30 Spectre tunnel tab ????
09-26-2006, 12:19 PM
#21
Racer
Racer
Re: 30 Spectre tunnel tab ????
We run a large tab in our Race AMT. It is nearly never used in race conditions and can make the boat extremely light. I would recommend using it much.
09-26-2006, 12:45 PM
#22
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Re: 30 Spectre tunnel tab ????
[QUOTE=mikesufka]Vegas30cat
What kind of top end numbers are you seeing? Props? I think I'm getting 14.5 X 32 Merc Cleavers.
15" diameter might work better. Ask the guys who have Spectres.
What kind of top end numbers are you seeing? Props? I think I'm getting 14.5 X 32 Merc Cleavers.
15" diameter might work better. Ask the guys who have Spectres.
09-26-2006, 12:59 PM
#23
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Re: 30 Spectre tunnel tab ????
[QUOTE=Brad Zastrow]
Ive had better (WOT) results with larger diameter wheels. I was also told by a couple of set-up guys in the application like yours (ours) to spin the diameter first then the pitch.
With that said I have a pair of 14.5x30 4 blades that work very well (go figure)
My top speed props are 15x32 3 Blades.
Originally Posted by mikesufka
Vegas30cat
What kind of top end numbers are you seeing? Props? I think I'm getting 14.5 X 32 Merc Cleavers.
15" diameter might work better. Ask the guys who have Spectres.
What kind of top end numbers are you seeing? Props? I think I'm getting 14.5 X 32 Merc Cleavers.
15" diameter might work better. Ask the guys who have Spectres.
With that said I have a pair of 14.5x30 4 blades that work very well (go figure)
My top speed props are 15x32 3 Blades.
09-26-2006, 03:21 PM
#24
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Re: 30 Spectre tunnel tab ????
I have a 2001 30 with 300x's and absoultly love the boat. I have never been in a nicer cat for this size. The boat does hop in the 50 to 75 mph range. I put my tab down in this range to minimize this. It works fine. I do not use it over 75 because there in no further need for it. One other thing the girls love it for getting in to the boat on the sand bar. Just got a pair of merc 15" x 32's l will let you know what I think.
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09-26-2006, 11:38 PM
#28
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Re: 30 Spectre tunnel tab ????
Originally Posted by berns29scarab
i have a 98 30 spectre with 2003 300x's on 8" jackplates, x dimension is 1 5/8's of an inch above the hull spinning 14.5 x 30's and she runs 102mph...with my 15x32's she ran 107+ and have put over 200hrs on this boat...she has a mild porpoise that comes in around 60 mph and goes away at around 80 with little trim. if you trim the motors between 60-80 it will subside by 40%...it has never been an issue with mine. i've run the boat solo, full of fuel, lite on fuel, 5 passengers makes no diff. this boat never gave me an unsettling feeling. the only time it hops is when its to calm...1ft chop or better and there is NO porpoise...perfect cruise speed for mine is 80 on the button...hull goes to work ride smoothes out and its GAME ON.
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