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1648 lowe with 1100cc kawasaki inboard jet ski motor and pump 110 hp at the pump. Got 52 mph gpsd, 47 mph loaded with genny 4 batteries and two guys. Just bored it out, ported and polished exhaust ports havent got to run it out yet with the rebuild still breaking in but it feels a lil more powerfull.
 
You have any pics, I think on the old forum you had building pics?
1648 lowe with 1100cc kawasaki inboard jet ski motor and pump 110 hp at the pump. Got 52 mph gpsd, 47 mph loaded with genny 4 batteries and two guys. Just bored it out, ported and polished exhaust ports havent got to run it out yet with the rebuild still breaking in but it feels a lil more powerfull.
 
2072 250 vmax loaded or unloaded 63. Starts trying to come out of the water. Guess I need more stuff on the front
 
I dropped off my little boat to have a motor, side console, jackplate, and steering rigged on Tues. I cant wait to find out what it'll do.
 
we have an 18-60 with a 135 johnson highest gps speed has been 49mph. that was 3 people all the gear and a 5500w genny. most i have seen since the fan build is 46mph.
 
Ive had mine up to around 85mph..............behind the truck ! :laugh:


I have an 18x72 F&F with a 150hp Mercury. But I'm running a jet drive lower unit. My boat will run about 33mph.
I had the same motor on my 20x72 F&F with a 19 pitch prop and it would run 46 with three people and loaded !
So if I had a prop I would run in the high forty's I'm sure with this hull.

On my old 20 footer before I rigged it all out with fan and stuff the 150 would run almost 60 in slick water ! Buddy that's hauling azz in a flat bottom !
 
Right now it depends on how fast the truck is going thats pulling it!! LOL Still working on it!!!!!!!
 
Monarch 1648 - with the 15hp outboard...15 - 20 mph with two guys, then horribly slow loaded with fish
-With the Long Tail Go-Devil...about 10
 
i also have a 1436 dc with a 25 merc thatle run 33 with me and one person in it
 
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