T-34 tail rotor

matelot · Extreme 3D Joined: 09 Jan 2012 Posts: 106 Location: France

Hi, everybody, from an ex-pat Englishman living in France - and early retired. I've recently stopped flying light aircraft from a French airfield, and always fancied a model chopper. Well, Santa was listening, and a T-34 came my way!

I have to say what a lovely piece of bomb-proof kit it's turning out to be. The only drawbacks so far are the sharp main rotor leading edges which cut through the rubber and deform, and forward thrust.

In respect of the latter, T-R-E-V posted this:

r33dave · Posted: Tue Jan 10, 2012 12:05 am Post subject:

been looking on e-bay syma 9083 rotor says 148mm. Also looking at a new rotor for my t-34 to help with forward movement. fitting looks the same also.

matelot · Extreme 3D Joined: 09 Jan 2012 Posts: 106 Location: France

Thanks for that. Just had another response from the dealer and they've confirmed the dia. of 148mm. They'd measured a 9090 in error.

So now I can get one sent out. Looking forward to doing the mod.

Cheers Very Happy

r33dave · Posted: Tue Jan 10, 2012 1:07 am Post subject:

You will need to turn down forward and backwards % on the transmitter.have read on here to high % will cause blade strike.

matelot · Extreme 3D Joined: 09 Jan 2012 Posts: 106 Location: France

Thanks. I'll remember that. Seems like the tail rotor mod will make not an inconsiderable difference.

matelot · Extreme 3D Joined: 09 Jan 2012 Posts: 106 Location: France

Well, the mod has been done with a Dragonfly rotor. What a difference! All went well for 30 seconds until the power went. Fully charged on the new iCharger 206B, first time of use, and 30 seconds only.

Something has gone mammaries up! Confused

Edit: it's back on the supplied charger @75mA. Changed tx batteries and back to 4.5V. When the stick is pushed forward, the top blades spin up for about one second only, then die. Bottom set remain stationary. Both cogs rotate freely.

Could it be that the battery, although registering full voltage, has had it? Waiting for JST leads to put on new batteries.

Any help appreciated.

Cheers
_________________
Never squat with your spurs on.

tombo242 · Posted: Thu Jan 19, 2012 3:10 am Post subject:

matelot · Extreme 3D Joined: 09 Jan 2012 Posts: 106 Location: France

Thanks, tombo. I'm hoping that's all it is. The battery recharges to max in a minute or two.

I've tried looking for the meaning of the red light on the ESC? (is that it) to no avail. It comes on steady, goes off for a second or two, two flashes (twice) then steady flashing.

If I can get my head around the iCharger, I'll try checking internal resistance.

Edit: IR 75 and 73 mO. IR 148mO for the pack. Don't know if that's good, bad or indifferent...

Edit: after some googling, seems like these cells are knackered!

Cheers.
_________________
Never squat with your spurs on.