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12-15-2008, 09:38 PM
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#1 |
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Super Contributer
 Join Date: Sep 2007
Location: Norcross, GA 30093 USA
Posts: 121
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Sundowner F1 tuned pipe
Does anyone have the H9 Sundowner F1 with Evolution 26 or 35 gas with tuned pipe. I just started building the Sundowner and I have the Evolution 26gx with tuned pipe from Horizon Hobby. I have a couple of DA50s and one Evolution 45gx2 with pitts mufflers. Any information on tuned pipes and the Sundowner would be appreciated.
Thanks, George G. Royal |
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12-16-2008, 08:27 AM
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#2 |
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Need...more...POWER!!!
 
Join Date: Aug 2008
Location: Medina OH
Age: 44
Posts: 1,108
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Re: Sundowner F1 tuned pipe
No help on the pipe, but I'm curious to know if a DA50 fits in the cowl. Got a buddy flying the little 'downer wanting to make the step up to gas/giant scale, and he drools over my DA- and refuses to put anything in the air using the 'manufacturer recommended powerplant
 I told him to go with the F1-legal evo 35 but he has a problem with me having a bigger engine  haha.As a side note, USRA does not allow tuned pipes (Rule 4.7.2), if you plan to race. |
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12-17-2008, 03:03 AM
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#3 |
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Super Contributer
Join Date: Sep 2007
Location: Norcross, GA 30093 USA
Posts: 121
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Re: Sundowner F1 tuned pipe
Evolution replaced the 35 with a 40. There are Sundowners with DA50s, you have do a lot more cutting on the cowling. The weight is about the same, but the Evolutions turn over 9000 rpm. I have 2 DA50s and with the carb modification, they are really smooth running engines. The DA50 is not for high speed planes, but I can hover all day in my AW Extra 260 or PAU Edge 540. If you want speed, go with the Evolution engines. I chose the 26 because it weights about a pound less and that is the recommended gas engine. When I fly the Sundowner, I will post the results.
Last edited by ggroyal1117; 12-17-2008 at 03:08 AM. |
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12-17-2008, 03:11 AM
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#4 |
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Super Contributer
Join Date: Sep 2007
Location: Norcross, GA 30093 USA
Posts: 121
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Re: Sundowner F1 tuned pipe
Here are some pics
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12-17-2008, 07:14 AM
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#5 |
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Need...more...POWER!!!
Join Date: Aug 2008
Location: Medina OH
Age: 44
Posts: 1,108
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Re: Sundowner F1 tuned pipe
Very nice, and thanks for the info. I'm going to link this thread to him. I didn't know the evos turned that fast, he'll like to know that as well.
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12-25-2008, 04:38 PM
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#6 |
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7 KCAB driver
 Join Date: Jul 2006
Location: Waterloo, Iowa
Posts: 15
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Re: Sundowner F1 tuned pipe
What carb mod are you referring to on the DA 50? Thanks.
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