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  1999 and later Outrage 18' (or Ventura) What Prop?

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Author Topic:   1999 and later Outrage 18' (or Ventura) What Prop?
BillD posted 06-20-2003 03:45 PM ET (US)   Profile for BillD   Send Email to BillD  
I have not been truly happy with any prop I have tried so far on my 2000 Outrage 18' with an Optimax 150.

If you have this set up (or the 135 Optimax) what are you turning on your boat?

Details for those interested:

The boat alone weighs 2500 pounds, the engine rigging and oil are another 500, Gasoline adds another 250 - 600 pounds depending on how full the tank is (90 gallon tank that I rarely let get below the 1/3 level). Add a couple of people and gear and you are at almost 4000 pounds total.

So fax I have had:

15 3/4 x 17 - Boat would bog down and it was hard to get the rpms up
15 x 17 - pretty good but with a heavy load not great
14 x 17 (4 blade) - Gets up on plane faster - smooth acceleration - does not max out RPMs (4800 with 2 adults and a child)

The max RPM range for the Optimax 150 is 5200 - 5600

I included the Ventura because I was told the Outrage 18 and Ventura 18 share the same hull, sorry in advance if I am wrong .

Please note that while this topic could have gone in either Post Classics or Performance I put this topic in Post Classics because I thought I would get more on topic replies. If I get no responses I'll move it over to Performance.

Dixie Pirate posted 06-20-2003 06:24 PM ET (US)     Profile for Dixie Pirate  Send Email to Dixie Pirate     
Bill, I have the same boat and motor. To get my rpms to 5500 I had to raise the motor 2 holes and drop down to a 15P MIRAGE Plus prop.18" x 9" trim tabs really help. This heavy boat, in my opinion, is very close to being underpowered.
hugehugo posted 06-29-2003 09:18 PM ET (US)     Profile for hugehugo  Send Email to hugehugo     
I have a 1999 Outrage 18 and just repowered it with a Honda 200. It was delivered with the Optimax 135. I am using the same prop it was delivered with which was a Mirage 17 pitch. Sorry, I am not sure of the diameter. Of course I have much more power now, but it jumps out of the hole and runs strong right up to 5900 rpm's. The Honda has a taller ratio than the Optimax. Top speed with a light load is right at 48 MPH. I don't have trim tabs, but am currently considering them.

The Honda is great - way better than I expected. The optimax for me was very unreliable.

prxmid posted 06-30-2003 04:10 PM ET (US)     Profile for prxmid  Send Email to prxmid     
I also have the same boat and same problem. 1999 w/ 150 Optimax. My max RPM is about 4800 and I can creep it up to 35 Knts in calm water. Should be getting about 5500rpm.

I also have the original Mirage SS 17 prop. Is the concensus, raise the engine and get a smaller prop?

prxmid posted 06-30-2003 04:20 PM ET (US)     Profile for prxmid  Send Email to prxmid     
Hugehugo,

wow, 3 years and a repower. Did you sell the Optimax 135? That's half the price of the boat for it to die with no value.

BillD posted 06-30-2003 05:16 PM ET (US)     Profile for BillD  Send Email to BillD     
hugehugo: Do you remember what the max was RPM before you repowered?

I am begining to think that the 17p may be over propped for most owners. I am thinking about dropping to a 15p.

hugehugo posted 07-08-2003 10:33 PM ET (US)     Profile for hugehugo  Send Email to hugehugo     
I was able to get 5200 RPM's out of my 135 with a light load. The figures I have seen posted here seem low, but I don't know what would be causing the difference.

Repowering after 3 years was a big dissappointment for me, not to mention expensive. I was able to trade in the opti and got a reasonable value for it. Now though it is clear it was the right thing to do. I live in Michigan with a short season and don't get as much time on the water as I would like - 100 hours per year usually. The opti was ruining my main escape and fun. You can't put a price on that.

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