Bblades is telling me that they always recommend spinning in on BT's for more bow lift. Saying that too much stern lift is an issue with these boats.
Thread: Drive height
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05-18-2016 06:43 AM
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05-18-2016 08:44 AMWell, Brett certainly knows a lot.
The good thing is you have Bravo's. Changing to test takes about 10 minutes......Getting bad advice is unfortunate, taking bad advice is a Serious matter!!
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05-19-2016 07:40 PMDid Chris answer you?
Getting bad advice is unfortunate, taking bad advice is a Serious matter!!
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05-19-2016 10:05 PM
Sorry... Busy as hell. Mine are 3 under. Interesting that's what BBlades told you bc I was told the exact opposite by them when they did my props last year. Lmfao...
I ll try it though
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05-19-2016 10:07 PM
Also... Looking for a 741 crane cam or 525 EFI takeout cam. Had a gremlin find a home in a lifter
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05-20-2016 09:59 AM
Correct. Std length lowers
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05-20-2016 11:25 AMThanks that gives me somewhere to start from
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05-21-2016 02:31 PM
Regarding adding bow lift vs stern lift, I know the later 46's had stern lift built into them and they handled muuuuch better, however, some people argued that it slowed them down a few mph. On some of the earlier 46's like Bingham had, I believe he had 5 blades and the boat ran good as it was. I know John P's trip eng 46 ran better when he put on shorties. There area lot of BT's out there as well where the bow runs too high, more so some of the 43's....
One thing is for sure, each BT is unique and they all run just a bit different. A lot this can do with motor options and other weight distribution factors (IE: if the boat had a generator, fridge, big stereo, heavy blower motors vs stock power, etc). The last style hull from BT with 700's and NXT's was the ticket, ran 90mph and handled great.
On our boat (a completely different setup, 43 flat deck and 6's), we don't have enough bow lift spinning in at slower speeds, but it flattens out as you get going faster. Spinning out is great up to about 100 or so (rides like a caddy and handles like a go-cart with sticky tires), then it gets too much stern lift at 100+.
If it were up to me and I had a 46 with Bravo's, I'd probably try -2's with 5 blades and adjust the hull for stern/bow lift as needed. Making hull adjustments really isn't that hard to. That way you can run an off the shelf merc or hering prop so it is easily replaceable if it gets damaged, and it isn't hard to match.Last edited by Coolerman; 05-21-2016 at 02:38 PM.
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05-22-2016 05:46 PM
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05-23-2016 05:32 PMI'm curious on that too Jason.
Getting bad advice is unfortunate, taking bad advice is a Serious matter!!
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05-28-2016 12:17 AMCome on Jason...
Any tests yet Craig?Getting bad advice is unfortunate, taking bad advice is a Serious matter!!
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06-08-2016 11:35 PM
You can add some turn downs or widen the strakes on the front pad of the boat to add bow lift, or do the same on the first strake in on the outside chine on the back of the boat to add stern lift.
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07-05-2016 10:38 PMAny test information yet?
Getting bad advice is unfortunate, taking bad advice is a Serious matter!!
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07-15-2016 04:36 PM
My boat seems to run better downhill