http://www3.towerhobbies.com/cgi-bin...?&I=LX1539&P=0 APC 9x6.5 40 pylon
this is a great prop for this engine with the stock muffler and the kobra.
run this prop with the macs pipe below.
http://www3.towerhobbies.com/cgi-bin...?&I=LX1540&P=0 APC 9x7.5 40 pylon
http://www3.towerhobbies.com/cgi-bin...?&I=LXZ558&P=0 Macs 32 tuned pipe non muffled get the muffled if need to tone it down some.
http://www3.towerhobbies.com/cgi-bin...?&I=LXZ607&P=0 OS 32 header cut to length.
Bigger i have had a few of those LR-1's all with Jett 35 LX FIRE's. here is a video. i didnt know i was getting filmed though so wasnt doing anything special. It was running a 8x7 APC at 21,000 or so on the ground.
http://www.youtube.com/watch?v=jYFfBags08M