Boat Builder Central

No worries! Thanks for the effort you're putting in on my behalf here - this thing has been fairly difficult to source parts for accurately. The Evinrude 25 at least shows up in parts catalogues. But even so, very few prop varieties as far as I have seen. Thanks though, it's really interesting to se...

This is a 9" diameter backup prop I have on the bottom end from the wrecked Johnson...centreline to cav plate is around 4 7/8", I believe. Could be a full five but hard to tell as it sits just at the moment. But much over a 9.25" prop would get sketchy in a hurry, I think. https://i.i...

Thanks very much! That's a big prop! These motors won't fit anything over 9.25" diameter to the best of my knowledge; I'm not sure if anyone makes anything larger for this hub - is there a particular prop you know of built for it that matches the numbers you describe? I don't think I've run acr...

That's sure going to be a beautiful boat. Hard to resist the look of a fantail launch I think.

Thanks man!

Current prop is a factory 9.25x11 identical to this guy:

https://www.boatpropellerwarehouse.com/ ... ler-763584

Well I'm certainly very interested to hear what you advise - thanks for the direction not just for me but for the countless forumites you've crunched these numbers for!

Yeah the 20s are real oddballs. The model number is 20CR79R but it's never in any databases. Even Canadian dealers can't find it, and it was a Canada-only model. The Evinrude E25RCRD is probably the best set of numbers to use, only figure something close to 30hp at the shaft. I'll probably use more ...

Yeah the cockeyed motor was a bit of a shocker when it happened. I was set up to radio for help vut when I was able to jury rig the motor, I didn't bother. Quite a crack when it happened, though. I am not used to having to lock and unlock a motor, so yeah...fishing will require an extra step when mo...

I think I owe everyone a pretty good update here so let me start by giving this post a title: “And Then This Happened” I’ll get into Tom’s calculations soon and possibly today; I’d like to start with a narrative update and go from there. I love the sidecar pics; obviously I have become highly suscep...

TomW1 is about as close as you can realistically get on the weight, although I don't have final numbers on speed yet - but that will probably be close too. I think I can get another knot or two over the current max - I'm still using the original prop which is 40 years old and looks it. And I think I...