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Cox Engine of The Month
March-2024
balogh's

"COX Budapest" .049 engine



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Post  ian1954 Sun Jul 28, 2013 5:03 pm

This is built using some Cox components but as far as I can see - only the crankcase (which is modified), the piston and conrod. The NVA looks like it may be original.

It still looks "Coxish".

The backplate is brilliant. Easy to undo with squared slots.

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The venturi is custom made to suit diesel fuel. The inlet is smaller.

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Here are the all round views.

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and here it is ready to be started.

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That is a 7x6 propellor. I also decided to use my new toy to start it. My hands and fingers ached after gardening this weekend!

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Post  Cribbs74 Sun Jul 28, 2013 8:20 pm

Cool Ian,

Looks like a .049 version of the .15 MKII. Can't view the video though. That's the second time in 2 days....... Both of them from Europe too.
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Post  ian1954 Mon Jul 29, 2013 4:09 pm

I will be converting this engine to RC for some more "Round the Pole" flying but it still needs breaking in.

The delrin carburettor body is too weak for the job - so I adonised one of the cnc jobbies to mach the crankcase.

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Post  getback Mon Jul 29, 2013 5:01 pm

nice looking engine man caught a little of run large prop but didn't seem to have a problem with it , seen the round and round that was crazy man ! enjoyed thanks; Eric
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