Need help identifying needle valves

Cox International Fri Dec 18, 2015 5:28 pm

Does anyone know what engines they are for? The two in packaging seem to have female threads and the unpackaged one does not seem to a Cox-size thread.

Need help identifying needle valves Needle12

Need help identifying needle valves Needle12

Need help identifying needle valves 1037_n10

Need help identifying needle valves 1039_n10

happydad Fri Dec 18, 2015 5:42 pm

Cox International wrote:Does anyone know what engines they are for? The two in packaging seem to have female threads and the unpackaged one does not seem to a Cox-size thread.

Bernie: The first one looks like a McCoy-Testors or a O.K. Cub needle. Or maybe Wenmac. I would wait for Mudhen or Rusty to reply. They are the pros.

If the 3rd one has a flex spring it may be an Atwood needle. One of the Atwood designers worked for Cox for a while. It looks like the one I had on my Atwood-Wenmac Outboard Marine Engine.

happydad RC Plane

Oldenginerod Fri Dec 18, 2015 11:43 pm

I would suggest that the first is either Atwood Wasp etc. or Holland Hornet. Definitely not OK Cub and incorrect knob design for Testors/Wen Mac .049.

The middle picture, having an internal thread, looks more like OK Cub. The third one just looks like a sprung version of number 2.

Rod.

happydad Fri Dec 18, 2015 11:51 pm

Oldenginerod wrote:I would suggest that the first is either Atwood Wasp etc. or Holland Hornet. Definitely not OK Cub and incorrect knob design for Testors/Wen Mac .049.

The middle picture, having an internal thread, looks more like OK Cub. The third one just looks like a sprung version of number 2.

Rod.

Rod: I have had a couple of McCoy Testors engines with a very similar needle to the 1st picture. That's the only reason I said McCoy testors, and the 3rd on is very similar to the Atwood marine needle which flexed in the middle. Could be someone used a different 0-80 needle on the Atwood. And none of the several wasps I had used a needle with a plastic knob attached.

happydad something happens when you get old, but... I can't remember what it is. anon.

Cox International Sat Dec 19, 2015 12:07 pm

Thanks for the replies.

We have some OK Cubs and Testors at the office and I will check on Monday.

This is another needle we inherited:

http://coxengines.ca/cox-.15-conquest-rc-needle-valve.html

which someone identified as being for the Conquest engine, although the Conquest we have at the office seems to have a smaller knob. But hey, the needle fits.

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