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ContinuousWave: Whaler Performance
Classic 13 performance statistics
|Author||Topic: Classic 13 performance statistics|
posted 03-21-2002 12:41 PM ET (US)
As a 2000 13 GLS owner, I'm wondering what other classic 13 owners are running for engines on their boats and what sort of speed you are getting.
I have a Mercury Classic 40 HP, 2 cylinder , 2 stroke with a Stainless Steel prop.
I top end at 40 mph and cruise at between 25 to 27 mph. The figures come via my GPS receiver.
I carry two 6.6 gallon fuel tanks whenever I go out and my fuel consumption seems to be fine.
How about you other 13 owners? What sort of performance are you getting with your boats?
Are there any performance tricks for my 13 that I should know about??
posted 03-21-2002 12:57 PM ET (US)
Ain't that fast in a 13??? I know I wouldn't want to go any faster in my 13. I figure we do mid to high 30's with 200lbs. of people and 12 gallons of gas. Regards, Jay P.S. 1972 13' Sport with 1990 Erude 40hp.
posted 03-21-2002 02:46 PM ET (US)
Make that 300lbs of people, son 75 me 225. My diet isn't working. Regards, Jay
posted 03-21-2002 05:08 PM ET (US)
My 62 13' has an 1989 25 hp evinrude. I carry two 6 gallon tanks oars and an anchor. By myself, i break 26 knots on my gps. I usually cruise at 18-20 knots.
posted 03-25-2002 12:08 PM ET (US)
Our 13 is powered by a vintage '75 Evinrude 40, with the really old and large style lower unit. We get 15-18kts in open water maybe 22 or so in the bay. The prop is aluminum (of course). No power trim or tilt. I need to play with the motor setting a little as it tends to bury the bow at high throttle settings.
But this weekend in sunny San Diego with 500lbs of driver, observer and passenger, and 11 gallons of fuel, it pulled me out of the water on a single ski! I'm no slouch either at 220lbs! It was really funny to see the little Whaler scooting along in front of me. I'm used to seeing a much bigger boat from that angle.
We love our 13!
posted 03-25-2002 02:04 PM ET (US)
You are way underpropped, hence the waterskiing "incident". If she was propped for max speed, never would have happened. Watch your top end because you are gonna blow that thing if overreving.
posted 03-25-2002 05:29 PM ET (US)
This probably needs it own message heading. Anyhow, Good call on the propping and over-reving. I think the wife may have been driving a little over 5k.
Is getting up on a single ski behind my Whaler going to be a "rare" incident for me? I get the feeling from your post either it wasn't that smart, or I shouldn't be doing it. (It was a shore start with about 15' of a running start for the Whaler, and I've got a 'Big Easy')
I bought a second hand tach, but I'm unsure I've got it hooked up on the right setting (pulses/rev). I would have thought 1 pulse/rev, but then it idles at 3000 rpm, which clearly isn't right. I think I ended up selecting 3 pulses/rev because it "seemed about right".
It's an old OMC tach and at this point I only use it for more relative measurements, and don't trust the absolute readings.
I guess I need to calibrate it with an inductive tach.
posted 03-26-2002 02:32 PM ET (US)
When I weighed 120lbs with my 35hp and a 10x13 prop, it would barely get me out on 1 ski. The newer motors can do it easier but being 220 you have to be majorly underpropped.
posted 06-23-2002 12:03 AM ET (US)
i have a 1973 13' sport w. a 1991 yamaha 40 and at wot I get 42 on fish finder spedo with battery mom dad and me 6 gallon tank full factory prop and smooth water
posted 06-23-2002 01:41 AM ET (US)
This thread is a nice addendum to a discussion of the right prop for a Sport 13 with a 1982 Johnson 35 HP. (See http://continuouswave.com/ubb/Forum4/HTML/000361.html
Last fall, I tested three props on this boat: a OMC OEM 11x9 aluminum, a Quicksilver 10.5x11 aluminum, and an old OMC OEM (?) 10x13. The tests were made at Boyd Lake (about 30 miles north of Denver) at 5000 ft. altitude with winds less than 5 MPH. The trim position for the 11x9 was the middle hole only, for the other two I used both the middle and next to top holes. Speed was indicated by a paddlewheel. Boat load was about 270 lbs. of passengers, a 20 lb anchor (left over from windy Texas lakes), and one fairly full fuel tank.
11x9 22 mph 5800 rpm. Easy to pull the kids on a tube.
10x13 (suggested as optimum by several forum members)
Given earlier comments on props by forum members, I would have expected the 10x13 to turn at at least 5100 rpm at the best trim angle. Also, I experienced mild porpoising with this prop that I did not experience with the other two.
Clearly, this particular 10x13 is a real bowser on the boat. (I must say it never did perform that well close to sea level). On the other hand, the old 35 hp may have just run out of torque at this altitude.
Eventually, I will get a newly designed aluminum 10x13 to try.
posted 06-23-2002 10:28 PM ET (US)
I have a 2000 GLS with a 99 Yamaha 40 HP 2 stroke. It will not run anything near that 35+. Use an aluminum prop and will run in the low 30's.
As a 59 year old 210 skier, it works fine. The secret is to use a Connelly Wide body slalomn ski. Up with no effort.
posted 06-24-2002 08:08 AM ET (US)
My 67 13 has an antique 1968, 25 Evinrude...motor is tight, strong and still fairly reliable....
FYI though the only thing it can blow off is my ballcap if I don't have on backwards ! !
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