Top speed!!!

[earl60446]

1990 6hp Yamaha
Real old 12' vee sea nymph
8.5 x 7.5 x 3 prop
No mods
Approx 400 lb
A few seconds
19 mph

:mrgreen: :mrgreen:

Is this serious? What are those green faces for?
Speed verified by GPS? I gotta get me a yam 6hp.

Tim

 

[Johny25]

It may be a good time to inform anyone who posts unrealistic speed readings in here that if I know what your prop pitch is, gearcase ratio is, and RPM range is I can really easily call BS on outrageous claims. There is theoretical speed, real speed and then there is the physically impossible speed. And I have seen a few posts on here that are not even possible unless the laws of physics are different where you live :lol:

 

[Catman767]

Tim, Yes the speed was verified by a Garmin gps.... It was pretty rough out when I clocked it so pic was real blurry, but will post new pic when I get one....
The smiles are for " It's fun to go fast "

Jim

 

[wasilvers]

For some perspective, my 1978 16 ft tin with 50 HP on it hits 25mph. Your rides are doing awesome! I'm completely impressed

 

[redbug]

i can hit 76.3 with my 22.5 Yamaha on my Triton i have a few soldered connections do they make it a tin?

 

[littlechub]

im currently running a 16/36 with very few mods. it has a couple plywood lay in floor panels, one trolling motor battery and trolling motor. im running a 1964 evinrude sportwin 18 hp with the stock 9 1/4 x 11 prop. on gps it bounces between 21-22 mph.

 

[basstender10.6]

Not a tin, but oh well
1. 2000 Evinrude 5hp 4 stroke
2. 2004 basstender 10.6
3. Stock Prop
4. Only mod is a piece of PVC attracted to the tiller
5. 500 pounds
6. A few seconds to plane
7. 16 mph

 

[tnriverluver]

Now that is impressive with a 5hp. I really like those little bass tenders. Everything you need in a small, light package!! I considered one before buying my 8ft Basshunter but they would not fit in my toyhauler and the basshunter has built in wheels.

 

[basstender10.6]

Now that is impressive with a 5hp. I really like those little bass tenders. Everything you need in a small, light package!! I considered one before buying my 8ft Basshunter but they would not fit in my toyhauler and the basshunter has built in wheels.

If you can ever get your hands on one I highly suggest buying one. For a boat that is only 10 1/2 feet it is more stable than any 14' boat. It has built in navigation lights, livewell, 2 trolling motor ports and is comfortable for 2 people to fish. Although it does weigh 230 pounds which means you will most likely need a trailer. The 5hp is the heaviest 5 I have ever seen. The leg is the same one from the 8hp model so it adds a lot of weight.

 

[FishinsMyLife]

1. 2012 Mercury 25 4 stroke
2. 1995 SeaArk 1542
3. Stock, I'll have to check
4. None
5. 300 for the boat, 160 for the motor
6. 2 boat lengths
7. I've hit 30 with a little chop. It holds 26 all day with 3 people, a cooler, and a fishing load.

 

[Vermonster]

Motor: 1979 Evinrude 15
Hull: 1972 Richline Sportsman
Prop: Stock
Mods: Plywood/Carpeted Seats and Floor, Extended front deck with aluminum frame, low back seat.
Weight: 606 Total
126 hull
50 mods
50 battery
25 trolling motor
75 motor
40 gas
40 gear
200 me
Plane Time: 5-8 seconds
Top Speed: 25 (not WOT) - likely 27 in calm water

 

[RiverBottomOutdoors]

1. 2009 (bought new in '11) 4 Stroke Yamaha 25 SEHA
2. 1994 Alumacraft 1448 Riveted and heavily modded.
3. Stock prop
4. No performance mods
5. Not sure, a lot heavier than bare boat.
6. Not sure
7. Top Speed River: 30 mph running down stream. Top Speed Lake: 27.5 mph. Average Top Speed fully loaded: 26 mph. Average Top Speed fully loaded with 2 people: 24.5 mph

 

[shawnfish]

Motor: 1979 Evinrude 15
Hull: 1972 Richline Sportsman
Prop: Stock
Mods: Plywood/Carpeted Seats and Floor, Extended front deck with aluminum frame, low back seat.
Weight: 606 Total
126 hull
50 mods
50 battery
25 trolling motor
75 motor
40 gas
40 gear
200 me
Plane Time: 5-8 seconds
Top Speed: 25 (not WOT) - likely 27 in calm water

what gear ratio is your motor? how are you reading your speed?

 

[Johny25]

The 1979 15hp had a 2.41:1 gear case, 9.5 X 10 prop (stock), RPM 5500-7000

 

[bigwave]

Very Cool thread Buddy, I truly do love this site :mrgreen:

1. 2000 Johnson 25hp short shaft
2. 1984 Mirrorcraft Deep V Fisherman 14'

3. Standard stock prop, but im gonna change it to a ss someday.
4. No aftermarket mods to the engine.
5 Hmmm, right now guessing 400# Still not done with my mod #-o
6. TBD
7. I will guess 27 since that is my favorite number......

 

[Buddychrist]

Very Cool thread Buddy, I truly do love this site :mrgreen:

1. 2000 Johnson 25hp short shaft
2. 1984 Mirrorcraft Deep V Fisherman 14'

3. Standard stock prop, but im gonna change it to a ss someday.
4. No aftermarket mods to the engine.
5 Hmmm, right now guessing 400# Still not done with my mod #-o
6. TBD
7. I will guess 27 since that is my favorite number......

I think we will all run around 27-30 with a 14' V on a 25hp motor, really I don't think we are gonna get much better I think a new prop might get a mile or two faster.

I'm thinking about having the prop cupped once or twice to pick up on plane time and it should not affect the top speed at all.

 

[Buddychrist]

https://www.tinboats.net/forum/viewtopic.php?f=3&t=21464

I was looking for 25hp and under. It's not fair to put the bigger boats with 90-115-150hp in the same boat as the smaller engines. If I wanted that I would put my 19' sea pro 115hp merc running 50+ in the mix.

Just small engine class here, good gas mileage, quiet engine, and typically tiller steering.

It's just giving the smaller tin boats a chance to be on a leaderboard. Mainly for learning what setup is producing the best performance.

 

[turbotodd]

1. 2000 Yamaha F25ESH (4 stroke 25) zero mods
2. 2012 War Eagle 548LDV zero mods
3. Factory Yamaha 3x 9 7/8" x 11 1/4" Pitch aluminum
4. No mods.
5. Hull 348 lbs-motor 138-battery 39-me 180-gas 10lbs-gear 40 lbs-trolling motor 65lbs.
6. plane time 3.7 sec. On plane at 11.6 mph, holds plane down to about 10-ish.
7. 29.2 max (measured at 94° air temp and density altitude of 2967'...expecting 30 to 30.5 in "good" air) 5910 RPM max.

Notes: I lifed the engine on the transom anywhere from 1/2" all the way up to 2", and speed didn't change a bit. The only noticeable difference was that with it raised all the way up 2", it wanted to lift the bow a bit more before planing. Yes I messed with trim pin location. No jack plates. Have run an identical boat with identical motor, he had the motor lifted and ran a CMC, and he only ran 30 mph even on it's best day. The CMC is nice but it also moves the motor back 5.5" which makes it tougher to steer fully left or fully right. Have to reach a little further. So I did not opt for the CMC. Not needed. I can tilt mine up a lot faster than the CMC will and without having to manually lift it. Put 'er in reverse and throttle it up. Lifts right up effortlessly. Best speed is with trim pin all the way out and a VERY slight chop. Anything over 3-5" chop and it wants to porpoise.

 

[turbotodd]

1. 2009 (bought new in '11) 4 Stroke Yamaha 25 SEHA
2. 1994 Alumacraft 1448 Riveted and heavily modded.
3. Stock prop
4. No performance mods
5. Not sure, a lot heavier than bare boat.
6. Not sure
7. Top Speed River: 30 mph running down stream. Top Speed Lake: 27.5 mph. Average Top Speed fully loaded: 26 mph. Average Top Speed fully loaded with 2 people: 24.5 mph

I work on these/have mounted a bunch of F25's over the years. Check your RPM. Most of the F25's I've mounted worked better with the 2 stroke stock prop (9 7/8x11 1/4"). The stock F25 prop is a 9 7/8x10 1/2" which on the last 2 or 3 boats was underpropped (motor running on the limiter at 27-27.5 mph @ 6300-6400). One guy NEVER runs his wide open and said he wasn't worried about it. The other guy put a 2 stroke Yamaha prop on it and picked up 3 mph and change...more importantly, no more over-revving.

 

[snakes14009]

mid 60's 14ft sea king
'83 35hp johnson no mods
10 x 13 solas prop
hull with front deck 250lbs+
battery 60lbs
tm 25lbs
driver 240
28mph with smart tabs to get rid of Porpoising