The V 20 hits 50mph tops, but any faster ?

bgreene · #1 08-21-2009, 02:15 PM

Fifty miles per hr is plenty of speed, but anyone ever find a way to run one of these much faster ? Say 60 mph ?

Come on you V20 " purists" ...........live a little !!

Bygracealone · #2 08-21-2009, 02:36 PM

Let's wait to hear what Craigan's top speed will be with my old V (dually) and the 225 on that bracket... I bet she'll fly.

kheid · #3 08-21-2009, 03:27 PM

never 60 but on a smooth day out of the river i hit 53.3 on the gps !!!!!!! felt very fast and smooth !!!!!!! .....I only went straight , no turns !

THEFERMANATOR · #4 08-21-2009, 03:34 PM

Quote:

Originally Posted by kheid

never 60 but on a smooth day out of the river i hit 53.3 on the gps !!!!!!! felt very fast and smooth !!!!!!! .....I only went straight , no turns !

I've had my HYDRA-SPORTS that fast with my 225(or at least that's what the cowling says

), and it weighs about 800 pounds more in just hull weight. I believe 60 is possible, but the deep vee hull has drawbacks at those speeds. A deep vee hull will continue to climb up the faster you go so there is less boat in the water the faster you push her. The problem lies in the fact that at a certain speed there is so little of the boat hull in the water that she eventually becomes very unstable.

RABBITFISH · #5 08-21-2009, 04:38 PM

I have pushed the limit with my 225 Yamaha once or twice and it ran up to 54 mph, by gps, however it was not very reassuring the way the boat felt under me....It felt like at any minute it would lose control...much more stable around the 40 mph range.....

cterrebonne · #6 08-21-2009, 06:18 PM

im sure a single 300x on a adj jackplate with it propped out for top end would run 60. strong engine. i think though that going over 65 with out any serious amount of hp would not be possible.

RidgeRunner · #7 10-13-2009, 07:45 AM

Quote:

Originally Posted by bgreene

Fifty miles per hr is plenty of speed, but anyone ever find a way to run one of these much faster ? Say 60 mph ?

Come on you V20 " purists" ...........live a little !!

250 hp isn't enough. I tried but will concede the trial in defeat.
You could reach 60 with a modified motor I think it would take 280 or 300 hp on a light version set up for speed. I never felt the boat was out of control at 54. It handled great. There are some out there now running 54 or better with less hp than what I tried. I have concerns about the additional weight of the added hp and just how practical is it?
Max hp = 225. That is a great recommendation IMHO.

THEFERMANATOR · #8 10-13-2009, 09:43 AM

I'm pretty sure a MERC 280HP 2.5L would push a V20 up into the 60 MPH spectrum. Then again the V20 is a fishing boat so why do you need to push it that far? The only reason I built up my 225 on my HYDRA was for economy, the added grunt was just a bonus. I knew that the lower cruise RPM's on that big looper would help keep the fuel sucking in check, and the porting let's it wind up easier as well to help out. The 225+HP at the prop is just a bonus for when I need to rocket the boat fully loaded on plane in 15 inches of water.

RidgeRunner · #9 11-09-2009, 08:35 AM

A bad stator and a long wait on parts have been slowing me down. Went to River Ranch this past Sat. Lots of nice rigs there "testing" top end. I took a good friend over to watch the hot boats. We put in at Port Hatcheneha and ran past River Ranch which is somewhere around 35 miles each way. The 250hp Merc pushed the 20' Center Console to 57.0 mph on the GPS turning the 21p Thunderbolt to 6000 rpm.(on the limiter) The conditions were less than perfect. Steady 20 gusting to 30 out of the east. Best number was seen running into a headwind of 15 with a light chop on a leeward side of an island, never saw that number again. It will go 55 in dead calm water and the prop never looses bite in heavy chop. With 600 lbs of people full of fuel and water, 94 quart igloo slap full and more tools than I normally carry just in case...
The handling of the boat was nothing less than predictable. A steady cruise at 4000 rpm put me at 38 mph. Very close to the 40 I was searching for. There is more speed in it if someone wanted to bankroll my efforts but I think the current setup and prop is good enough. Thanks to spare as he was correct on the prop. The motor was laying down on top end last time out due to the stator, I just didn't realize it.
Captpete is the winner, he guessed 56. pm forthcoming.

spareparts · #10 11-09-2009, 08:31 PM

Hey, I don't Pete has won just yet, I have yet to have a turn at the wheel(you did say it was insured, right?)