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Wing Strut drag...

 
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jackinkeywest



Joined: 20 Mar 2012
Posts: 36
Location: Key West, FL

PostPosted: Tue May 29, 2012 5:07 am    Post subject: Wing Strut drag... Reply with quote

So as not to 'high-jack' an earlier email re:March crash, there was a comment about the Kolb wing strut drag which I am curious about hence the new thread.

For those who have installed fairings on your wing/lift struts, what are the noticeable benefits (or detractors...) of flight/handling qualities before and after the fairings were installed? What material did you use (Alum or PVC) for your struts? Personally fabricated or purchased from vendor? Any final observations... are the fairings worth installing or not?

Thanks in advance!

Jack Lockamy
Key West
Kolb M3C/582/Floats


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John Hauck



Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)

PostPosted: Tue May 29, 2012 5:30 am    Post subject: Wing Strut drag... Reply with quote

For those who have installed fairings on your wing/lift struts, what are the
noticeable benefits (or detractors...) of flight/handling qualities before
and after the fairings were installed? What material did you use (Alum or
PVC) for your struts? Personally fabricated or purchased from vendor? Any
final observations... are the fairings worth installing or not?

Jack Lockamy

Jack L/Folks:

Streamlined lift struts improve glide, reduce drag and vibration.

The best struts are streamlined 4130, but 20 years ago the price was already
out of sight.

I replaced the round aluminum lift struts on my Firestar with streamlined
4130, in 1987. The improved glide was responsible finding the money to
install brakes. Had difficulty getting the Firestar stopped on my short
grass strip.

My MKIII is equipped with extruded aluminum lift struts included in the
early kits. They work great.

There are many different ways to streamline lift struts. I am sure others
will chime in and share their method.

john h
mkIII
Titus, Alabama


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_________________
John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama
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gajindra(at)sbcglobal.net
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PostPosted: Tue May 29, 2012 6:00 am    Post subject: Wing Strut drag... Reply with quote

Kolb has a plastic fairing that goes over the round tube and is rivited on.It is what I used on my Mark 3

Gary Jindra
Mark 3
56 hours




From: John Hauck <jhauck(at)elmore.rr.com>
To: kolb-list(at)matronics.com
Sent: Tue, May 29, 2012 9:37:46 AM
Subject: RE: Wing Strut drag...

--> Kolb-List message posted by: "John Hauck" <jhauck(at)elmore.rr.com (jhauck(at)elmore.rr.com)>


For those who have installed fairings on your wing/lift struts, what are the
noticeable benefits (or detractors...) of flight/handling qualities before
and after the fairings were installed? What material did you use (Alum or
PVC) for your struts? Personally fabricated or purchased from vendor? Any
final observations... are the fairings worth installing or not?

Jack Lockamy

Jack L/Folks:

Streamlined lift struts improve glide, reduce drag and vibration.

The best struts are streamlined 4130, but 20 years ago the price was already
out of sight.

I replaced the round aluminum lift struts on my Firestar with streamlined
4130, in 1987. The improved glide was responsible finding the money to
install brakes. Had difficulty getting the Firestar stopped on my short
grass strip.

My MKIII is equipped with extruded aluminum lift struts included in the
early kits. They work great.

There are many different ways to streamline lift struts. I am sure others
will chime in and share their method.

john h
mkIII
Titus, Althe Matronics List Features Navigator to /www.matronics.com/Navigator?Kolb-List" target=_blank>http://www.matronicsp; -Matt Dralle, List Admin.

[quote][b]


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