Papas

My first concern would be that a 3/4" thru hull is likely way too narrow - so highly recommend checking the heater specs for minimum...

FYI - the CMC Stab 20 is what would be appropriate for the GB46 (per CMC / my investigation). A friend has them on his 55' navigator...

I have a 2001 GB46 CL and just got through investigating various stabilization options incl. Humphree and CMC Waveless, Naiad, and ABT...

I have TD MG-5061-A transmissions. Engine controls are Mathers Micro Commanders; therefore the engines are essentially always going to...

Manual transmission are currently the best car theft deterrent in Seattle.

My setup has 2 supports - 1 for the mast when lowered (upper support), and a lower support for the boom. The lower support height above...

I'll try to remember to measure next time I'm on the boat, so you can get an idea on potential solutions (I'll incl. a photo or 2 too).

On my 46 w/ twins, the tabs work just fine, but that doesn't mean they are effective. At WOT, trimming bow down may gain an additional...

On mine, the nav and instruments lights are on the same breaker.