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herring vs rolla an merc

Old 10-07-2008, 11:04 PM
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Default herring vs rolla an merc

how good are herring props compared with rolla or merc
for a single drive
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Old 10-08-2008, 12:20 PM
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I have had all 3 and the herings are the best in quality and top end speed.
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Old 10-08-2008, 03:26 PM
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what props were you running
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Old 10-08-2008, 09:59 PM
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I have run all 3 brands.
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Old 10-08-2008, 10:05 PM
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I am running old,old mercs 4 blades on a single #5 with a 32 foot boat and 750 HP.

Found that i have 16 % prop slip , but still no damage or anything wrong with the prop.

The funny thing is they say SUMMIT on them .LOL
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Old 10-09-2008, 05:03 AM
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Originally Posted by skater40
I have run all 3 brands.
yea but were you running 4 blade or five what were your figures with the props

cheers gerard
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Old 10-09-2008, 08:50 PM
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Herings good top end high slip #s at lower speeds.
Im running Mercs new 16.5x 38 @ 18 Degree rake.
1200 Hp rated and came with a year warranty.I have turned 40 pitch herings 500 rpm more with little top end gain.Just depends what your looking for.I like the warranty.

Last edited by HotPursuit; 10-09-2008 at 09:03 PM.
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Old 10-09-2008, 08:54 PM
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C&C Mercs
Attached Thumbnails herring vs rolla an merc-img_0246.jpg  
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Old 10-10-2008, 02:52 AM
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i do about 100 hrs per year and really want s much top end speed as possible and am running a 17x24 merc 4b at present if i were to go to hering would i go with more blades less pitch less dia or stay the same im getting 20%slip with the merc
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Old 10-11-2008, 11:29 AM
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Originally Posted by gerard
i do about 100 hrs per year and really want s much top end speed as possible and am running a 17x24 merc 4b at present if i were to go to hering would i go with more blades less pitch less dia or stay the same im getting 20%slip with the merc
Need more information on your hull,HP,Drive,Ratio
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