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norm2mac(at)gmail.com
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 Posted: Sun Apr 16, 2017 3:55 am Post subject: Mk3 C Clevis Pins |
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Hi again, could someone tell me the correct clevis pin sizes (ms20392
- xxxx), for the Kolb Twinstar Mk3 C please.
The current pins fitted bear no resemblance to the "picking list" I
have, which gives, (I presume I've got the correct ones), Aileron &
flaps - AN394-25 (3C25); wing strut top - AN395-17 (4C17); wing strut
at fuselage - AN395-29 (4C29); main wing - AN395-41 (4C41); elevator
bottom wires (not a through bolt but a mount on each side), AN393-17 (2C17).
The only pin I could find in "The Yellow Book" was the aileron, AN394-29.
The pins currently fitted are all 3C (1/4") instead of 5/16".
I'm a new owner and I want to change all the clevis pins.
Any help will be appreciated.
Norman
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byoungplumbing(at)gmail.c
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| Posted: Sun Apr 16, 2017 6:24 am Post subject: Mk3 C Clevis Pins |
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Norman wrote "Hi again, could someone tell me the correct clevis pin sizes (ms20392
- xxxx), for the Kolb Twinstar Mk3 C please"
My plans says
an395-17 for lift strut attach point to wing
An 395-29 for lift strut to cage
An394 - 29 flap arm attach and aileron linkage
Forward wing attachment an395-45
Wing attach at universal joint are 5/16 bolts
Note: AN 39 indicates the style the "5" in an395 is the diameter in 16ths the "dash number# is the length.
All clevis pins can be replaced with bolts and locknuts if you don't fold the wings.
Disclaimer....... Some of the clevis pins as noted by the plans were very slightly too short. In my humble opinion. If it were me,,, I would measure the distance to be spanned add the thickness of the washers you want to use. Plus a tiny bit so it is not to hard to get together.
Boyd Young
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williamtsullivan(at)att.n
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| Posted: Sun Apr 16, 2017 6:35 am Post subject: Mk3 C Clevis Pins |
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Norman- call Aircraft Spruce and get their catalog. Gull of information about sizes, hardness, and strange stuff. Great reference book.
Bill Sullivan
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On Sun, 4/16/17, Norman <norm2mac(at)gmail.com> wrote:
Subject: Mk3 C Clevis Pins
To: "Kolb List Posting" <kolb-list(at)matronics.com>
Date: Sunday, April 16, 2017, 7:54 AM
<norm2mac(at)gmail.com>
Hi again, could someone tell me the
correct clevis pin sizes (ms20392
- xxxx), for the Kolb Twinstar Mk3 C
please.
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