bertram31.com

This is a heartfelt thank you to all members of this forum for their advice and counsel on the sale of the prototype Thermoglide transmissions in my 31'. Very special thanks to Capt. Dick Dean who brokered the deal for me, I would have been "picked clean" by the buyers if it wasn't for Dick. I stron...

I,m the member with the Thermoglides......the boat,engines and transmissions are all 1969 with only 900 hours on them. The Thermoglides work great......at 3000RPM, I,m doing 23kts.......I hit the overdrive switch and it does 27-28kts at the same RPMS. It tops out at 42-43kts and from what I hear fro...

I have a pair of Thermoglides in my 31 Bahia Mar......I would consider selling them.....how much are they worth?