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Thundercat 31 new motor prop size? - 9/4/2012 11:10 PM   
Fireproguy


 

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I have a thundercat 31 with an ops .45. The boat stock is Prather 215 but I have the .45 now. What should I be running? Using 20% fuel

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RE: Thundercat 31 new motor prop size? - 9/5/2012 2:32 AM   
rcguy1411


 

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Try a x447 / 3 or x450/3

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RE: Thundercat 31 new motor prop size? - 9/5/2012 11:44 PM   
advanced builder



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I've tried the X446/3 billet in my 45 JAE rigger ,works nicely
http://kintecracing.com/CNC_Machined_Props.html


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RE: Thundercat 31 new motor prop size? - 9/6/2012 8:26 PM   
Fireproguy


 

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Is going to run the same As a rigger ?? I have more surface in the water than you. What manufacturer is x447 or x446?

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RE: Thundercat 31 new motor prop size? - 9/7/2012 12:19 AM   
advanced builder



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Octura ,Here is the number to call and get a Free catalog Call them tell them you want to order. NO internet service The X series is a lifting prop .
,847 674-7351
or order here
http://www.funrcboats.com/prop_chart1.htm


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RE: Thundercat 31 new motor prop size? - 9/9/2012 2:57 PM   
catman_grrrrr


 

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I have a Axe/Rossi .45 in mine..a Prather 230 puts me at bout 45...I am running a self modded 245 now puttn me at 55-57...a 240 might work well..if it loads up a lil might try a small barr cut..have a x455 modded I haven't tried yet..because of the filler they use where the stuffing tube comes out of the bottom it limits you on strut height...I cut mine out and reglassecd to give me a lil more..here's a vid with the 245 on it..a lil windy that day and sucks with out a camera man[youtube] http://www.youtube.com/watch?v=WVUH7wGuoXk&feature=relmfu [/youtube]

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RE: Thundercat 31 new motor prop size? - 9/12/2012 3:13 AM   
wave waker


 

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prather 245 with .45 OS hitting 50ish..

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RE: Thundercat 31 new motor prop size? - 9/13/2012 5:21 PM   
Ron Olson



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Octura X series 447, 448, 450 or 646/3.

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