tc1917(at)bellsouth.net
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 Posted: Tue Sep 04, 2018 5:10 am Post subject: Kolb-List Digest: 3 Msgs - 09/03/18 |
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The angle of the wing is approx 12 degrees to the boom on firestars. Level the boom and the wing should be that. If it is not, check wing attach points. The sling shot is the only kolb with different angle, 9 degrees which is why we have long gears. Now, i may be wrong on the Mk models but i do know firestars. If yours is different, i believe therein lies the problem. Worth what ya paid. The advice to start from scratch and such i think is good. Just remember this question, how long are you planning on staying dead? Ted cowan SS 912ul zoom zoom
Sent from my iPhone
| Quote: | On Sep 4, 2018, at 1:36 AM, Kolb-List Digest Server <kolb-list(at)matronics.com> wrote:
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Kolb-List Digest Archive
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Total Messages Posted Mon 09/03/18: 3
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Today's Message Index:
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1. 08:39 AM - Re: Firestar Re-Configure Project (Rex Rodebush)
2. 09:16 PM - Re: First short XC Flight and Slow Cruise Speed (west1m)
3. 11:17 PM - Re: Re: Firestar Re-Configure Project (Bill Berle)
________________________________ Message 1 _____________________________________
Time: 08:39:09 AM PST US
Subject: Re: Firestar Re-Configure Project
From: "Rex Rodebush" <jrrodebush(at)gmail.com>
Bill,
When I called Brian at Kolb for the angles on my Mark III Xtra he gave me the following:
Set the digital level on the Motor Mounts fore and aft and zero. The
wing should be +3.4 degrees, the boom -6.1 degrees (ref), and the horiz. stab.
-4.8 degrees.
This is reference information only. This may or may not apply to a Firestar.
I would pester Kolb again and see if they can give you some information. If you
know someone nearby with a good flying firestar maybe they will let you get
the information yourself.
By the way, the difference in my wing angle from the "measured" set up to what
Brian recommended was about 3 degrees.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=482892#482892
________________________________ Message 2 _____________________________________
Time: 09:16:51 PM PST US
Subject: Re: First short XC Flight and Slow Cruise Speed
From: "west1m" <west1m(at)hotmail.com>
I think I know why his KOLB flys too slow...
( I have competed at the Reno Air Races (5th place Silver) and in the US National
Soaring Championships (9th place, 17th place))
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West1m
Hastings, MN
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=482898#482898
________________________________ Message 3 _____________________________________
Time: 11:17:24 PM PST US
From: Bill Berle <victorbravo(at)sbcglobal.net>
Subject: Re: Re: Firestar Re-Configure Project
When I called Brian at Kolb for the angles on my Mark III Xtra he gave me the
following: Set the digital level on the Motor Mounts fore and aft and zero.
The wing should be +3.4 degrees, the boom -6.1 degrees (ref), and the horiz. stab.
-4.8 degrees.
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So if my math is correct, the total "decalage angle" for the Kolb (the angle between
the wing and the stabilizer) is over 8 degrees. That seems like a whole
lot to me, but I do not have an aero engineering degree.
What I believe I do know from researching Kolbs for a while, is that different
models of Kolb aircdraft had different angles, and these LOOK like theyw ere changed
around from one model to another in order to meet a certain mission, or
achieve certain speeds, etc.
For example it looks to me (from the various photos) that the Slingshot was designed
for a higher speed range, and the wing/tail angles were a lot lower. I also
be lieve that this was accomplished by the hole drilled in the wing spar attach
fitting at the root.
John H can you shed some light on this, as to whether different Kolbs had different
wing angles, and what the reasons were for these changes?
Bill Berle
www.ezflaphandle.com - safety & performance upgrade for light aircraft
www.grantstar.net - winning proposals for non-profit and for-profit entities
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