Props RevisitedA

[twhrider2]

As mentioned in earlier post the prop that came on my V (I/O470) is a 14x21 WOT 3800rpm. Today I got a 14.5x17 alum. for free to try.

[twhrider2]

Oops.. to finish previous post. Does this sound like a good dia. and pitch to get my rpm to 4200? and if so is there a brand/style that is preferred for best performance?

[spareparts]

the mercury mirage works well with the 3.7l engine, try to prop it out o turn at least 4500 rpm

[awthacker]

I was running WOT Saturday right at 5000 RPM. Should I be getting higher or is that about right?

[bradford]

They say you should get higher, I don't like running that high myself though, scared of blowing her up. I think the more important thing is to not lug the engine while cruising.

[Destroyer]

If the specs for your engine say 4500 WOT is ideal then yes, I'd think that a 14.5 x 17 was worth a try. Certainly don't want to over rev it, but you can always throttle back if you find that's happening.. then switch back to your old prop or try another one. Like Bradford said, it's more important to not lug the engine than to slightly over rev it.