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Flying Mark III with no doors.

 
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Dee One



Joined: 29 Jun 2015
Posts: 48

PostPosted: Sun Aug 23, 2015 5:52 pm    Post subject: Flying Mark III with no doors. Reply with quote

I've taught flying for 20 years out of a Kolb Twister; i.e. completely open cockpit. Currently rebuilding a Mk3. I'm contemplating flying the Mk3 with the doors off via removing the wire on the piano hinges. This should provide more of an open-cockpit experience for the summer months.

My question is: What's your experience flying with doors removed from the Mk3? Any adverse handling characteristics besides more drag? Thanks for your feedback.

Dee


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Richard Pike



Joined: 09 Jan 2006
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Location: Blountville, Tennessee

PostPosted: Mon Aug 24, 2015 6:15 am    Post subject: Re: Flying Mark III with no doors. Reply with quote

Tried it once, no change in flying characteristics, but the amount of wind drawn through by the shape of the cockpit was incredible. I suggest half doors, which is what I use in the summer. Open cockpit without the wind. It is easy enough to have 2 sets of doors; one set for the winter, one for the summer.

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Richard Pike
Kolb MKIII N420P (420ldPoops)
Kingsport, TN 3TN0

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Dee One



Joined: 29 Jun 2015
Posts: 48

PostPosted: Mon Aug 24, 2015 5:39 pm    Post subject: Flying Mark III with no doors. Reply with quote

Is this half door of your own design? Do you have a photo? Sounds like a good compromise. Dee LeBlanc
leblancds(at)cox.net (leblancds(at)cox.net)
cell 225-802-1038
~~~~~~~~~~~~~~~~
The Past is History
The Future is a Mystery
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Quote:
On Aug 24, 2015, at 9:15 AM, Richard Pike <thegreybaron(at)charter.net (thegreybaron(at)charter.net)> wrote:
--> Kolb-List message posted by: "Richard Pike" <thegreybaron(at)charter.net (thegreybaron(at)charter.net)>Tried it once, no change in flying characteristics, but the amount of wind drawn through by the shape of the cockpit was incredible. I suggest half doors, which is what I use in the summer. Open cockpit without the wind. It is easy enough to have 2 sets of doors; one set for the winter, one for the summer.--------Richard PikeKolb MKIII N420P (420ldPoops)Kingsport, TN 3TN0Would you consider yourself to be a good person?https://www.youtube.com/watch?v=VWcDXT6pH7ARead this topic online here:http://forums.matronics.com/viewtopic.php?p=446339#446339Attachments: http://forums.matronics.com//files/p1040729_small_535.jpg


[quote][b]


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Richard Pike



Joined: 09 Jan 2006
Posts: 1671
Location: Blountville, Tennessee

PostPosted: Tue Aug 25, 2015 6:24 am    Post subject: Re: Flying Mark III with no doors. Reply with quote

They are identical to stock MKIII doors with that back half cut off and the curved back vertical moved forward and reattached with some of the curve taken out. I started with the Lexan extending back further, a straight edge, and kept cutting it away until I could see past it and still not have a lot of wind.

Anyway, the top hinged piece extends up 29" from the edge of the fiberglass fairing, the rest of it is just eyeballed to suit, I doubt it is at all critical. I have used these since 1998, replaced the Lexan a couple times as it gets scratched.


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Richard Pike
Kolb MKIII N420P (420ldPoops)
Kingsport, TN 3TN0

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Dee One



Joined: 29 Jun 2015
Posts: 48

PostPosted: Thu Aug 27, 2015 1:21 pm    Post subject: Flying Mark III with no doors. Reply with quote

Thanks Richard, I plan to give it a try. Maybe I’ll start with old Lexan and trim to my liking for a pattern. Dee LeBlanc
leblancds(at)cox.net (leblancds(at)cox.net)
cell 225-802-1038
~~~~~~~~~~~~~~~~
The Past is History
The Future is a Mystery
Today is a Gift
That’s Why They Call it the Present

Quote:
On Aug 25, 2015, at 9:24 AM, Richard Pike <thegreybaron(at)charter.net (thegreybaron(at)charter.net)> wrote:
--> Kolb-List message posted by: "Richard Pike" <thegreybaron(at)charter.net (thegreybaron(at)charter.net)>They are identical to stock MKIII doors with that back half cut off and the curved back vertical moved forward and reattached with some of the curve taken out. I started with the Lexan extending back further, a straight edge, and kept cutting it away until I could see past it and still not have a lot of wind. Anyway, the top hinged piece extends up 29" from the edge of the fiberglass fairing, the rest of it is just eyeballed to suit, I doubt it is at all critical. I have used these since 1998, replaced the Lexan a couple times as it gets scratched.--------Richard PikeKolb MKIII N420P (420ldPoops)Kingsport, TN 3TN0Would you consider yourself to be a good person?https://www.youtube.com/watch?v=VWcDXT6pH7ARead this topic online here:http://forums.matronics.com/viewtopic.php?p=446390#446390


[quote][b]


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Richard Pike



Joined: 09 Jan 2006
Posts: 1671
Location: Blountville, Tennessee

PostPosted: Thu Aug 27, 2015 4:38 pm    Post subject: Re: Flying Mark III with no doors. Reply with quote

Excellent plan!

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Richard Pike
Kolb MKIII N420P (420ldPoops)
Kingsport, TN 3TN0

Forgiving is tough, being forgiven is wonderful, and God's grace really is amazing.
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