V 20 performance

[spareparts]

Ok, we've had so many questions about hp vs weight vs speed from a diverse colection of varying combinations of basically the same hull. It would be interesting to find what top speed, cruise speed, and fuel usage would be for each variation of V-20. Post your speed, cruise, fuel usage, year model, type of propulsion( I/O, OB, Brand, and hp) that your V experiances on an average outing. We get enough info and I'll put in a spread sheet for future reference. I will start by stating my 81 V runs O mph, burns no gas, gets nul mpg with a 200 hp Mercury outboard, that doesn't run( can't wait to get back to work on it)

[tsubaki]

Ain't stuck mine back in the water since the first attempted run but did get to 5000rpm and 42mph with a 14 x 19 SS prop before the sensor problem.
Didn't have time to test the GPH portion but will do so next run!

[harbour]

I'm not sure mine floats ??? ???

[reelapeelin]

42 mph (GPS) @ 6000 rpms @ WOT ...that w/a 15.25 x 17 x 3 SS prop

Cruises 30 mph @ 4400rpms

Fun I have on this boat...endless... ;D ...

[clyde]

i have a 84 v20 fisherman. it has 1986 200hp merc. with a 17 pitch four blade the max rpm is 5800 @ 40-41 mph by gps. changed to my spare prop with a 19 pitch three blade & the max rpm went to 6200 @ 39 mph. don't know the exact dia. of each prop but the 19 pitch is said to be for a sterndrive unit & is larger in dia., it barely has clearance on the foot. the 17 pitch is smaller dia.

[tsubaki]

Hey cass, Welcome to the site!

[spareparts]

clyde! you made it :D

[macojoe]

1975 with 165 I/O (chevy 250) Curz at 25 top out 30 with a 15 X 15 1/2 prop. 4800 rpm's, Needed a big prop to get out the hole with a heavy load.

Converted with a Stainless Marine Bracket, and 175hp Yamaha, curz 30 and top out 40, 5300 RPM's with a 15 X 15 1/2 prop

Now 1987 Evinrude 175, crz 30 top out at 38 with a Stainless Prop 14 1/2 X 19 don't know the rpm's

[Seacrets]

Had an 86 cuddy. four blade 17" pitch on a 2000 150 Mercury carbourated. Ran 44.7 mph on gps @ 5500 rpm @ just about 2 mpg. Had a 17" aluminum and 19" s.s also but really liked the hole shot with the four blade.

[randlemanboater2]

1984 Cuddy w/ 2003 Johnson (Suzuki) 140 4-stroke.

With 14x19p prop, 25 gal. fuel, 1 person, 40 mph (gps) @ 6200 rpm.

With 14x21p prop, same everything else, 39 mph @ 5800 rpm.


Don't have a fuel monitor but when I fill up and compute, I get right around 5 mpg, thats when I average 20-25 mph over the trip.

I have never gotten less than 4.2 mpg. *That was running 12 to 14 mph into 3 foot seas.

(All speeds and MPG's are "statute", not KNOTS)

[Blue_Runner]

2004 Yamaha 150 2 stroke carburated engine.

42 mph (GPS) @ 5300 rpms @ WOT ...can't remember the prop diameter but its a 17 pitch.

Cruises 29 mph @ 3800rpms or there about.

BUT I only get 2.5 mpg at cruise :'( >:( ::) :(

[phester]

86 cuddy w/ 150 Johnson oceanrunner [1992] standard 3 blade aluminium 15 x 17. Cruise 28-29 mph at 3900 wot around 40mph at 5300 RPM. Mpg unknown....it doesn't "sip" fuel, and it's not a gas hog either. All in all, I'm happy w/it

[charlie_the_tuna]

86 cuddy i/o.
350/260 alpha one.
ss prop.
cruises at 2,600-2,800 rpm.
dont know how fast.
maybe around 20-25 knots.
dont know economy but its pretty dam good.
wide open she runs like a dog without a leash.
guessin around mid 50's.
dont open her up very often and when i do its just a minute or so.
happy with her but wish gas was cheaper.

[shicks007]

76' cuddy w/ factory saddle tanks (40 gal total)
150 hp evinrude 2 stroke w/ 15x17 allum. prop
44 mph gps at 5800 rpm

[bcmarinamanager]

1992 V20 CC
1992 200HP Merc.
prop...?very old aluminum-hope to start playing with it next year, trying out different, and going stainless.
WOT-5800rpm 45mph on GPS with half load and curtains on.
Cruise-30-32mph @ 4500rpm @ just over 2mpg. Thats right, I'll get about 24 miles out of 10 gallons @ cruise with three people on board.

[msbhammer]

78 V. No motor or gps. Still waiting on free donations to get correct speed. ;D

http://i47.photobucket.com/albums/f153/msbhammer/DSC02978.jpg

[macojoe]

Sure looks purdy now!! ;)

[Skools Out]

um why don't we save time and pull the old post like this up that was like 10 pages long of all of our info prop speed motor and yr?