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rickofudall
Joined: 19 Sep 2009
Posts: 1392
Location: Udall, KS, USA
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 Posted: Tue May 18, 2010 6:47 am Post subject: Flap control detent |
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Now that I've seriously started using the flaps on my Mk III I've just about worn the detents on the track away and there are divots in the plate on the flap handle, too. They won't stay in the up position on the ground but air pressure holds them up in flight and last night the handle popped off the full flap detent twice. Mine is an early aircraft and the track and the plate on the flap handle are just .063" steel with no hardening or wear prevention. Any changes to new models? Fixes? I'm thinking of two ways to go, adapt an emergency brake handle out of a car and mount it down between the seats so the release button can be operated by a pilot of normal dexterity, or go with a 12V linear actuator. Either would give more adjustment than just the half and full settings (which I have no trouble with and am unsure of the value of more than that).
Rick Girard
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ces308
Joined: 03 Nov 2008
Posts: 317
Location: houghton lake ,mi
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| Posted: Tue May 18, 2010 8:34 am Post subject: Re: Flap control detent |
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Rick...
I attached a spring to hold it in the detent...it works well...I will take a picture and post to see....
chris ambrose
M3X/Jab 128.4 hrs
N327CS
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clrprop
Joined: 16 Sep 2008
Posts: 44
Location: SC
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| Posted: Tue May 18, 2010 9:41 am Post subject: Re: Flap control detent |
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The plate on my handle is in good shape but the detents were worn. I cut out a new one and riveted it on top of the original.
Keath T
MkIII C
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ces308
Joined: 03 Nov 2008
Posts: 317
Location: houghton lake ,mi
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| Posted: Tue May 18, 2010 10:20 am Post subject: Re: Flap control detent |
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the spring works great...holds it tight to the detent and doesn't rattle around wearing it out....for what it's worth...
As Roseanne Roseanna Danna says,"It just goes to show you,it's always something !"
chris ambrose
m3x/jab
n327cs
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by0ung(at)brigham.net
Guest
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| Posted: Tue May 18, 2010 12:54 pm Post subject: Flap control detent |
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Now that I've seriously started using the flaps on my Mk III I've just about worn the detents on the track away and there are divots in the plate on the flap handle, too. They won't stay in the up position on the ground but air pressure holds them up in flight and last night the handle popped off the full flap detent twice. Mine is an early aircraft and the track and the plate on the flap handle are just .063" steel with no hardening or wear prevention.
Any changes to new models? Fixes? I'm thinking of two ways to go, adapt an emergency brake handle out of a car and mount it down between the seats so the release button can be operated by a pilot of normal dexterity, or go with a 12V linear actuator. Either would give more adjustment than just the half and full settings (which I have no trouble with and am unsure of the value of more than that).
Rick Girard
| Quote: | >>>>>>>>>>>>>>>>>>>>>>>…
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Years ago I visited my brother and we visited some of his flying friends, they were using power window motors for flap actuators.
When I put my mkiii together, I cut the bottom of the square detents with an angle cut up and toward the left. and cut the flap handle to match, this way the more pressure on the flaps pulls the flap handle into the notch tighter.
Boyd Young
MKIII
Ps
The weather guessers are forecasting the Weather for MV as ok, not stellar, but ok , northern utah a bit iffy to get out. My flying choices are rain or wind or I could drive down. I will be checking the weather close.
Do not archive.
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Richard Pike
Joined: 09 Jan 2006
Posts: 1671
Location: Blountville, Tennessee
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| Posted: Tue May 18, 2010 5:12 pm Post subject: Re: Flap control detent |
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As long as you are modifying the handle, here is an alternative, gives you as many options for flap positions as you want to drill holes, and that roll pin will last longer than either one of us...
http://www.bcchapel.org/pages/0003/pg3.htm
Richard Pike
MKIII N420P (420ldPoops)
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