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47 Fountain
- Thread starter dykstra
- Start date
Perlmudder
New member
that would be one fast mofo!
They have built triple 6 boats so there is no reason that 1075's couldn't be done. Personally I think a twin 1075 boat would be a better choice and probably not that much slower than a trip boat. In most trip applications you only get about 10 mph from the third motor, probably wouldn't get another 20 mph from a 1075.
MarylandMark
Charter Member
When you run a trip boat the center engine can't really hook up. The center throttle will always be about 1/3 the throw of the other 2 and the rpms will be the same. On the 47 you can see the center motor just throwing water into the air until the boat nears top speed. Then you have to throw more throttle at it, the tail lays down, and you run up the last 7-10 mph. My buddy's 47 with trip 670's and Bravo XRs ran right at 100 mph but still needed a little tweeking. The best set up for that boat is twin 1000 hp or so engines and 6's. With that you could run over 100 with AC, genset, head, etc. and your 8 closest friends
Coolerman
Charter Member
twin 1200's would probably be almost as fast, if not faster.
MarylandMark
Charter Member
Thanks Ted.
I've only been on a few trip boats and they all run a larger prop on the center drive.
1200's add in the issue of needing race fuel (if talking Merc and if talking new Fountain since that's all the use) which would make them more hassle than it's worth to most people. I love to see it none the less!
I've only been on a few trip boats and they all run a larger prop on the center drive.
1200's add in the issue of needing race fuel (if talking Merc and if talking new Fountain since that's all the use) which would make them more hassle than it's worth to most people. I love to see it none the less!
Ratickle
Founding Member / Super Moderator
When you run a trip boat the center engine can't really hook up. The center throttle will always be about 1/3 the throw of the other 2 and the rpms will be the same. On the 47 you can see the center motor just throwing water into the air until the boat nears top speed. Then you have to throw more throttle at it, the tail lays down, and you run up the last 7-10 mph. My buddy's 47 with trip 670's and Bravo XRs ran right at 100 mph but still needed a little tweeking. The best set up for that boat is twin 1000 hp or so engines and 6's. With that you could run over 100 with AC, genset, head, etc. and your 8 closest friends
Is it the same issue with Arnesons?
Perlmudder
New member
how about one with turbines? has it been done?
dd24skater
New member
Floatindirty
New member
Coolerman
Charter Member
here's a 47 with trip 900's in Norway
http://www.youtube.com/watch?v=jzuRBeHGN8M
http://www.youtube.com/watch?v=jzuRBeHGN8M
JayFan
New member
that boat is for sale right now..I just saw it..Lake Cumberland has it.
http://lakecumberlandmarine.com/used_vehicle_details.htm?vehicleId=f6fd1ccc4046381c0084de3c056ab4ee
http://lakecumberlandmarine.com/used_vehicle_details.htm?vehicleId=f6fd1ccc4046381c0084de3c056ab4ee
dd24skater
New member
The best we ever did in there was 110, there was more left.
No steps, this was Reggies old race boat.
Bullhead
Contributor
I saw a 1996 42 for sale in PRA mag a year or so ago that had turbines in it that made 1050 hp each....I think the guy said it would run 105 all day long
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