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» Cox .049 Tee Dee engines back in stock (limited availablility)
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"ULTIMITE COX 010: it has a clutch, E starter, throttle, exhaust, aluminum tank, aluminum venturi, gearbox with forward and reverse, and now its on a custom drawn and printed stand"



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Post  rsv1cox Mon Apr 24, 2023 2:24 pm

But it's nicer to have friends.

Thanks Kim and Cox International.

It's nice to have stuff........ P1015304
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Post  Kim Tue Apr 25, 2023 5:35 am

Got to keep the Fun going!!!!

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Post  getback Tue Apr 25, 2023 6:34 am

That's Good to have the handle that was with the plane when new way to go Kim !! One thing i don't have right yet is the control handle seems it would bee cool to have that speed control in the air and the idle to take off at the line time will tell stating GARDEN right now DUH ! Very Happy Ouch !
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Post  rsv1cox Tue Apr 25, 2023 9:16 am

I have tried to find one of those circular wire springs and throttle sleeve for the Ryan but no luck, still looking.  It would be nice to take advantage of the speed control handle that Kim sent me.  Got most of the wrinkles in the tail section worked out but still a work in progress.  Ryan will be in traction for awhile.  

It's nice to have stuff........ P1015307
It's nice to have stuff........ P1015308

Went to Walmart this morning looking for paint.  Can't find an exact match.  Thinking the gloss light blue.  Nothing is removing the stains, so paint it is.

It's nice to have stuff........ P1015306
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Post  akjgardner Tue Apr 25, 2023 9:24 am

I was wondering how you were going to fix the wavy parts . Did you heat them and then clamp them ?
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Post  rsv1cox Tue Apr 25, 2023 9:35 am

akjgardner wrote:I was wondering how you were going to fix the wavy parts . Did you heat them and then clamp them ?

I heat the wood with a heat gun and clamp on both sides while hot.  Heating the plastic can be disastrous.  Might take several times but patience pays.  Heat cool, heat cool.  Never, ever going to be like new though.
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Post  akjgardner Tue Apr 25, 2023 9:38 am

rsv1cox wrote:
akjgardner wrote:I was wondering how you were going to fix the wavy parts . Did you heat them and then clamp them ?

I heat the wood with a heat gun and clamp on both sides while hot.  Heating the plastic can be disastrous.  Might take several times but patience pays.  Heat cool, heat cool.  Never, ever going to be like new though.
. That’s a good trick , I’ll have to remember that one
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Post  944_Jim Tue Apr 25, 2023 11:49 am

Bob,
Have you got the three-wire bellcrank assembly as well? I understood this model was built un-throttled as well as throttled. I don't know if this is a matter of build-date/production time frame, or side-by-side off the line.

I bet if you were provided good numbers, you could basically replicate it. I know of one assembly in good shape...hint, hint, hint.


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Post  rsv1cox Tue Apr 25, 2023 12:18 pm

I think I have one, just have to find it.  Seems this one has the hole in the case but not the three wire bell-crank. Curious.

It's this that I'm looking for, thanks to duaneh for posting the picture.

It's nice to have stuff........ Hole_i10
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Post  roddie Tue Apr 25, 2023 2:23 pm

Hey Robert! Not sure how much info. you have on this model.. so please excuse my admissions if you already have them.

From my files/photo-archives..

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It's nice to have stuff........ Cox_th14

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You may or may not know, that Cox only made a couple of C/L airplanes that used their reed-valve .020 engine equipped with a plastic backplate/NVA/reed-valve housing assembly, for an external fuel tank. Your Ryan ST-3 is one.. and AFAIK their little PT .020 Army Trainer is the other.. and I'm guessing that they come from the same moldings.

It's nice to have stuff........ Rt_frn12

Your photo (below) shows some parts soaking in a bowl (upper-right).. which looks to contain that red Delrin backplate.. and what looks like the "main" bellcrank.

It's nice to have stuff........ P1015310

There should also be a "throttle" bellcrank and a line "slack-adjuster" (see the "Synchro-Pilot" handle packaging photo)
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Post  rsv1cox Tue Apr 25, 2023 5:11 pm

Thanks roddie. I have had chances to buy both versions and passed them buy. Forgot the golden rule - The time to buy something is when you see it. Maybe I knew one day this special edition would arrive thanks to Joe's generosity. Lot more fun than one in perfect condition.

Yes, standard bell-crank, forgot what that little hook on one end is for. Only thing cleaned here is the basic motor. It will get a new black Cox prop. original other than that.

It's nice to have stuff........ P1015309
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Post  roddie Tue Apr 25, 2023 7:17 pm

rsv1cox wrote:Thanks roddie.  Yes, standard bell-crank, forgot what that little hook on one end is for.  

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That "hook" on the Cox bellcrank is there for when you have no one to "pit" for you. A short (2-3 foot length) string is anchored to the ground with a "loop" tied on the free-end.. which attaches to that hook. Pulling "up-elevator" releases the loop and the model.
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Post  rsv1cox Wed Apr 26, 2023 7:19 am

Thanks roddie. "A memory is a terrible thing to waste." Smile Got it now!

I tried 91% alcohol on that wing stain, didn't help so I used Berryman's. If that doesn't do it nothing will and it didn't. Hate to paint it, but the staining and repairs will make it necessary.
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Post  NEW222 Wed Apr 26, 2023 11:24 am

Well, I am honestly quite surprised that even you could not get the staining off. Shocked I guess that it is possibly just that old and 'impregnated' into the plastic. Too bad.

As for the reshaping of the plastic bits. I too find it very interesting about heating up the wood and not the plastic. Still learning something new every day! Thank you for the trick!
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Post  rsv1cox Wed Apr 26, 2023 12:31 pm

It's not a cure-all but it does help.

Heat causes expansion, cold causes contraction.  I have thought half jokingly to apply ice cubes to the distortion.  Dry ice and compression might actually work to contract the molecules back to their original positions within the plastic.   Don't know.  

A little more progress.

It's nice to have stuff........ P1015311

SOP for me now, pass a pin through the NVA removing all the castor/corrosion goo followed by aerosol Remoil spray and a compressed air blowout.  Aerosol straw and plastic cement replaces the broken nipple.  Flushed out the tank with 91% and blew dry with compressed air.  Straw a very tight friction fit backed up with the cement.  

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Little guys took a Berryman's swim.  Did a great job cleaning off all the dirt/castor but also removed most of the paint.  Might farm them out to one of the kids for a repaint.  Might not.  

It's nice to have stuff........ P1015318

It's nice to have stuff........ P1015316
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Post  rdw777 Wed Apr 26, 2023 3:27 pm

Looking really good Bob!..,I wouldn’t know where to start on plastics rehab…. The tank nipple repair looks good Thumbs Up …. Berryman’s did a good job cleaning as well…Did you ever notice if the prop was left hand?…. It looked like it from the photos…. Just curious because of the recent discussion on LH props on PT-19’s
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Post  rsv1cox Wed Apr 26, 2023 6:37 pm

rdw777 wrote:Looking really good Bob!..,I wouldn’t know where to start on plastics rehab…. The tank nipple repair looks good Thumbs Up …. Berryman’s did a good job cleaning as well…Did you ever notice if the prop was left hand?…. It looked like it from the photos…. Just curious because of the recent discussion on LH props on PT-19’s

Yes, LH prop with a backwards curve easily cured.  Heat, weight and wait.   I might be able to save it afterall.

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I managed to get the single windshield off without breaking it.  I have some sheet plastic but it's rather thin.  I might be better served by a plastic bottle of some sort.  

It's nice to have stuff........ P1015320

I could paint tomorrow.
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Post  944_Jim Thu Apr 27, 2023 9:11 pm

Still looking for the instructions...they happen to be Ryan-centric. It's nice to have stuff........ Img_2137
It's nice to have stuff........ Img_2135
It's nice to have stuff........ Img_2136

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Post  944_Jim Thu Apr 27, 2023 9:24 pm

And a larger one in action:

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Post  rsv1cox Fri Apr 28, 2023 7:17 am

Thanks for those pictures Jim, gives a better understanding about how it works.  Complicated little assembly.  I took Kim's three-line handle apart just to see.  Not much comes this way that doesn't get disassembled.  

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Also made a test windshield out of sheet plastic.  Traced an outline using the original windshield and found a bottle with the same curve.  Cut it out and taped it on, heated it with a heat gun and was surprised how well it came out and held it's shape.

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Not so happly with the alignment of the broken mounting post.  Jagged end that did not fit well.  Testors red tube.  Got to break it off insert a toothpick guide and re-do it.

It's nice to have stuff........ P1015327
It's nice to have stuff........ P1015328

Edit add:

Did and done. Perfect alignment now. But those wrinkled panels are proving to be a challenge.

It's nice to have stuff........ P1015329
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Post  rsv1cox Mon May 01, 2023 5:07 pm

Somewhere in there is a Cox Ryan ST. Fresh out of paint that has to cure before assembly.

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Post  rdw777 Mon May 01, 2023 6:33 pm

Looking great Bob….Looks like you found a very close match on the blue…. That is certainly a neat little bird…. Due to its uniqueness I can nearly see this one in its own shadow box with the handle in one corner and maybe some other memorabilia in the others…. Looking forward to see how it turns out !! Small Cox Logo Very Happy
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Post  akjgardner Tue May 02, 2023 4:39 am

That’s looking good Bob, painting it was definitely the right choice, Can’t wait to see it finished.
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Post  rsv1cox Tue May 02, 2023 3:43 pm

akjgardner wrote:That’s looking good Bob, painting it was definitely the right choice, Can’t wait to see it finished.

Sorta............

It's nice to have stuff........ P1015337
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Post  GallopingGhostler Tue May 02, 2023 3:53 pm

Bob, figuring what you started out with:
rsv1cox wrote:It's nice to have stuff........ P1015307
and results after painting:
rsv1cox wrote:It's nice to have stuff........ P1015335
I'd say that you did a good job of matching original colors and restoring the finish on age marred plastic. Thumbs Up

Based on your works with the Wen Macs and Gilberts, which you in many cases were able to salvage and restore without painting, this time your finish on an otherwise unable to restore finish candidate came out very well. cheers
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