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Old 10 August 2005, 14:59   #11
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Quote:
at least now i will be able to keep up with you and alex in the rough stuff
Ribcraft 5.85 with a Suzuki 140

8m protector with 2x 250

Suddenly I'm getting a bad feeling about this
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Old 10 August 2005, 15:10   #12
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Quote:
Originally Posted by Kernow
Ribcraft 5.85 with a Suzuki 140

8m protector with 2x 250

Suddenly I'm getting a bad feeling about this
I was refering to the boat length being able to handle the chop (rememebr you and alex leaving me for dead in st austel bay last time - not cause i was flat out - but because i would have bounced one of the kids out of the boat) - ive no idea what speed to expect out of a 140 on my new boat.

One things for sure - im going to have fun finding out !!! (after ive run it in of course) Im sure it will be no match for alex's twin verados though - but hopefully burn alot less fuel !!!
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Old 10 August 2005, 16:09   #13
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Right then Roy, begs first guess! Now my Ribtec 5.35 with a 90 hp will touch 40kts ( 38, 4 up) your Ribcraft will be a little heavier but 50 hp better off, so I'm gonna go for 46kts.
Anyone else?
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Old 10 August 2005, 16:49   #14
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Kernow, I'll take your bet! I reckon the added weight etc means that he will get 42.3578921 kts out of it!
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Old 10 August 2005, 16:56   #15
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Quote:
Originally Posted by Jimbo
Kernow, I'll take your bet! I reckon the added weight etc means that he will get 42.3578921 kts out of it!
wow thats an acurate estimate !!!

the gps only has 1 decimal place so i may need a more acurate way of measuring speed to see if you are right !!!
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Old 10 August 2005, 19:09   #16
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In a granny suck eggs stylie... if you are ordering a new boat, have you ticked many of the optional extras. You can do a lot worse then order extra wear patches down the tube, get a heavy duty bow snub, and get a fairlead fitted. All these will prolong the life of the tubes and stop rope wear at the bow when you moor up.

Keef.
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Old 11 August 2005, 08:18   #17
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Top speed

I've only reached 35 knots at WOT with my setup (reading GPS). That's with light chop to the water running a 3 blade 14"x19" aluminum prop. I also have a hull extension which may have effected performance. Martin Stacey has posted 40+ knots running 21" pitch prop with ideal conditions. My boat was made by Ribcraft USA so it may be like comparing Fuji apples to Granny Smith apples.

Build is good on my boat except early on rubbing strake started detaching at some points. Also flat top on console is slightly off horizontal when sighted from transom.
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Old 11 August 2005, 08:32   #18
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42 knotts

I'm going to agree with 42 knotts as I've got this out of my DF140 on the back of an AVON 620, with a 21" pitch prop
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Old 12 August 2005, 15:39   #19
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6m Prosport (well 5.85m really) with Suzuki 90 (same block as 115) and I get 37 tops. Thats with 4 up in perfect conditions, it seems to run better loaded!?
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Old 13 August 2005, 07:12   #20
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Full tank, 2 up, flat water. No idea what size prop...it was the one Ribcraft supply with the DF140.
42.2 knots.
Ceeegar for Nauti Buoy!!!!
She'll cruise all day at 35 knots (dependant on sea state of course)
Stainless or bigger prop may get an extra couple of knots. Can't be arsed.
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