my McCoy engines

pkrankow wrote:The mergers with the washing machine are amusing.  

Nice engines

Phil

Thanks Phil.... Yes... I shot a bunch of photos today... some have the "dryer" backdrop!!!

I'm guessing that the .35 was at least "mounted" in an airplane at one time... I haven't... but a previous owner "skillfully slotted" the frt. mount holes (better seen in the 1st pic) for a model that had once used a diff. engine; I suspect...

Now I'm wondering... if the mount spacing "now matches" that of say; a Fox .35...?

I have 3 McCoy .19 Red-Heads. My dad gave me one a few years ago.. and I got two more last year in a "box of engines" that a fella down the road gave me. The latter two have "lightning-bolt" crankcases.. and were extremely dirty. I gave them a soak in the crock-pot with ethylene-glycol.




The red paint came off from the hot-soaking.. but I knew that might happen. Maybe some VHT engine enamel will take care of that..

Here's a photo showing the difference between the engine my dad gave me.. and the one with the lightning-bolt type-case.




I was able to remove all of the 4-40 head and back-plate screws without incident. I was lucky.. some were in rough shape.

Looking at all three engines from the back-side, I notice that only one of them has the plastic cap on the crankpin..



The two engines "without" the caps, don't really show any wear to the inside of their back-plates. I believe that they "all" should have that cap. I hope I can either "find" some or make them somehow.

I sourced some 4-40 socket-head cap-screws to replace the screws that came out of the engines. I'll need a couple of NVA's too. The NVA's differ between my two engine types.

Thanks guys, Yes.. I remember Chellie. I saved a CEF thread of hers to a MS Word doc. on her tips for servicing/repairing McCoy engines.

see link below..

https://www.coxengineforum.com/t8180-a-few-tips-i-have-learned-on-restoring-the-19-to-40-red-blue-head-mccoy-engines?highlight=McCoy

I also have a wealth of info from Ken Cook that I have saved over the years. (Thanks Ken!)

I suppose I could try to make the nylon button/crank-throw spacer. I have a few diff. size nylon screws around my shop.

As mentioned; I sourced some 4-40 socket-head cap-screws for the engines. The (x4) "short" head-screws and (x4) backplate screws have a 1/4" thread-length. These are a fairly common size at a well-stocked hdwe. dealer. I found them at my local "Ace Hdwe."

The (X2) "long" head-screws however.. have a 13/16" thread-length. The longest common length that I could find in the socket-head configuration was 3/4".. so I went to my local "Fastenal" dealer and bought a box (100) of 1" thread-length black-Oxide socket-heads. I will trim them to the length that I need.. and many of my other engines also use that size.

Thanks for bringing up McCoys roddie, gives me a chance to go over old photos of examples that I bought during my McCoy obsession.  

I remember Chellie too, I think I contributed greatly to her gasket sales.  I remember she was quite generous with the nylon buttons.



I heated most of them in A/F, then disassembled destroying most of the gaskets.  I found it best to heat them half way, then loosen all the machine screws, then finish boiling.



Then I would "sand" blast the case and head and reassemble,  evens the finish out.  Later I learned to work the finish down to a more factory like finish using a light oil and fine steel wool.



The "lightning" bolts had bronze bushings, the others did not.



I ran most of them.





Lot's of variety in these McCoys.



The series 21's are a particular favorite of mine.



Bob

Thanks Bob, Some helpful info. there!