Pic 3 is without the glow plug and you can see that the thread has not been cut the full depth of the hole. However, if I am hovering with I would guess 1900 on the head using the throttle curve and then engage the govenor which is set to 1750, the engine goes very lean and nuts off for 5 - 10 secs before settling back to 1750.If I cut straight to idle up 2 where the govenor set is to 1950 there is no problem The. MR6902-ZZC PS2 THUNDER TIGER ENGINES, PRO 46M, 46 THUNDER TIGER ENGINES, PRO 50H-R 50 THUNDER TIGER ENGINES, REDLINE RL-53H, 53 THUNDER TIGER ENGINES. When running on the curves the 53 runs well. You can see the glow plug is the same depth. Arceye I have had the same problem as you. Pic 2 is with the glow plug and 2 copper washers. As it turned out that heli ended up in an MD530 fuselage and to be honest the Hyper is perhaps a little too much motor for it, they like to rev, but the body resonates like hell with the motor on song. Pic 1 is with the glow plug and 1 copper washer.
Probably the most popular would probably be the OS 50 Hyper, closely followed by the TT.53 Redline.įor the record I elected to go Hyper when I converted my Raptor from. Other than that all are relativly good choices. Some high performance motors there! Out of all of them there is only one I would avoid, that being the TT9605 Thunder Tiger 50H, they have been known to suffer tuning problems and often require reworking of the main needle in order to get them tunable. W-1025HX : Webra Speed 52 AAR Heli Engine TT9606 : Thunder Tiger Pro-53H Redline Engine I am not looking for top performance at all cost but more for a reliable longer lasting engine for sport flying.Įven among the brand themself are several choices.
Thinking to upgrade my trusty raptor 30 to a 50 engine so i like to hear some opinions on what engine to choose.