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Quadra 42 what spark plug to use - 12/28/2010 1:50 PM   
joeskeeter


 

Posts: 214
Score: 100
Joined: 10/6/2010
Last Login: 8/7/2012
From: Vidalia, GA, USA
Status: offline 		Older motor that has the rcexl ignition.
It's a small plug.
Plug recoomendations for this motor please !
Going on a ultraspadstik build.
Getting close to mounting engine as soon as the fuel tank arrives.
What plugs are you guys using, I plan on trying a 20x8 prop and an 18x8 prop on it.
Also on the ignition battery, rcexl says to use a 4.8v 800 to 1200 mah battery.
I found a 1100 mah at onlybatteries.com thatis  priced pretty good.



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RE: Quadra 42 what spark plug to use - 12/28/2010 2:33 PM   
joeskeeter


 

Posts: 214
Score: 100
Joined: 10/6/2010
Last Login: 8/7/2012
From: Vidalia, GA, USA
Status: offline


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RE: Quadra 42 what spark plug to use - 12/28/2010 3:40 PM   
w8ye



Posts: 36438
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Last Login: 5/22/2013
From: Shelby, OH, USA
Status: online 		There are several plgs that would work on this engine.

What is the number on the plug that is in the engine.  Does this plug fit the plug cap?


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RE: Quadra 42 what spark plug to use - 12/29/2010 12:20 AM   
joeskeeter


 

Posts: 214
Score: 100
Joined: 10/6/2010
Last Login: 8/7/2012
From: Vidalia, GA, USA
Status: offline 		The plug is   Denso U20M-U.
I've never seen one of these.
I'm concerned the ignition plug cap might not work with
a diffrent head.
I called Bennett Built today and Mr. Bennett is out of the store until February 21.
And I'm getting close to finishing the SPAD and I sure would like to fly
it before then, and also would like to put a new plug in the motor since it has
been sitting for awhile.


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