- This topic has 29 replies, 9 voices, and was last updated 7 years, 7 months ago by
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Jack
I self installed a 24v 300S on our boat in 2013. The same forward battery is used to power the Windlass.
I did all the install work except for a fiberglass pad that needed to be built on the hull where the unit lives.
This unit works great when the wind is less than 15 knots. Above 15 knots I've sometimes wanted more ummph.
I'm not sure one of their duplex units could be fitted on the 424 but it would be worth investigating. Also not sure if it would be cost effective. I'm not sure how much more $$ I would have put into a thruster to get the extra uumph I only rarely need.I (and the Admiral) will never go back to docking or maneuvering in tight marina quarters (fueling) without a thruster of some type.
Rick
Eclipse #73
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I talked to a salesman at a boat show a few years back about the external units. They look to be of pretty good quality and I haven’t heard anything bad about them. Of course you can expect a reduction in sailing performance on the order of half a knot I am told, but I don’t think it should be that much based on what I saw. I believe the fellow told me that one had been installed on a 424 and the owner disagreed with the maker of the unit regarding it’s installation. Specifically the angle at which the unit was mounted. He reportedly felt a more ‘streamlined’ arrangement would work better and had an angled shim of some sort installed. The company disagreed but did it anyway. That’s all I know. Perhaps the individual who had this unit installed will read this and enlighten us further. I too am intrigued by the idea but that will have to wait, probably indefinitely.
David
#189, Blue Moon -
Thanks, David. I just purchased one on Amazon at a good price. I’m wondering how the forward water tank might force me to mount it more aft than recommended.
Gary
#116
JB Moates-
Gary…
Not sure you saw my repost of what I sent last year to CalicoJack.
Hopefully he will chime in as well.
I installed mine immediately aft of the front water tank. Plenty of room there for the post and electrics… just not much room to work in..I self installed a 24v 300S on our boat in 2013. The same forward battery is used to power the Windlass.
I did all the install work except for a fiberglass pad that needed to be built on the hull where the unit lives.
This unit works great when the wind is less than 15 knots. Above 15 knots I’ve sometimes wanted more ummph.
I’m not sure one of their duplex units could be fitted on the 424 but it would be worth investigating. Also not sure if it would be cost effective. I’m not sure how much more $$ I would have put into a thruster to get the extra uumph I only rarely need.
I (and the Admiral) will never go back to docking or maneuvering in tight marina quarters (fueling) without a thruster of some type.Rick
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The windlass is a lewmar 24v model. The thruster folks recommended optima batteries charged via a sterling 12v to 24v charger that feeds off of the house bank when it is being charged. This has worked well so far.
BTW.. Yacht thruster contends that this unit offers no more drag than the tunnel style thrusters.
Happy to answer any install questions once you get going…
Rick
Eclipse #73 -
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I really donât see any drop in my sailing/powering performance. I
donât see the 1/2 knot drop, Itâs got to be insignificant. The Thruster bullet
shape vs a conventional 12â hole in your bow areaconvinced me to go this route. âYour mileage may varyâ.JackCalico Jack
Attachments:
270022213471606696.pdf
4799812803392710856.jpg
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Rick:I installed the same unit. Mine is a little aft of the water tank bulkhead.
I had the yard do the actual install and glass work and I did all the electrical
work. The battery is in the space between the water tank and the bulkhead. I
have the parallel switch in the âVâ seat slot. As you said I have had it act a
little slow in high winds. I also would never go back to docking without a
thruster.JackCalico Jack
Attachments:
270022213471606696.pdf
4799812803392710856.jpg
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Hi David:I canât imagine a more streamlined design,especially vs the conventional
standard of a 10â to 12â hole drilled through the bow of your boat. What is more
streamlined than a bullet/ torpedo shape? I honestly have not experienced
a noticeable 1/2 knot decrease in boat speed, under sail or power. Even if
I did have a 1/2 knot speed loss the trade off for fantastic maneuverability
would be more than worth it to me.Jack on âMOJOâCalico Jack
Attachments:
270022213471606696.pdf
4799812803392710856.jpg
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I talked to a salesman at a boat show a few years back about the external units. They look to be of pretty good quality and I havenât heard anything bad about them. Of course you can expect a reduction in sailing performance on the order of half a knot I am told, but I donât think it should be that much based on what I saw. I believe the fellow told me that one had been installed on a 424 and the owner disagreed with the maker of the unit regarding itâs installation. Specifically the angle at which the unit was mounted. He reportedly felt a more âstreamlinedâ arrangement would work better and had an angled shim of some sort installed. The company disagreed but did it anyway. Thatâs all I know. Perhaps the individual who had this unit installed will read this and enlighten us further. I too am intrigued by the idea but that will have to wait, probably indefinitely.
David
#189, Blue Moon
Attachments:
270022213471606696.pdf
4799812803392710856.jpg
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I replied the following to a similar question. No change since then.Jack
I self installed a 24v 300S on our boat in 2013. The same forward battery is used to power the Windlass.
I did all the install work except for a fiberglass pad that needed to be built on the hull where the unit lives.
This unit works great when the wind is less than 15 knots. Above 15 knots I've sometimes wanted more ummph.
I'm not sure one of their duplex units could be fitted on the 424 but it would be worth investigating. Also not sure if it would be cost effective. I'm not sure how much more $$ I would have put into a thruster to get the extra uumph I only rarely need.I (and the Admiral) will never go back to docking or maneuvering in tight marina quarters (fueling) without a thruster of some type.
Rick
Eclipse #73
Attachments:
270022213471606696.pdf
4799812803392710856.jpg
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I installed one last December, wish I had done it 10 yrs ago! It works
great, I even got rid off my brown paper bag hat with eye holes. I used to put
it on when I docked in a congested marina!Deaton Yacht Service in Oriental ,NC was the service yard I used for the
installation. They are an authorized dealer and very familiar with the
unit.Regards / Jack Coulter âMOJOâCalico Jack
Attachments:
270022213471606696.pdf
4799812803392710856.jpg
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We had a company from Florida install ours. They travel around and that is what they do. It was a bit scary watching them use a huge hole saw on the boat, but it went like clockwork. It has made a big difference in the way the boat handles!
Janie Ashworth
217-556-1551Attachments:
270022213471606696.pdf
4799812803392710856.jpg
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The Admiral and I just got back from a 6 weeks cruise of the Chesapeake.
We were anchored in Lloyds Creek off the Wye River for a couple of days while the weather was rainy. We anchored using 100 feet of chain and 50 feet of 5/8″ 8 plait rode. The wind shifted around several times and sometimes it blew pretty good and at other times there was no wind.
When it came time to weigh anchor and leave, I discovered that the 8 plait rode had lodged itself between the aft part of the external thruster and the hull. I could not dislodge it from the deck of the boat… so I went swimming. It was easily dislodged from the water.
I have added an item to my winter haul out list… fill that space so it won’t happen again….Rick
Eclipse #73
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