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Verado 250 on Crestliner 202 19P Rev4 vs 21P Tempest - Walleye Message Central
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  #1  
Old 08-30-2012, 01:16 PM
Lake Wisconsin Lake Wisconsin is offline
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Default Verado 250 on Crestliner 202 19P Rev4 vs 21P Tempest

Well I had a chance to run my two different props and here are the results:

19P rev 4. Hole shot excellent, under 2 seconds, mid range great, can hold plane at 19 mph (which is great in the rough water I run), top end 58 mph at 5950 rpm. All plugs in. Overall very happy with this prop.

21P Tempest. Hole shot ok, about 3.5 seconds. Mid range poor, lowest plane speed 24 mph, and felt "sluggesh", top end 57 mph at 5900 rpm. Mid level plugs. Very noisy (drone exaust?) compared to the rev 4 - assuming the plugs.

I thought I would get more top end speed out of the tempest, but not so. The rev 4 "holds" so much better it's not funny. I wish I could get my rpm up 2-300 to be in the sweet spot for my motor, but run WOT so seldom, not too worried about it.

Any other thoughts on these props?
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  #2  
Old 08-30-2012, 02:24 PM
jiginitis
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Good Post. Thank you for the information. Obviously you want more rpm as you said. I am very interested in the rev 4 myself. Did you notice if you had to really trim the tempest to get your speed, almost to porpusing?
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  #3  
Old 08-31-2012, 05:27 AM
Lake Wisconsin Lake Wisconsin is offline
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Yes I did. The boat was very lose to hit the top speed. Actually, anything after about 50 mph was getting chimmey with the tempest.
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  #4  
Old 08-31-2012, 05:53 AM
KirtH
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If you are looking for a great prop check out this one http://www.mercuryracing.com/blog/bravo-i-fs/ I used the XS version on my Opti best prop I found. This blog allows you to ask Scott with Mercury prop questions
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  #5  
Old 08-31-2012, 05:54 AM
Hot Runr Guy Hot Runr Guy is offline
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with the 4-blade Rev 4, what's the chance of raising the motor a hole?

HRG
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  #6  
Old 08-31-2012, 08:25 AM
jiginitis
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Thanks for the web site, I will check it out. Thanks for the answer on the tempest also, I looked at my motor level and it seems to be high enough, I was told that a good rule is that the plate above the prop don;t know what its called should be a little above or even with the bottom of the boat mine is above.
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  #7  
Old 08-31-2012, 10:16 AM
Ryno Ryno is offline
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Default Try another Tempest

I would try another tempest 21. I have not ever heard of a Rev 4 being faster than a tempest....even in the same pitch....the one you tried has way too much slip if your rpms are only 50 short of the 19 pitch 4 blade.
something is not right here.
Ryno
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  #8  
Old 08-31-2012, 11:13 AM
Burr Burr is offline
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Either the 21 Tempest you ran is off, and as suggested try another, or try a 19 pitch Tempest.

Interesting you mentioned the 'done exhaust'. I found the same thing going from an Enteria to a Tempest. It's a significant exhaust noise with the Tempest.
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  #9  
Old 09-02-2012, 07:34 PM
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T Mac T Mac is offline
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Burr is right on.
You should have tried a 19 tempest.
5900 is not the rpms you want... a 19 would get you right around the 6300rpms you need.
I have never seen a Rev 4 do better speed than a a tempest on a Lund or Crestliner w/ verado if both were of the correct pitch for the boat.

Last edited by T Mac; 09-02-2012 at 07:36 PM.
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  #10  
Old 09-02-2012, 08:08 PM
Verado Eyes Verado Eyes is offline
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My dad has a 22 p tempest and runs 60.6 mph at 6000 rpm he also runs the rev 4 21 p at 6030 rpm at 60.3, Have never tried a 21 p tempest on this rig. But that is his results
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