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Old 04-25-2022, 07:02 AM
DanH's Avatar
DanH DanH is offline
Join Date: Oct 2005
Location: 08A
Posts: 11,216

Originally Posted by TShort View Post
Very cool.

I would be interested in some of the how you did it details…
Start by separating every part from every part. The big chunks went back on the trailer and were hauled to a sandblasting shop. Smaller stuff got a pass through my bead blast cabinet after protecting all sensitive surfaces, like bushings and shafts.

Next is repairing or replacing all broken or worn out parts. After ~80 years of airport apes, there will be some. Can't buy most of it, so it's all fabricated. The adjustment end plate in the brake photos is a good example. The pivot point had a large, badly worn slot. So, cut out that portion, weld in a new section, bore the correct hole.

Primer and paint is Richards single part industrial polyurethane. Brush on all the primer to really saturate the sandblasted surface. Sprayed most of the color.

If there's a catch, it's the weight of the parts. I used a Kubota with a front end loader to lift and position as needed.
Dan Horton
Barrett IO-390

Last edited by DanH : 04-25-2022 at 04:19 PM.
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Old 04-25-2022, 08:55 AM
spark68 spark68 is offline
Join Date: Apr 2013
Location: Lk Havasu City, AZ
Posts: 222
Default shear blade

Originally Posted by Nick Leonard View Post
I have a four foot shear that needs to have the blade sharpened. Any ideas on how or who does this sort of thing?
Shear blades usually have 4 sharp edges. Flip the blade to expose an unused edge, if not already used. Need to re-set the blade to blade clearance by shimming. Too little clearance will wear the blade edge quickly and increase the force required. 10% of the thickness of material to be sheared is about right.
Mark Curley

RV-6 status: finish kit
dues paid 2022
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Old 04-25-2022, 09:08 AM
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rv8ch rv8ch is offline
Join Date: Feb 2005
Location: LSGY
Posts: 5,107

Originally Posted by DanH View Post
Before and after. Whole lot of heavy lifting between those photos...
Beautiful work Dan. We took delivery of a very similar brake - brand new - in I believe '75 or '76 and it didn't look as nice as this. My brother and I spent many hours using that thing, "racing" another team on a similar one. We were paid the princely sum of $2/hour each. It was heaven!
Mickey Coggins
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Old 05-15-2022, 12:17 AM
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DanH DanH is offline
Join Date: Oct 2005
Location: 08A
Posts: 11,216

Third and final of the trio, a 42" Pexto slip roll.

Love that ancient extra chunky grease
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Dan Horton
Barrett IO-390
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Old 05-15-2022, 09:01 AM
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rv6ejguy rv6ejguy is offline
Join Date: Mar 2005
Location: Calgary, Canada
Posts: 6,446

Nice looking restoration Dan. Cool!

Ross Farnham, Calgary, Alberta
Turbo Subaru EJ22, SDS EFI, Marcotte M-300, IVO, Shorai- RV6A C-GVZX flying from CYBW since 2003- 462.1 hrs. on the Hobbs,
RV10 95% built- Sold 2016

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