"NOYB" wrote in message
nk.net...

"Wayne.B" wrote in message
...
On Thu, 17 Nov 2005 02:43:25 GMT, "NOYB" wrote:

I've been boating for over 20 years, buy have never owned a twin screw
boat
this size (31' LOA...10'7" beam). It should be a learning experience.

=============================================

There are a few new tricks but with a ouboards that can be steered,
you can handle it almost like a single. One of the issues with twin
OBs is that the props are not usually far enough apart to generate the
steering torque necessary to turn the boat in its own length, as most
twin inboards can by putting one engine in forward and the other in
reverse.

Thanks, Wayne. I heard that you can compensate a little bit by increasing
the throttle with the reverse engine.



Once you learn to properly operate twins you will love them. What helped me
with my first boat with twins (IO's) was to think of the throttles as a
handle bar on a bike. To turn the bow to port put the port in reverse and
starboard in forward. Your hand position would be the same as if you were
turning a bike to the left.

The boat looks like a beauty. Congratulations.

" *JimH*" wrote in message
...

"NOYB" wrote in message
nk.net...

"Wayne.B" wrote in message
...
On Thu, 17 Nov 2005 02:43:25 GMT, "NOYB" wrote:

I've been boating for over 20 years, buy have never owned a twin screw
boat
this size (31' LOA...10'7" beam). It should be a learning experience.

=============================================

There are a few new tricks but with a ouboards that can be steered,
you can handle it almost like a single. One of the issues with twin
OBs is that the props are not usually far enough apart to generate the
steering torque necessary to turn the boat in its own length, as most
twin inboards can by putting one engine in forward and the other in
reverse.

Thanks, Wayne. I heard that you can compensate a little bit by
increasing
the throttle with the reverse engine.



Once you learn to properly operate twins you will love them. What helped
me
with my first boat with twins (IO's) was to think of the throttles as a
handle bar on a bike. To turn the bow to port put the port in reverse and
starboard in forward. Your hand position would be the same as if you were
turning a bike to the left.

The boat looks like a beauty. Congratulations.


Just make sure to keep the wheel/ drives centered when using the throttles
to maneuver.

On Thu, 17 Nov 2005 11:47:36 -0500, " *JimH*" wrote:


"NOYB" wrote in message
ink.net...

"Wayne.B" wrote in message
...
On Thu, 17 Nov 2005 02:43:25 GMT, "NOYB" wrote:

I've been boating for over 20 years, buy have never owned a twin screw
boat
this size (31' LOA...10'7" beam). It should be a learning experience.

=============================================

There are a few new tricks but with a ouboards that can be steered,
you can handle it almost like a single. One of the issues with twin
OBs is that the props are not usually far enough apart to generate the
steering torque necessary to turn the boat in its own length, as most
twin inboards can by putting one engine in forward and the other in
reverse.

Thanks, Wayne. I heard that you can compensate a little bit by increasing
the throttle with the reverse engine.



Once you learn to properly operate twins you will love them. What helped me
with my first boat with twins (IO's) was to think of the throttles as a
handle bar on a bike. To turn the bow to port put the port in reverse and
starboard in forward. Your hand position would be the same as if you were
turning a bike to the left.

The boat looks like a beauty. Congratulations.


Did you mean a bike, or a tricycle? They aren't the same, if there is anything
other than *very* slow speed on the bike.

--
John H.

"Divide each difficulty into as many parts as is feasible and necessary to resolve it."
Rene Descartes

"John H." wrote in message
...
On Thu, 17 Nov 2005 11:47:36 -0500, " *JimH*" wrote:


"NOYB" wrote in message
link.net...

"Wayne.B" wrote in message
...
On Thu, 17 Nov 2005 02:43:25 GMT, "NOYB" wrote:

I've been boating for over 20 years, buy have never owned a twin screw
boat
this size (31' LOA...10'7" beam). It should be a learning experience.

=============================================

There are a few new tricks but with a ouboards that can be steered,
you can handle it almost like a single. One of the issues with twin
OBs is that the props are not usually far enough apart to generate the
steering torque necessary to turn the boat in its own length, as most
twin inboards can by putting one engine in forward and the other in
reverse.

Thanks, Wayne. I heard that you can compensate a little bit by
increasing
the throttle with the reverse engine.



Once you learn to properly operate twins you will love them. What helped
me
with my first boat with twins (IO's) was to think of the throttles as a
handle bar on a bike. To turn the bow to port put the port in reverse and
starboard in forward. Your hand position would be the same as if you were
turning a bike to the left.

The boat looks like a beauty. Congratulations.


Did you mean a bike, or a tricycle? They aren't the same, if there is
anything
other than *very* slow speed on the bike.

--


Yes, I mean your relative hand position when turning the handle bars on a
bicycle. Turn left and your left hand is down (towards your body) and
right hand pushed up (away from your body). Turn the bow on your boat to
the left (port) with the engines your left hand goes down (putting the port
engine in reverse gear) and your right hand goes up (putting the starboard
engine in forward gear).

I always sterned into the dock. The port engine generally stayed in reverse
and I did all/most of the maneuvering with the starboard engine (going
between forward and reverse gears). I never touched the steering wheel.

It worked for me. ;-)

NOYB wrote:
I just sent the check to the surveyor yesterday. Survey is being done on
Friday. I'm looking at the boat on Saturday. The official survey won't be
sent to me until Monday or Tuesday, but the surveyor said that he'd give me
a verbal thumbs up or down by Saturday.

By Saturday at noon, I could be burning $350 worth of gas travelling on the
boat en route to Naples from the seller's marina near Tampa.

I've been boating for over 20 years, buy have never owned a twin screw boat
this size (31' LOA...10'7" beam). It should be a learning experience.


So what have you almost bought?

Did you choose gas because you got a huge discount compared to a diesel
boat, or do you actually prefer gas?

If you have never operated a twin screw boat, it isn't that hard to
learn but you will want to stay mentally sharp- particularly at first.
I operate a single screw most of the time, so when I am called upon to
operate twins I wind up deliberately thinking my way through the
process- but running my single is almost "instinctive". If you have
operated smaller twin screws, the upsize to 31' won't be a huge issue-
and in many respects a larger boat can be a little easier to operate
(greater inertia) than a smaller one. You do have less room to recover
if you get into trouble with a larger boat, but if you stay out of
trouble in the first place you should be fine.

wrote in message
oups.com...

NOYB wrote:
I just sent the check to the surveyor yesterday. Survey is being done on
Friday. I'm looking at the boat on Saturday. The official survey won't
be
sent to me until Monday or Tuesday, but the surveyor said that he'd give
me
a verbal thumbs up or down by Saturday.

By Saturday at noon, I could be burning $350 worth of gas travelling on
the
boat en route to Naples from the seller's marina near Tampa.

I've been boating for over 20 years, buy have never owned a twin screw
boat
this size (31' LOA...10'7" beam). It should be a learning experience.


So what have you almost bought?

Grady White 30' Marlin



Did you choose gas because you got a huge discount compared to a diesel
boat, or do you actually prefer gas?


Twin Yamaha outboards. I need a shallow draft boat down here. They're
2-strokes because all of the four-stroke boats were too much money for my
budget.

But if you look at Yamaha performance specs for the 250 hp two-stroke vs.
the four-stroke, the two-stroke's fuel economy at cruise is not far off from
the four-stroke.

2-stroke: Almost 33 mph yielding a little over 1.4mpg
4-stroke: Approx. 30 mph yielding just under 1.6mpg

At trolling speed and WOT, there is a much bigger difference though with the
2-stroke.



If you have never operated a twin screw boat, it isn't that hard to
learn but you will want to stay mentally sharp- particularly at first.
I operate a single screw most of the time, so when I am called upon to
operate twins I wind up deliberately thinking my way through the
process- but running my single is almost "instinctive". If you have
operated smaller twin screws, the upsize to 31' won't be a huge issue-
and in many respects a larger boat can be a little easier to operate
(greater inertia) than a smaller one. You do have less room to recover
if you get into trouble with a larger boat, but if you stay out of
trouble in the first place you should be fine.