ORIGINAL: Hobbsy
PS, Jim, have you put any ceramics in a fourstroke yet?
Dave,
I have supplied ceramic bearings from [link=http://rc-bearings.com]Paul McIntosh[/link] to one of my customers that has two Saito 1.00 and one Saito 1.25 engines.
I have heard no complaints yet, but he has very low time on them.
He heard from another customer, who put ceramic bearings from the same source on his OS1.40RX and has already over 150 flights on them... Still, not any wrong signs.
With ordinary bearings, he had to replace them every ~100 flights.