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06-14-2006, 10:53 PM
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#11
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Registered
Join Date: Jan 2006
Posts: 88
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Re: 29 scarab speeds? what do you do?
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Originally Posted by myscarab30
Frank the only thing i can thing of is my boat weighs alot more ....i am only running 4500 rpms i am disapointed i want more speed  |
have you tried the next size down in pitch or slightly smaller diameter props? You should be turning about 4800-4900 rpm's. It should give you an extra 1-2 mph.
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06-15-2006, 07:54 AM
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#12
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Registered
Join Date: Apr 2006
Location: Kansas
Posts: 398
Looking
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Re: 29 scarab speeds? what do you do?
I am working with Julie at Thortle Up now to see what i can do
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06-15-2006, 10:39 AM
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#13
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Registered
Join Date: Sep 2005
Posts: 36
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Re: 29 scarab speeds? what do you do?
i was running 66/68 depending on conditions w/same set up before the blowers.I have 23 mirage props.
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06-16-2006, 12:59 PM
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#14
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Racer
 Racer
Join Date: Aug 2004
Location: Chesterfield, MI
Posts: 2,203
34 Sea Ray Sedan, 30ft Vicious Cat, 16ft Checkmate, 10ft Ceaser
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Re: 29 scarab speeds? what do you do?
1999 29 Scarab with Twin 350ci / 300HP - (GPS Speeds)
68.01 with a full tank and two people before I had my props re-done. With the props cleaned up 70.06 (GPS) 1/4 Tank and two People.
Last edited by 2 Trick Rick; 07-03-2008 at 06:25 PM.
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06-16-2006, 01:57 PM
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#15
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Registered
Join Date: Mar 2006
Posts: 69
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Re: 29 scarab speeds? what do you do?
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Originally Posted by 2 Trick Rick
1999 29 Scarab with Twin 350ci / 300HP - (GPS Speeds)
68.01 with a full tank and two people before I had my props re-done. With the props cleaned up 70.06 (GPS) 1/4 Tank and two People.
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Which props are you using ?
I'm at 66 mph with 23 mirage , not plus...
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06-16-2006, 03:25 PM
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#16
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Racer
Racer
Join Date: Aug 2004
Location: Chesterfield, MI
Posts: 2,203
34 Sea Ray Sedan, 30ft Vicious Cat, 16ft Checkmate, 10ft Ceaser
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Re: 29 scarab speeds? what do you do?
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Originally Posted by Frankscarab
Which props are you using ?
I'm at 66 mph with 23 mirage , not plus...
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14 5/8 x 23 Mirage - "OEM" Props. They had a few large dings in them when I got the boat so I sent them out to be cleaned up, No major work - just cleaned up. The engines are stock, I think? I bought the boat from a repo yard and have no history on the engines, I belive they are both stock.
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06-16-2006, 03:52 PM
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#17
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Registered
Join Date: Mar 2006
Posts: 69
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Re: 29 scarab speeds? what do you do?
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Originally Posted by 2 Trick Rick
14 5/8 x 23 Mirage - "OEM" Props. They had a few large dings in them when I got the boat so I sent them out to be cleaned up, No major work - just cleaned up. The engines are stock, I think? I bought the boat from a repo yard and have no history on the engines, I belive they are both stock.
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In salt or soft water
I don't know if it's true to think about 2 mph gain in salt water?
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06-16-2006, 04:08 PM
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#18
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Racer
Racer
Join Date: Aug 2004
Location: Chesterfield, MI
Posts: 2,203
34 Sea Ray Sedan, 30ft Vicious Cat, 16ft Checkmate, 10ft Ceaser
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Re: 29 scarab speeds? what do you do?
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Originally Posted by Frankscarab
In salt or soft water
I don't know if it's true to think about 2 mph gain in salt water?
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Freash water. Lake St. Clair, MI
I have read that people are getting 72mph with a stock set up! I'm not sure how that is, the best I have got was 70.6 - and that way down river, wind at my back, light fuel and light wife!
68mph is pretty much an everyday number.
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06-19-2006, 01:19 PM
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#19
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Registered
Join Date: Mar 2006
Posts: 69
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Re: 29 scarab speeds? what do you do?
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Originally Posted by 2 Trick Rick
Freash water. Lake St. Clair, MI
I have read that people are getting 72mph with a stock set up! I'm not sure how that is, the best I have got was 70.6 - and that way down river, wind at my back, light fuel and light wife!
68mph is pretty much an everyday number.
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Your right,
i will try Mirage plus 23 this week-end
I will appreciate 70 , but who knows ?
Have a good summer
Frank
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06-21-2006, 05:48 PM
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#20
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Racer
Racer
Join Date: Aug 2004
Location: Chesterfield, MI
Posts: 2,203
34 Sea Ray Sedan, 30ft Vicious Cat, 16ft Checkmate, 10ft Ceaser
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Re: 29 scarab speeds? what do you do?
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Originally Posted by Frankscarab
Your right,
i will try Mirage plus 23 this week-end
I will appreciate 70 , but who knows ?
Have a good summer
Frank
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Let me know how it works for you.
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