to.
Thank You
Dennis Long
Oakland
Tennessee
dlong1957(at)yahoo.com
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_________________
Dennis Long
Oakland TN
2000 Aeroprakt A20 Vista Cruiser, 2016 A22LS Aeroprakt
Previously Kolb Mark IIIC, 94 Firestar, 84 Ultrastar.
1200+hours since 1/1/2009 |
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Mike Welch
Joined: 13 Feb 2011
Posts: 272
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| Posted: Thu Aug 18, 2011 6:32 pm Post subject: SIMPLE Weight and Balance Question |
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Hey Dennis,
Sounds like you and your new MkIII are getting along pretty good.
Regarding your W & B question; From my "TwinStar MkIII (March 1998 Ed.) (usually referred to as "C"), page 68 Weight & Balance, it says...
CG should fall BETWEEN 25% TO 35% of the wing cord, otherwise known as 16.5" to 23.1" from the leading edge.
Just for grins, it mentions that the front mounting tab for the wings are 18" back from the leading edge.
If you want I could email you a really simple-to-use W & B spreadsheet that Boyd Young has shared with this list.
All you do is plug in a few easy numbers that you measured, and presto..it does the cypherin'. Real nifty program.
I did a couple of various weights for pilot's and fuel, etc.
Hope this helps.
Mike Welch
MkIII N212MN
On Aug 18, 2011, at 7:27 PM, Thumper wrote:
[quote]--> Kolb-List message posted by: "Thumper" <dlong1957(at)yahoo.com (dlong1957(at)yahoo.com)>
I did not get the build manual when purchasing my Mark IIIC. Can someone send me a copy of theirs or at least a copy of the page that tells the weight and balance point in inches from the leading edge and the acceptable range? I previously had an Ultrastar and then a Firestar and if I remember right the IDEAL CG point in inches was 18" and the range was 12" to 23"??? What is it on the Mark III???? I am preparing my documents for the check ride. I am guessing my DPE will want to have something to compare my actual figures to.
Thank You
Dennis Long
Oakland
Tennessee
dlong1957(at)yahoo.com (dlong1957(at)yahoo.com)
--------
Dennis Long
Oakland TN
1990 Kolb Firestar KX
80+ hours since June
[b]
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Thumper
Joined: 24 Aug 2008
Posts: 46
Location: Oakland TN.
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| Posted: Thu Aug 18, 2011 6:40 pm Post subject: Re: SIMPLE Weight and Balance Question |
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Thanks Mike. I have several W&B spreadsheets that work well. I believe I have the one you suggested. Thanks for the dimensional verification, that is EXACTLY what I was looking for. I am getting along very well with the Mark III, I flew it to Oshkosh and back. First time flying there and it was great. I hope to see yours in the air soon.
Dennis
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_________________
Dennis Long
Oakland TN
2000 Aeroprakt A20 Vista Cruiser, 2016 A22LS Aeroprakt
Previously Kolb Mark IIIC, 94 Firestar, 84 Ultrastar.
1200+hours since 1/1/2009 |
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pj.ladd(at)btinternet.com
Guest
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| Posted: Fri Aug 19, 2011 10:27 am Post subject: SIMPLE Weight and Balance Question |
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If you want I could email you a really simple-to-use W & B spreadsheet >>
Yes please Mike.
my Xtra will be due for reweighing as part of the Permit to Fly inspection next year and it would be helpful to be able to crunch some figures first.
Pat. pj.ladd(at)btinternet ([email]pj.ladd(at)btinternet[/email])
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