Today's Message Index:
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1. 05:57 AM - CG ? (frank goodnight)
2. 06:25 AM - Re: CG ? (Jerry Latimer)
3. 07:43 PM - Re: CG ? (JohnDRead@aol.com)
Message 1
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If one decided to use VGS in place of the slats
on a 701, where would the datum line be? More importantly
how far back from the leading edge of the wing--at what % of cord-- would the CG
range start?
New to the 701 Frank
Message 2
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Frank,
You might try looking through this website. I placed the vg's on my HDS per
their measurements and have been very pleased.
http://stolspeed.com/slats-v-s-vgs
Jerry
_____
From: owner-zenith701801-list-server@matronics.com
[mailto:owner-zenith701801-list-server@matronics.com] On Behalf Of frank
goodnight
Sent: Wednesday, January 02, 2013 6:57 AM
Subject: Zenith701801-List: CG ?
If one decided to use VGS in place of the slats
on a 701, where would the datum line be? More importantly
how far back from the leading edge of the wing--at what % of cord-- would
the CG range start?
New to the 701 Frank
Message 3
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VGs are not a replacement for slats. VGs will make a poorly performing
airfoil work better. Find a copy of Abbot and Von Doenhoff (A&VD) and read
the chapter on how slotted airfoils work. The slat on the front of the 701
wing are a part of the airfoil. The slot is "carved" through the wing to
create doubling of the lift coefficient of the airfoil. When the slats are
removed you are entering the area of "experimental airfoils. Listers - before
you flame me read the chapter in A&VD.
Regards, John
CH701 - Colorado - Jabiru 3300
Cell: 719-494-4567
Home: 303-648-3261
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