The general rule for bearing spacing is more than 20 x shaft diameter and less than 40 times shaft diameter....you do need a second bearing.
Also what is engine max rpm ?
What is the shaft diameter you are proposing to use ?
Cut two plywood rings with a hole saw same diameter as inside of sterntube, then 1.75" hole in center. Cut in half then locate either end of...
Does anyone have an alternative idea to the single shaft with props in tandem ? We also want to do this as electric driven, the 0.4m maximum draft...
Thanks for your input, yes did notice an additional plate on the transom in way of shaft tunnel to stop air being sucked down.
I have a project for 17m Tour Boat with maximum draft of 0.4m and single shaft with propeller drive. Looking at the previous boats owned by this...
Try this link, you may find it useful https://www.youtube.com/watch?v=LYYK0Ul7_sM
If you put gelcoat in a mold that's the gelcoat for your molding, if that's the case you certainly do not want wax in it. The resin and glass...
Durabuild is what you need for plug, its easy to sand then wet 'n' dry finish before polishing.
This is a true story: A colleague and myself had to fly to HK for a meeting, after taking the airport express to...
Electric power, it's only a saloon area, LOA 12m...Beam 4.7m, with very limited electric power very unlikely to venture out when windy.
It'a a 13m - 25kt Deep 'V'
Can anyone advise whats considered a safe height of the underside of catamaran between hulls. This is a 6 kt lake boat so not much in the way of...
