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tpenfield reacted to harringtondav's post in the thread I/O (Sterndrive) Conversion to Outboards with Haha.

I have no doubts that your weight calcs are spot on. ....previous experience with you on this still stings a bit. ;)

Nov 10, 2025
tpenfield replied to the thread I/O (Sterndrive) Conversion to Outboards.

The hull gets partially extended by 3.5 feet, it is not a full width extension. This is often called an extension pod.

Nov 9, 2025
tpenfield replied to the thread I/O (Sterndrive) Conversion to Outboards.

I was thinking about you the other day, good to 'see' you . . Yes, Page 7 , post #130 . . . I calculated the center of balance will...

Nov 9, 2025
tpenfield replied to the thread I/O (Sterndrive) Conversion to Outboards.

It was supposed to rain this AM, but the rain held off 'til PM . . . I got some more pieces cut. . The extra 'stringers' are in line...
Nov 9, 2025
tpenfield reacted to redneck joe's post in the thread I/O (Sterndrive) Conversion to Outboards with Like.

I knew round was best!!

Nov 9, 2025
tpenfield reacted to beta's post in the thread 1995 Crownline 202BR Restore with Like.

Productive day today. Got templates for all my stingers and bulkheads cutout and test fitted. I decided it was going to be near...

Nov 9, 2025
tpenfield reacted to beta's post in the thread 1995 Crownline 202BR Restore with Like.

Got the stringers and bulkheads cut out and fitted. Forgot to double check the length on the ski locker sides after the bulkhead was...

Nov 9, 2025
tpenfield replied to the thread I/O (Sterndrive) Conversion to Outboards.

Thinking about next steps . . . At some point (soon), I'll need to cut some access holes in the mating surfaces of the Ext-Pod. These...
Nov 9, 2025
tpenfield replied to the thread I/O (Sterndrive) Conversion to Outboards.

Yes, please and thank you . . . (y) I have some stainless steel "L" angle stock that has been sitting on a shelf waiting for a purpose...

Nov 9, 2025
tpenfield replied to the thread 2002 Four Winns 348 Vista.

Are you able to get aboard one of these boats (presumably for sale)? That may answer a few of your questions. Have you checked the...

Nov 9, 2025
tpenfield replied to the thread I/O (Sterndrive) Conversion to Outboards.

Quick Update . . . I moved the Extension Pod into the garage. This is the same space where I built the swim platform (about 6 years...
Nov 8, 2025
tpenfield replied to the thread I/O (Sterndrive) Conversion to Outboards.

Essentially, the location of the 'stringers' within the extension pod line up with the stringers in the boat. . . Based on my force...
Nov 8, 2025
tpenfield replied to the thread I/O (Sterndrive) Conversion to Outboards.

I took my prop force model one step further and came up with some 'typical & maximum' numbers for the force exerted on the transom...
Nov 8, 2025
tpenfield replied to the thread I/O (Sterndrive) Conversion to Outboards.

Pretty much, the key thing is to stay within the center 1/3 of the beam's height. The smaller the 'web hole' the better.

Nov 8, 2025
tpenfield replied to the thread I/O (Sterndrive) Conversion to Outboards.

Keep in mind that with an I/O engine the outdrive and transom plate are not rigidly connected to the engine. Perhaps the slightest...

Nov 8, 2025

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