Hai-Lee
Old and Bold RC PILOT
Just returned from the flying field!
Today brought a new and strange problem. I use a lot of Cf2812 1534kV motors from HK, (very cheap). I had fitted one to the Tubby Cubby and today I was doing final tweaks and the like when suddenly the motor started giving a lot of noise on throttle up and was becoming extremely hot.
At first I thought it was a bent shaft, (Not on this one as it was removed from a pusher design and had never crashed). Then I checked and re-tightened the engine mount, just in case it was coming loose but nothing fixed the problem. So flying over and a return to the workshop.
On disassembly it was found that the rear bearing had collapsed totally and after removing the circlip the tiny ball bearings exploded all over the work desk.
Luckily I had a number of spare parts for this motor type, (crashed and bent quite a few). Replaced the faulty parts and now it tests out as good to go.
Never had a bearing failure before! Go figure!
Have fun!
Today brought a new and strange problem. I use a lot of Cf2812 1534kV motors from HK, (very cheap). I had fitted one to the Tubby Cubby and today I was doing final tweaks and the like when suddenly the motor started giving a lot of noise on throttle up and was becoming extremely hot.
At first I thought it was a bent shaft, (Not on this one as it was removed from a pusher design and had never crashed). Then I checked and re-tightened the engine mount, just in case it was coming loose but nothing fixed the problem. So flying over and a return to the workshop.
On disassembly it was found that the rear bearing had collapsed totally and after removing the circlip the tiny ball bearings exploded all over the work desk.
Luckily I had a number of spare parts for this motor type, (crashed and bent quite a few). Replaced the faulty parts and now it tests out as good to go.
Never had a bearing failure before! Go figure!
Have fun!