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zodiacjeff(at)msn.com
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 Posted: Thu Jul 27, 2006 11:05 am Post subject: strut coating |
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<?xml:namespace prefix="v" /><?xml:namespace prefix="o" /><![endif]--> > I'd consider powder coating or painting, but wouldn't consider plating.
Just the opposite opinion here: I'd never paint them. Try looking for someone who does hard industrial chroming, like the hydraulic folks in the Yellow Pages.
Mine has held nicely on three gear legs (HDS) for four years.
CAVU jeff (yes, that $ is way out of range)
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larry(at)macsmachine.com
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| Posted: Thu Jul 27, 2006 3:44 pm Post subject: strut coating |
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Jeff,
I do appreciate your opinion and was concerned about chroming becoming a
cause for imbrittlement and possibly losing a gear plate
at the strut welds. Epoxy paint properly applied would probably do as
nice a job at the bearings for me, but plating seemed a bit risky.
I haven't changed the thickness of my gear plates yet and we've lost a
few to the plate thickness at the welds.
Larry
Jeff Small wrote:
| Quote: | > I'd consider powder coating or painting, but wouldn't consider plating.
Just the opposite opinion here: I'd never paint them. Try looking
for someone who does hard industrial chroming, like the hydraulic
folks in the Yellow Pages.
Mine has held nicely on three gear legs (HDS) for four years.
CAVU jeff (yes, that $ is way out of range)
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rdewees(at)mindspring.com
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| Posted: Thu Jul 27, 2006 6:15 pm Post subject: strut coating |
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Jeff and Larry,
I shared your concern about the gear plates after reading of several
that separated from early 601s. My solution was to weld a triangular
gusset to front and back of the strut to plate junction. It increases
the welded area a lot and hopefully will prevent a problem from
occuring. I am enclosing two shots of my fix. Hopefully the pix aren't
too large for dialup users, but the detail may be helpful.
The fix isn't hard but removing the gear assembly from the wings is a
pain in the &$(&#*. Don't plan on doing it again any time soon.
Ron
LarryMcFarland wrote:
| Quote: |
Jeff,
I do appreciate your opinion and was concerned about chroming becoming
a cause for imbrittlement and possibly losing a gear plate
at the strut welds. Epoxy paint properly applied would probably do as
nice a job at the bearings for me, but plating seemed a bit risky.
I haven't changed the thickness of my gear plates yet and we've lost a
few to the plate thickness at the welds.
Larry
do not archive
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nfivesl(at)yahoo.com
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| Posted: Fri Jul 28, 2006 7:26 am Post subject: strut coating |
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I had my rudder pedals, steps and gear leg chromed
last February and I really like the results. Before:
http://www.cooknwithgas.com/2_02_05_PlatingParts.jpg
After:
http://www.cooknwithgas.com/2_19_05_Nosewheel.jpg
http://www.cooknwithgas.com/2_19_05_Pedals.jpg
I did make the gear plate slightly thicker. It has
held up well for over a year now with hundreds of
trips in and out of the garage (that was a joke).
I got the idea from seeing Jeff Small's airplane a few
years ago - Jeff has the nicest 601 I've ever seen in
person.
I paid just under $100 for all of the parts in that
box. Here's a tip - if you want it to be really shiny
and smooth, polish up the metal before bringing it to
the chrome place. They charge more for polishing. I
told them not to polish mine and I still like the way
it looks.
Scott Laughlin
Omaha, Nebraska
601XL - Canopy complete!
--- Jeff Small <zodiacjeff(at)msn.com> wrote:
| Quote: |
Mine has held nicely on three gear legs (HDS) for
four years.
CAVU jeff
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larry(at)macsmachine.com
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| Posted: Fri Jul 28, 2006 3:13 pm Post subject: strut coating |
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Scott, Jeff and Ron,
I really do like the chromed appearance, but I still sport the larger
wheel/tire combination and on landing/braking and turning the larger
diameter tires and wheels put considerable more stress on thin gear
strut plates. I've saved the images of Ron's gusset approach and
consider it a really solid solution which could possibly be chromed
after. Will look closer as painting progresses. Thanks for the
ideas.
Larry McFarland
N5SL wrote:
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rdewees(at)mindspring.com
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| Posted: Fri Jul 28, 2006 4:54 pm Post subject: strut coating |
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ron dewees wrote:
| Quote: | > Hi Larry,
> Thanks for the comments. I got no feedback and wasn't sure the pix
> got attached to the post. FWIW my gear legs were nickel plated, I
> was told by the guy I got the project from. I only have 140 hours on
> the legs so can't say they will last forever or not, but they take
> the bounces of a turf strip just fine. I also made a nylon plate
> with a hole in it to act as a bearing inside the upper strut mount on
> the wing but am not sure it's a cure all for dirt or wear. My plane
> is a taildragger so it gets possibly more weight per gear in a
> landing than a tri gear model.. The bungees are holding up just fine
> and it still sits at the same "neutral" spot as when I first hung the
> motor
> I took a good look at the ZAC welded plate at the strut and the
> weld is beautiful, but perhaps a little shallow. Jim Pellen's 601HD
> that lost a gear leg failed at the weld, altho a thicker plate than
> our 1/8 inch may have helped, or at least encouraged the welder to
> lay a thicker bead on the joint. I used aprox 3/16" angle iron from
> a bed rail to make the gussets and put a heavier bead on the pieces
> so I think it will strengthen the whole area. Time will tell. I
> don't see any reason why the whole strut couldn't be plated if you
> want to. It's all steel. I just sprayed mine with zinc chromate and
> a silver primer that matches the gear legs.
> Good luck.
> Ron
>
> LarryMcFarland wrote:
>
>>
>> <larry(at)macsmachine.com>
>>
>> Scott, Jeff and Ron,
>> I really do like the chromed appearance, but I still sport the
>> larger wheel/tire combination and on landing/braking and turning the
>> larger
>> diameter tires and wheels put considerable more stress on thin gear
>> strut plates. I've saved the images of Ron's gusset approach and
>> consider it a really solid solution which could possibly be chromed
>> after. Will look closer as painting progresses. Thanks for the
>> ideas.
>>
>> Larry McFarland
>>
>>
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rdewees(at)mindspring.com
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| Posted: Fri Jul 28, 2006 6:18 pm Post subject: strut coating |
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Correction to my last post-- It was Jim Olson's HD that lost a gear leg
and not Jim Pellen.
Ron
do not archive
ron dewees wrote:
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N601RT
Joined: 25 Feb 2006
Posts: 31
Location: Hillsboro, Oregon
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| Posted: Wed Aug 02, 2006 1:34 pm Post subject: Re: strut coating |
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Another 2 cents.....
My gear legs were originally powder coated. I WOULD NOT recommend powder coating gear legs. The powder coating on my gear legs added significant thickness, did not wear as well as I expected, and was not as uniform as the original surface. My gear had significant stiction (initial resistance to move, term frequently used when discussing motorcycle forks).
I believe the powder coating may have contributed to my gear leg failure on 12/16/04. I had 318 hours and 405 landings at the time. My replacement main gear legs have a extra supports added (see picture) and were hard chromed. I also added Nyoil bearings, from Zenith, at the top and bottom of all three gear legs when I did the repairs. The replacement gear operates more smoothly than my original gear.
My failed gear leg looked very much like the picture Tim Perkins posted. So much in fact that I checked my pictures to see if Tim had some how posted a picture of my gear!
Regards,
Roy
N601RT: CH601HDS, nose gear, Rotax 912ULS, Arplast PV-50, All electric, IFR equipped, 598.4hrs, 686 landings
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