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Trimming motors in a following sea
- Thread starter Mouldz
- Start date
Hey Mouldie, from what I understand, you move as much weight as possible to the back and trim your engines up, this lifts the nose so your shoulders dont dig in, but I am sure that the more experienced guys can give you more advice. Have you guys been out on your new lee-cat yet?
RoryC wrote:
Nope ,the new/second hand Honda150s were fetched in Knysna yesterday by my boss ,boat should be ready end next week,
I understand if both motors are trimmed up but how does trimming one motor help??Maybe I misheard them but I am sure he was saying one or the other ???
Hey Mouldie, from what I understand, you move as much weight as possible to the back and trim your engines up, this lifts the nose so your shoulders dont dig in, but I am sure that the more experienced guys can give you more advice. Have you guys been out on your new lee-cat yet?
Nope ,the new/second hand Honda150s were fetched in Knysna yesterday by my boss ,boat should be ready end next week,
I understand if both motors are trimmed up but how does trimming one motor help??Maybe I misheard them but I am sure he was saying one or the other ???
RoryC wrote:
Yep cant wait going to have so much space after fishing off the little Supercat. BTW if you know anyone wanting to buy the Supercat let me know
Ah lovely - that is going to be an awesome ride when she is finished.. only one engine, havent heard that one before - I alsways trim both up!
Yep cant wait going to have so much space after fishing off the little Supercat. BTW if you know anyone wanting to buy the Supercat let me know
FishExcutnr
Sealiner
the leecat runs like a butt with a following sea. ie very forgiving. You can trim her all the way in and she just rides heavy, you come down the swell and the boat eats water and slows down. this in not efficient. So you want to trim her up so there is less wet area on the hull, so she glides and dosent dig.
Trim is all relevant to the boat and where the crew weight is. The easiest thing is trim both engines fully in, start to run with the sea ( same goes for into the sea). Now trim both up at the same time, while watching speedo, the speed should increase to an optimum point before you cavitate, that's the trim position you should hold. Now just point that leecat and run, she wont broach!
You can trim both engines individually depending on the swell direction ( ie beam) and weight distribution. you want to run her level, so adjust each engine accordingly, the side that is up trim up a little more and the side that is down trim down a little and she should even out.
Enjoy, that is a very good boat, dosent get enough air volume in the tunnel so can bang a little into head sea, but never heard of a guy complain of a leecat 800 with a following sea!
Trim is all relevant to the boat and where the crew weight is. The easiest thing is trim both engines fully in, start to run with the sea ( same goes for into the sea). Now trim both up at the same time, while watching speedo, the speed should increase to an optimum point before you cavitate, that's the trim position you should hold. Now just point that leecat and run, she wont broach!
You can trim both engines individually depending on the swell direction ( ie beam) and weight distribution. you want to run her level, so adjust each engine accordingly, the side that is up trim up a little more and the side that is down trim down a little and she should even out.
Enjoy, that is a very good boat, dosent get enough air volume in the tunnel so can bang a little into head sea, but never heard of a guy complain of a leecat 800 with a following sea!
FishExcutnr wrote:
Very muchly thankyou LOL,janee the viskoors is high ,nextweekend to the Island ,jippekayjay
the leecat runs like a butt with a following sea. ie very forgiving. You can trim her all the way in and she just rides heavy, you come down the swell and the boat eats water and slows down. this in not efficient. So you want to trim her up so there is less wet area on the hull, so she glides and dosent dig.
Trim is all relevant to the boat and where the crew weight is. The easiest thing is trim both engines fully in, start to run with the sea ( same goes for into the sea). Now trim both up at the same time, while watching speedo, the speed should increase to an optimum point before you cavitate, that's the trim position you should hold. Now just point that leecat and run, she wont broach!
You can trim both engines individually depending on the swell direction ( ie beam) and weight distribution. you want to run her level, so adjust each engine accordingly, the side that is up trim up a little more and the side that is down trim down a little and she should even out.
Enjoy, that is a very good boat, dosent get enough air volume in the tunnel so can bang a little into head sea, but never heard of a guy complain of a leecat 800 with a following sea!
Very muchly thankyou LOL,janee the viskoors is high ,nextweekend to the Island ,jippekayjay
FishExcutnr wrote:
As a LEECAT owner, I am sure that I am qualified to comment based on my experience...... trim as indicated above and your baby will perform at its best...... the boat is VERY forgiving..... you WILL enjoy it.the leecat runs like a butt with a following sea. ie very forgiving. You can trim her all the way in and she just rides heavy, you come down the swell and the boat eats water and slows down. this in not efficient. So you want to trim her up so there is less wet area on the hull, so she glides and dosent dig.
Trim is all relevant to the boat and where the crew weight is. The easiest thing is trim both engines fully in, start to run with the sea ( same goes for into the sea). Now trim both up at the same time, while watching speedo, the speed should increase to an optimum point before you cavitate, that's the trim position you should hold. Now just point that leecat and run, she wont broach!
You can trim both engines individually depending on the swell direction ( ie beam) and weight distribution. you want to run her level, so adjust each engine accordingly, the side that is up trim up a little more and the side that is down trim down a little and she should even out.
Enjoy, that is a very good boat, dosent get enough air volume in the tunnel so can bang a little into head sea, but never heard of a guy complain of a leecat 800 with a following sea!
Alway trim both your motors up in a following sea to pick up the nose, depending on your weight distribution will depend on how much, usually 3-4 bars on the Yamaha's. You should rather have your boat balanced, but you may find that you need to trim one motor down more on the side that the swell is coming from depending on your direction of travel.
The other thing that a lot of guys get confused about is that they mix up the boat yawing with broaching, this will be completely different for each boat.
Yawing is when the boat moves diagonally across is centre axis from starboard to port side of visa versa, this is completely normal as the boat will swing oneway and then the other as the swell moves past it. This only applies when you are running slower than the swell. You need to get used to the boat and learn to trust her as she does this. Depending on swell size and the power of your boat sometimes its better to run fatser than the swell and drop into the holes. On average swells move at 30km/hr.
Broaching is when the front/shoulders dig in and turn the boat completely sideways with the swell, this is very dangerous and can cause the boat to roll.
The other thing that a lot of guys get confused about is that they mix up the boat yawing with broaching, this will be completely different for each boat.
Yawing is when the boat moves diagonally across is centre axis from starboard to port side of visa versa, this is completely normal as the boat will swing oneway and then the other as the swell moves past it. This only applies when you are running slower than the swell. You need to get used to the boat and learn to trust her as she does this. Depending on swell size and the power of your boat sometimes its better to run fatser than the swell and drop into the holes. On average swells move at 30km/hr.
Broaching is when the front/shoulders dig in and turn the boat completely sideways with the swell, this is very dangerous and can cause the boat to roll.