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any tips for best tail grip bearings?

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  • any tips for best tail grip bearings?

    I recently spent a bit of money getting my 450 sport v2 back in the air, flybarless this time. The mini vbar seems to be doing its thing rather nicely, but I've had no end of problems getting the tail to hold.
    I'm using a MKS Ds95i servo for the tail, with the original tail parts, and on the first occasion of flying, the tail held for the first flight or so, then lost all authority and I had to mini auto to the ground. On inspection, the pitch slider was (commonly) slightly sticky, so I dismantled and found a destroyed bearing (the outer one on the tail grip). I see it's a common problem that the bearings go in the 450 sport tail grips, and replaced it (foolishly with the align ones I had in the spares drawer). Tail slider felt smooth once more, so I took it out again today, only to have very similar loss of authority, particularly for right rudder moves.

    I plan to replace the bearings with quality ones.

    So, does anyone have some good advice on what ones to go for? Is it possible to replace with thrust bearings? (I'm guessing not due to sizes - there seems to be a thrust bearing grip available on the market, but I'd rather stick to the one I have) - I've spent so much on this heli now, and don't want to keep spending on it while I have the logo to fly.

    If you have had great results from the bearings you found, please advise. . . Maybe even a link of where I will be able to get them?

    I really want to enjoy this heli, but don't want it to cost the earth every time I fly it.
    Raptor G4 - Radix 690s, OS 91HZ, Spartan Vortex v3, MKS HV servos, OptiFuel 20%
    Logo 600sx - Edge 603s, Turnigy 120HV - Scorpion 4035-500 - Mini Vbar - Savox servos
    Logo 550sx - Edge 553s, Turnigy 100LV - Scorpion 4025-1100 - Mini Vbar - Futaba 451/251s
    Blade 130X moneypit shelved

  • #2
    Go to SMB and ask for SKF bearings, they are the best. If SKF are not available, ask SMB for their best quality ones they have.

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    • #3
      I would go with the tail with thrust bearings if I were you, solved my problems.H45T002XXT 450 Metal Tail Rotor Holder£14.40 but you can spend that on bearings in no time, let alone what it costs if a bearing failure causes a crash.
      Last edited by Nitro Head; 23-05-2013, 09:51 PM.
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