Sportsman .15

JPvelo Wed Jun 20, 2012 6:19 pm

Just picked up a sportsman .15 from eBay, what size prop should this thing spin?

EXModelEngines Wed Jun 20, 2012 6:27 pm

You can run anything from a 7x4 to a 9x4 and most in between on that engine.

Best Regards, Matt

JPvelo Wed Jun 20, 2012 7:18 pm

Thank you. This thing likes to start backwards, what's the best way to avoid that?

EXModelEngines Wed Jun 20, 2012 7:57 pm

JPvelo wrote:Thank you. This thing likes to start backwards, what's the best way to avoid that?

Cox did make a spring starter for this engine. The only issue is they are relatively hard to find. This would most likely solve your starting backward issue. The other way would be to use an electric starter. I usually would say no to that on a Cox, but this it a big enough engine where it could handle it.

Matt

Jason_WI Wed Jun 20, 2012 8:00 pm

Matt beat me to it.

Add a starter spring. This will help to get it going the right way.

**Cribbs74** Wed Jun 20, 2012 11:49 pm

Try starting it to the right. It may fire off in the correct direction.

John Goddard Thu Jun 21, 2012 4:47 am

With my 09 rc it needs the briefest of bizzt from the starter and she's away.
Non of that 'APC finger' or backwards running.
See my first 09 cox utube which shows in graphic gory detail why OS say
'use a starter not your finger' in their manuals
these days.

Affraid or WOW!

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