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Old 06-03-2007, 01:46 PM   #1
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'08 37 Active Thunder
Weighed my boat yesterday & Prop talk

We have a fork lift at my marina that has a digital scale built into it. Not sure how accurate it is, but what the hey. With just over 3/4 on the gas gauges, which by all indications is under 50 gallons a side, the boat weighed in somewhere around 9900 pounds. We figured it would be well over 10k. I guess dropping out the liner really does help on weight.

I figure the AC unit, fridge and microwave are not calculated into the factory dry weight. Right Pat? Plus all the chit I keep on board.

But, I can't get the motors to spin up over 4900. Even with empty tanks and just me on board. I know labbing these is the answer, but I just don't like having 8 razor blades hanging off the transom cause we spend alot of time in the water back there.

I have a buddy who just rebuilt his motors and is banging off the rev limiters with his stock 30's. How will these affect my cruise? I loving what I'm getting out of these 32's. I can run close to 60 at only 3500 rpms!

Clark?
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Old 06-03-2007, 02:08 PM   #2
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I weighted mine at the landfill on the trailer last year before the whipples and Bmaxs and it was 12,800.Called Myco about my trailer and they said 2500 lbs.1/2 full of fuel so thats about 700 lbs so real close with a liner to yours.Forgot about 300 lbs of beads too.
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Old 06-03-2007, 05:43 PM   #3
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2007 37' Active Thunder - 1991 MasterCraft Prostar 190 1976 Spectra 20 Daycruiser
My boat and trailer weighed 12,540 with 80 gals. of gas in it. With the truck i was 20,440.
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Old 06-03-2007, 07:06 PM   #4
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Bunch of lard azzes
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Old 06-03-2007, 08:58 PM   #5
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Boatless :(
Damn Mark...I didn't realize our trucks weighed almost 8k lbs.

BTW - I saw that pic of you towing that Fountain - I hope you apologized to OverActive
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Old 06-03-2007, 09:27 PM   #6
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99' AT28twin, 2004 Starcraft, 1978 Switzer
Super duty's are heavy trucks; F350 PSD 4x4 Crew cabw/ long bed is about 6,800 empty; F350 PSD 4x4 Crew cab long bed dually is about 7200 empty, add from there.
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Old 06-03-2007, 09:40 PM   #7
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There are better than Raff Tuff.......
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Old 06-03-2007, 11:54 PM   #8
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2007 37 AVH Active Thunder
I am right at 10K-10.1K. I don’t pull over 4900RPM with the stock 32’s either. The labs I have are not sharp at all and I am getting 62mph at 3700 RPM (which is optimal consumption via smart craft for the 525 (1.82 mpg), and 87 WOT with 3/4 tanks. I just had them pitched to 32.5/ 33 and will let you know what they do this next weekend. Brett thinks they will pick up 2 mph on top and 2 mph in the mid with the new mods. I was pulling around 5300 with them being 32 labs. I have the serial number if you want to send yours to Merc or Brett at Bblades.

The Maximus at 29/29.5 pitch and 15/14 is probably the best cruise prop. Talk to Mark about that. His mid numbers were outstanding.

Last edited by crb76 : 06-04-2007 at 12:03 AM.
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Old 06-04-2007, 06:27 AM   #9
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Very good numbers Clark! I would be very happy with that!! I guess Brett does not lab his props the way Throttle Up does. How much to have him lab these 32's?

I know Mark is getting outstanding numbers with his 5 bladers. Problem for me is they are drive killers down here on the lower Chesapeake with the big water we regularly run in.
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Old 06-04-2007, 07:22 AM   #10
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brett is the best with existing props. Throttle up is good with custom jobs. Brett charges between $300-$400 per wheel.
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