1974 20' sceptre transom replacement and i/o to outboard bracket conversion

[flyingfrizzle]

[flyingfrizzle]

Got the bracket back on the boat and marking where to paint the grey bottom paint. Getting measurements for backing plates and mocking up the motor bolt holes so i can drill them at the right height. Hope to go up 4 plus inches for the setback. I thought it was 24" but more like 23" on the mark so I'm thinking a inch per foot like said then add 2 more due to everyone goes up never down. I'm going to run a rev 4 so it can be high with that being a simi-surface type wheel. I will try to make it so i can go up more than down at that point. WhatWhat do you guys think on the plus 4 inches? Play it safe with 3-3 1/2" or go for 4"?

[Bushwacker]

Originally Posted by flyingfrizzle

. . . What do you guys think on the plus 4 inches? Play it safe with 3-3 1/2" or go for 4"? . . .

Friz, that Sceptre is looking great! If you'll check my recent post, you'll see that I'm currently at 3.75" and need to go up to at least 4" to get AV plate on top of green water with a 30" setback, so that trade factor for AV plate height works out to be about 1.5" to 1.6" per foot of setback. For a 23" (1.91') setback, a height of about 2.865" would be equivalent to where I am now (high confidence setting, 1.5 inch/ft trade factor). The 1.6 inch/ft would put you at 3.056", equivalent to mine at 4". I think I'd set it at about 3" with ability to go down one hole and up a couple of holes. For reference, I'm running a PowerTech ELE4 15X15 4B prop. Blade shape is supposedly similar to the old OMC SST, which worked well on my old motor mounted on transom at with AV plate 1" above bottom of hull. The ELE4 has a fair amount of cup in it and seems to have a pretty decent grip on the water.

[flyingfrizzle]

I got bracket remounted to the hull and got the hand hole cut into the swim platform. Got the boat back on a trailer and mounted the outboard on her. Ran the motor cables and harness then cut in the control box on the dash. It was the first time in over a year since the boat moved. It was good to see her moving around again.

[thehermit]

Hey I thought u sold the 20 master angler?!?!

[flyingfrizzle]

Originally Posted by thehermit

Hey I thought u sold the 20 master angler?!?!

Yes, it did sell quite some time ago. The guy paid for most of it by mail and was to pick it up in a few weeks then got up with me and said it would be a few weeks more. Haven heard from him in months now so who knows? Just been moving it around and mowing under it meanwhile. I wish I would have done a "dollar a day" storage fee in the deal and I would be looking at a new outboard, but it aint hurting nothing sitting for now. This hull was thicker lay up by far than all the other seacrafts I have owned or seen. The bottom where the transducer was cut in at was over 1" thick and the threw hulls in the back under the vent area were 1/2" thick. It looks to be twice as thick as the sf models I have. I think because it dose not have a full liner they made it thicker but it seems way thicker than most. We will see what happens.

[flyingfrizzle]

Originally Posted by Bushwacker

Friz, that Sceptre is looking great! If you'll check my recent post, you'll see that I'm currently at 3.75" and need to go up to at least 4" to get AV plate on top of green water with a 30" setback, so that trade factor for AV plate height works out to be about 1.5" to 1.6" per foot of setback. For a 23" (1.91') setback, a height of about 2.865" would be equivalent to where I am now (high confidence setting, 1.5 inch/ft trade factor). The 1.6 inch/ft would put you at 3.056", equivalent to mine at 4". I think I'd set it at about 3" with ability to go down one hole and up a couple of holes. For reference, I'm running a PowerTech ELE4 15X15 4B prop. Blade shape is supposedly similar to the old OMC SST, which worked well on my old motor mounted on transom at with AV plate 1" above bottom of hull. The ELE4 has a fair amount of cup in it and seems to have a pretty decent grip on the water.

After mounting the motor it looks like my adjustment will work out to be 3" UP to 6" up past the keel. I think I should be able to get the LU plate out of the water no problem. I mounted the motor high as possible while keeping the swim platform as low to the water as possible. It worked out well thanks to help members here on CSC.

[flyingfrizzle]

[flyingfrizzle]

Got most of the rigging done and got the motor fired up this weekend. Still got to add the rule bilge pump and gas tank in the hull. Running off of a 12 gallon tank now. I also need to get the rub rail back on and don't know if I want to put the windshield back on or not. I looks so sleek with out it now and hate to put it back on. I might dunk it in the water this weekend to see how she sits.

[Bushwacker]

Looking good Friz, although I personally think that model looks even sleeker with the sides of the windshield blending into that raised coaming on the cap. Take a look at Strick's restored Sceptre 20. Those raised sections look a little strange to me without the windshield, but then again, that's just me. Everyone has different tastes!