1960 lark-40 ... what do I want my WOT RPM to be?

[Paul Moir]

Re: 1960 lark-40 ... what do I want my WOT RPM to be?

I'll leave it to the prop experts, but that looks like it was worked over with a power hammer. Trained eyes would know better though.<br /><br />daveswave, that right most prop has been beaten badly. The outside edge has been turned inward a fair amount, like the boat it was on was backed into some rocks. But those are both progressive pitch props from what I can tell.<br /><br />walleyehed, I was thinking a SST-I (I could polish it myself) or even a "Ballistic" Isn't that what all the kids are running today? Or should I go 5 or 6 blade? More is better right? Sorry about that again!

 

[walleyehed]

Re: 1960 lark-40 ... what do I want my WOT RPM to be?

Nothing to be sorry for!! I've got a 19P Ballistic I'd donate to the cause if you think you can make it fit......<br />I have a 15P, (13-1/2X15) for a zuki that I cut the center hub open to accept an OMC hub....never put the OMC hub in and it's half-way to being polished...Donate'em both if ya think you wanna give it a try.<br />BTW, I wasn't going to say anything, but those pics of the prop show marks from a bucking bar and air hammer....that's not cavitation...

 

[Paul Moir]

Re: 1960 lark-40 ... what do I want my WOT RPM to be?

I appreciate the offer, but I'm still a long way from that. The boat I want to prop for isn't done yet, never mind setting it up. Thank you though. I really have no idea of what would work at all or even where to start. Most of what I know about props comes from reading your and DHadley's posts.

 

[surlyjoe]

Re: 1960 lark-40 ... what do I want my WOT RPM to be?

Originally posted by walleyehed:<br /> BTW, I wasn't going to say anything, but those pics of the prop show marks from a bucking bar and air hammer....that's not cavitation...

well, that makes me feel alot better, I was sure it was cavitation burn...lol<br /><br /><br />and why weren't you going to say anything?