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Help! Need a needle valve

Post  fit90 Mon Mar 21, 2016 3:20 pm

Need a needle valve Dc10

HELP!  I need an NVA for this.  It is a DC 0.5 cc.  I do not need an original NVA, just something to make it run.  Any and all help is greatly appreciated.

Thank you,

Bob
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Help! Re: Need a needle valve

Post  EXModelEngines Mon Mar 21, 2016 5:22 pm

Any idea what the thread is Bob?
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Help! Re: Need a needle valve

Post  ian1954 Mon Mar 21, 2016 7:37 pm

Peter advertises these regularly.They are fully adjustable to centre the hole in the spraybar.

http://www.ebay.co.uk/itm/model-aircraft-engines-universal-NVA-/291712528258?hash=item43eb6bef82:g:pVMAAOSwstxVFt4a

Need a needle valve _57_210
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Help! Re: Need a needle valve

Post  fit90 Tue Mar 22, 2016 8:04 am

Matt,

I have no idea. It is a tiny little thing. I might try the needle from something else to see if I even have something small enough to get an idea of size/thread.

Thanks

Ian,

I saw that from another post. I noticed that he specializes in these types of engines. I will contact him and see if he ships to the U.S.

Thanks,

Bob
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Help! Re: Need a needle valve

Post  fit90 Thu Mar 24, 2016 8:28 pm

I think that I have solved this problem twice. I have found that the needle from an MP Jet .061venturi is the same size and thread as this engine. Only, the needle is too long. Any way, I had an entire NVA in an MP Jet .061 venturi that I stuck in the Dart and it worked beautifully! I also won an NVA from the seller Ian recommended. Thank you, Ian. That tip was greatly appreciated. When I got the engine it was frozen up and missing the needle of the NVA. Now it is a running engine. This was my first true diesel that I got running. After I got the compression in the proper range it was surprisingly simple and easy. With a Top Flite 7x4 wood prop it was running between 8900 and 9000 RPM very steadily. I don't even want to guess how long it would run on an ounce of fuel. Regardless of how long it ran, it was rock solid. I am looking forward to seeing this little gem pulling a plane around some day. The plane will have to be pretty small and light, though.
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