Flea market find

Good free flight engine.

That's what, a little over 2 $USD. Nice engine and a great find.

I have it's brother, a mess when I got it. Painted the cylinder with high heat red, same left-over color as on one of my old MG's engines.




They might have rolled off the same assembly line together Lieven.

Thanks for your comments.

rsv1cox wrote:That's what, a little over 2 $USD.  Nice engine and a great find.  

I have it's brother, a mess when I got it.  Painted the cylinder with high heat red, same left-over color as on one of my old MG's engines.  




They might have rolled off the same assembly line together Lieven.  

I saw your thread of 6 years ago about your engine.

Time repeats itself.  I had forgotten all about it.  They all run together, I have done several similiar engines.

Edit add.  

Found it, took me awhile after punching in McCoy in the search function.  I paid $11 for it.  You got the better deal.  

https://www.coxengineforum.com/t8321-odd-mccoy-049-model-5-maybe?highlight=mccoy

Oh yes, that undrilled mount!!!! Gotta be worth a million bucks or $2.38 USD.

That was a steel , are you going to see if it will run I got to look in on ur boat thread , maybe tomorrow just taking a short break from a Toro/Wheelhouse i am trying to get straightened out

getback wrote:That was a steel , are you going to see if it will run I got to look in on ur boat thread , maybe tomorrow just taking a short break from a Toro/Wheelhouse i am trying to get straightened out

Yes Eric, I would like to run it. I'll take the tank off to see if it has seen fuel at all or not and whether it was stored -or forgotten- with fuel still in the tank or not. Then give it a methanol clean and hopefully, the glowplug is still OK.

Today, I removed the tank and the back plate. In fact, they came off in one piece. Both are clean and also the crankcase did not have any gunk. I cleaned tank and engine with alcohol and a cotton butt. I tried the glow plug but that didn't lit up. After dismantling the head, I found there was no electrical contact between the glow head and the anodized finned screw. Lightly sanding the surface did the trick.

Nice Score!!!!!!!!!!!!!!!!!!

TRIAL DAY !!!  I ran the engine a bit rich but all went well. The tank empties quickly and as Ken said, ideal for free flight.

OVERLORD wrote: I tried the glow plug but that didn't lit up. After dismantling the head, I found there was no electrical contact between the glow head and the anodized finned screw. Lightly sanding the surface did the trick.

This problem might give you some confidence that the engine may have never been run, because the insulated plug may have always prevented it from starting. I'm not sure if this is the likely case here, but I know that the first ever engine I bought was an Enya .09 that the original owner "could never get to start". The original Enya plug wasn't working and it turns out that the insulating washer under the top screw-on thimble of the plug was missing, causing the thimble to short out to the body of the plug. A new fibre washer was fitted and the engine never failed me again. Another similar case was an OK Cub .060 I got off eBay quite cheaply. It wouldn't do more than burn off the prime. I eventually discovered that the brass insert for the needle valve had never been drilled to allow metered fuel through. The engine could have never run like that. A replacement tank insert resulted in an instant start. Another OK example (giving rise to the theory that OK Engine had serioius quality control issues) was a new looking .049B which would not run, with the cause being that an unported crankshaft had been fitted from new. May have missed the porting process, or someone fitted a reed valve crank to the FRV engine.
I've heard of other issues such as a baffled piston or a liner assembled the wrong way. Engine never runs, owner gives up on it and eventually moves it on, hopefully to someone clever enough to sort out the problem.

Good deal , got it running without much trouble of cleaning .

I truly enjoy seeing posts like this. It's a great feeling that your purchase was very reasonable and that it also works. I know you will be able to get this on something unique and it will certainly be cool lofting around. Kim has his old collection of planes and they just keep going and going. Different engines on some of them give them a whole new attitude and experience.

Maybe it’s my eyes, but it appears there is a lot of aluminum residue in that exhaust oil. If so something is amiss.

I am glad you got it running!

Ron

Thanks Rod for sharing your experience with poorly finished new engines.

I also noticed that the castor residue was very dark coloured. I opened the backplate again but didn't see anything abnormal. The only thing I can think of is that it could come from where the crankweb rubs against the crankcase as the prop pulls the crankshaft forwards. If Rod is correct and this engine has never run, there might be a burr in the crankcase from the main "journal". If it would be that, the black castor should dissappear in time, correct?

Great Post. Like Ken, I really enjoy these posts with old engines, like old engines I havent seen before. One way you can check is to use bearing blue to see if things are touching. Some people use a texta. Doesnt really work with a running engine though and sometimes things only touch when running. That means you need to go looking for little shiny spots on surfaces or like a little scratch mark that isnt from machining. Use a really strong light and magnifying glass, Ive got one of those magnifying lens lights where its all built as one. I have had engines do this and it goes away when the high spots or such are worn down. Not ideal, but at least the engine is running and looks Great!

Yabby