I had 50' of chain on my 22 never drug an anchor 22# lewmar claw on the 25 I have 100' of chain & a 22# lewmar claw zero issues, I anchor in 4-250' 0f water :mrgreen: :mrgreen:
I would not worry about any drawings. I would get out your favorite size drill bit, place a depth stop @ 1/2" or so and start looking for dry wood, then cut out and replace as nec.
FROM THE INSIDE of course. :mrgreen: :thup :thup
I use Hi temp heater /AC duct tubing purchased at
https://www.fisheriessupply.com/ I also use galv. stove pipe of various sizes & insulate as nec. :thup
4 AWG is the minimum for your 90 hp starter wiring :wink:
remember when looking at the wire size charts measuring length is round trip(battery to motor, inverter, etc. and back to bat.) With wire BIGGER is always better. :thup
As long as the prop chosen will make the suggested wide open throttle rpm (whatever the manual says 6000 rpm?) it's the correct one.
My Suzi is 6200rpm.