lesson on twin stepp take off
03-29-2009, 05:53 PM
#41
can you think of a reason why your friends were reversed?
03-29-2009, 05:55 PM
#42
[QUOTE=omerta one;2831857]
great info thanks!
how do you find the neutral position on the outdrives on a boat?
do you start by leveling the boat trailer and then level the outdrive cavitation plate??
The reason is if the drives are tucked 'too' far at speed in a hard turn, it is more likely to spin-out/roll a twin stepped hull due to the added stern lift. I never have my drives tucked all the way in when turning (rule #1 of driving a stepped hull). QUOTE]
The drives should not be trimmed below level when turning at speed...period.
The drives should not be trimmed below level when turning at speed...period.
how do you find the neutral position on the outdrives on a boat?
do you start by leveling the boat trailer and then level the outdrive cavitation plate??
03-29-2009, 08:36 PM
#45
like on reply#32 the bravo drives come with a spacer,the only difference is the location of the spaces,front or behind the ram bolt, on bravo 1 the spacer is located in front and on bravo 3 the spacer is behind,mine where reversed,wont know if thats my problem until I go out again.
can you think of a reason why your friends were reversed?
can you think of a reason why your friends were reversed?
No, I wasn't clear. The spacers were between the upper and lower housings, to put the prop in deeper. I think they were only 1" spacers. He never had any blowing out like you are experincing, so I'd have to assume the 1" spacers did the trick.
__________________
Some people are like Slinkies - Not really good for anything, but they
bring a smile to your face when pushed down the stairs.
Some people are like Slinkies - Not really good for anything, but they
bring a smile to your face when pushed down the stairs.
03-29-2009, 09:21 PM
#46
Gold Member
Gold Member
Do not trim below that when turning at speed.
03-30-2009, 08:14 AM
#48
Charter Mod
Charter Member
04-04-2009, 06:58 PM
#49
update
Ok I switched the trim limit blocks to the front of the trim cylinder bolt as it should be on a Bravo 1 and took the boat out for a ride,much better,
all I have to do is accelarate to 3200 rpm and planes out pretty good,
Thanks for all the help!
Ok I switched the trim limit blocks to the front of the trim cylinder bolt as it should be on a Bravo 1 and took the boat out for a ride,much better,
all I have to do is accelarate to 3200 rpm and planes out pretty good,
Thanks for all the help!
04-04-2009, 10:31 PM
#50
Registered
Join Date: May 2007
Location: Boyne/Charlevoix , MI
Posts: 295
Likes: 0
Received 0 Likes
on
0 Posts
Boatnt,
Probably won't tell ya anything you don't know but....
Last year I bought a '02 340 PQ with 496HO's and 28 B-1's twin step. I was having quite a learning curve coming from a single 330 Bravo with a 23P.
Two things that helped me:
Drives down deep and full tabs. As she starts to nose back down and come on plane, I trim the drives and lift the tabs.Feels like something kicking it in the azz.
Secondly, I just raise the rpm's to about 1200-1500 for 10-20 seconds to get the speed up a bit while the hull is still in the water, Before I really try to get it on plane. But Yeah, If trying to get it on plane over 3500 RPM she'll blow out.
Just by getting the hull speed up a bit before take off makes the tabs full down less required
BTW Beautiful boat and congratulations!! If ya make it to Northern Lake Mich give us Charlevoix / Boyne guys a buzz.
Probably won't tell ya anything you don't know but....
Last year I bought a '02 340 PQ with 496HO's and 28 B-1's twin step. I was having quite a learning curve coming from a single 330 Bravo with a 23P.
Two things that helped me:
Drives down deep and full tabs. As she starts to nose back down and come on plane, I trim the drives and lift the tabs.Feels like something kicking it in the azz.
Secondly, I just raise the rpm's to about 1200-1500 for 10-20 seconds to get the speed up a bit while the hull is still in the water, Before I really try to get it on plane. But Yeah, If trying to get it on plane over 3500 RPM she'll blow out.
Just by getting the hull speed up a bit before take off makes the tabs full down less required
BTW Beautiful boat and congratulations!! If ya make it to Northern Lake Mich give us Charlevoix / Boyne guys a buzz.
