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Old 07 January 2008, 13:27   #1
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Country: Ireland
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Make: Valiant DR520
Length: 5m +
Engine: Yamaha 75
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New prop for Suzuki DT 85

I need a new priop for the above engine and there is no markings readable on the existing one. The catalog lists that the diameter is 13.5 inches but lists pitches from 11 - 21 in increments of 2. I normally have 4 divers plus gear so what should I order? Also the catalog lists bushes and stoppers. Will I need to order these too or will the prop come complete? Or better again can somebody sell me the correct prop?

Regards
Mick
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Old 07 January 2008, 13:46   #2
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I think mine's a 15" pitch on the same engine on a 5.2 Osprey capable of similar diving loads...............
Don't know about extra bushes and stoppers though, sorry. This diagram might help http://store.brownspoint.com/DT85/fig025-858800.asp
HTH

Orve.
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Old 07 January 2008, 14:41   #3
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Country: UK - Wales
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Make: Vipermax 5.8, SR4.7
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Engine: 150 Opti, F50EFi
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Standard prop supplied with this motor is a 17" pitch. I ran a 5.5m RIB with a Soozook 85 and the 17" was fine for general running about, but for deep water monoski starts, it was better with a 15" pitch.
I suppose a heavily laden dive boat of similar size would also need a 15". What boat is it?
I think I've got a couple of 17" props in the shed - will dig them out if you're interested in buying one.
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Old 07 January 2008, 14:59   #4
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Quote:
Originally Posted by Downhilldai View Post
I think I've got a couple of 17" props in the shed.
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Old 07 January 2008, 15:32   #5
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My df70 on a valiant dr490 (same prop) used a 17 pitch for heavy loads and pulling things , i would guess yours would need similar . slightly bigger boat but similar hull and a bit more power .
Just a guess but may help
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Old 07 January 2008, 15:44   #6
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Thanks all for your replies. Yes Downhilldai dig a prop out and drop me a line at demfolshopfit@hotmail.com when you get a chance and we'll do a deal.

Regards

Mick
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Old 08 January 2008, 07:22   #7
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I think you'll struggle with a 17" with 4 divers and their kit in anything but flat calm..........

Orve.
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Old 27 January 2008, 13:35   #8
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Country: France
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prop

I have a 12.8x17" Comprop, ref is O-4347k , brand new.

It is a composite one, 4 blades (perfect for one who needs torque)
It works perfectly without cavitation - I sold a lot of them to fit Yamaha, Mercury, etc, ... and I have this one remaining.
Not only torquy, but very fast (better than most aluminium)


It fits Suzuki 2 stroke 85 and 90V4, and up to 140.
Johnson-Evinrude 45 to 75 3cyl. and V4 up to 140.

Price is 80 euros
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Old 27 January 2008, 14:05   #9
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Quote:
Originally Posted by yorfuoj View Post
I have a 12.8x17" Comprop, ref is O-4347k , brand new.

It is a composite one, 4 blades (perfect for one who needs torque)
It works perfectly without cavitation - I sold a lot of them to fit Yamaha, Mercury, etc, ... and I have this one remaining.
Not only torquy, but very fast (better than most aluminium)


It fits Suzuki 2 stroke 85 and 90V4, and up to 140.
Johnson-Evinrude 45 to 75 3cyl. and V4 up to 140.

Price is 80 euros

I would like to try one of those , but not sure what pitch i would need to compare to a 3 blade 15" pitch ,
Anyone know ??
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Old 27 January 2008, 19:47   #10
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I had a 17" on my 5.3m running a 60HP and it was perfect for 4 divers with twinsets
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