Added: Nov 18, 2008
From: hobbico
Duration: 1:17
The 91HZ offers the tuning ease and performance consistency of the multi-time world champion 91SZ-H and design innovations that promote improved cooling, a tighter compression seal and tuning ease.
Channel: Tech
Tags: 91 91hz engine f3c heli helicopter hz o.s. os pumped r/c rc
Rating: 4.00 (2 ratings) Views: 313' favoriteCount='1 Comments: 0