Jump to content
Strawberry Orange Banana Lime Leaf Slate Sky Blueberry Grape Watermelon Chocolate Marble
Strawberry Orange Banana Lime Leaf Slate Sky Blueberry Grape Watermelon Chocolate Marble
W+T

Bow thruster for a Norman 44 ?

Featured Posts

1 hour ago, magnetman said:

I think you could quite easily mount a Minn Kota trolling motor on some sort of customised bow mount and arrange 180 degree rotation for it. 

 

If you got something like a 60lb or more 24v unit it would have quite a bit of grunt. 

Might look a bit funny but much easier than a tube based thruster. 

 

If it was mounted in a vertical tube near the anchor roller it could be lifted out easily enough. 

 

Set it so that "park" would be pushing the boat directly backwards and allow 90 degrees each side. It might even act as a generator when not being used if it was set up opposite direction to the main propulsion. 

 

That would be quite a fun project actually. Lower units for Minn Kota's are not too much money even shipped from the US. 

 

Then customise the mounting and use a PWM speed controller for it. 

 

Example motor unit about £300 plus about £40 for the right prop. 

 

https://www.ebay.co.uk/itm/MINN-KOTA-SALTWATER-RIPTIDE-80-POUND-LOWER-UNIT-ASSEMBLY-VARIABLE-PN-2886227-/253003779562

 

 

I've used one of these on one of the boats and it has a hell of a lot of poke. Not very efficient for full time use but as a thruster it would be very effective. 

 

and how on earth are you going to arrange to keep the thing out of the way when it is not needed, and to steer the damn thing remotely?

 

your proposal sounds like a bit of Bizzard eef wobinsum stuff.

Share this post


Link to post
Share on other sites
10 minutes ago, Machpoint005 said:

 

Which accounts for about one day in how many, 50, 100?

who knows

Share this post


Link to post
Share on other sites
1 minute ago, Machpoint005 said:

T'ain't every day, or every other day, though, is it?

Nope

Share this post


Link to post
Share on other sites
10 hours ago, Murflynn said:

and how on earth are you going to arrange to keep the thing out of the way when it is not needed, and to steer the damn thing remotely?

 

your proposal sounds like a bit of Bizzard eef wobinsum stuff.

Linear actuators.  Bearing in mind you would only really need two positions so it could be arranged so that the limit switches on the actuator stop it in the right place either left or right propulsion. It is heath robinson but a hell of a lot cheaper than a bow thruster and less invasive. 

 

It might be an alternative idea to fit a bow mounted rudder to counter wind effects. If you had a blade on a vertical bearing you would only need to be able to move it a few inches to one side to have a major effect on the direction of the boat. 

 

Maybe a motor isn't even needed at least when underway. 

 

 

Share this post


Link to post
Share on other sites
8 hours ago, magnetman said:

Linear actuators.  Bearing in mind you would only really need two positions so it could be arranged so that the limit switches on the actuator stop it in the right place either left or right propulsion. It is heath robinson but a hell of a lot cheaper than a bow thruster and less invasive. 

 

It might be an alternative idea to fit a bow mounted rudder to counter wind effects. If you had a blade on a vertical bearing you would only need to be able to move it a few inches to one side to have a major effect on the direction of the boat. 

 

Maybe a motor isn't even needed at least when underway. 

 

 

all quite luvverly 'til u hit a floating log.

Share this post


Link to post
Share on other sites
31 minutes ago, Murflynn said:

all quite luvverly 'til u hit a floating log.

Are you thinking of the K&A ?

You shouldn't be emptying your toilet in the canal.

  • Haha 1

Share this post


Link to post
Share on other sites
1 hour ago, Alan de Enfield said:

Are you thinking of the K&A ?

You shouldn't be emptying your toilet in the canal.

nahh! I ate hate the K&A near Bristle.  As you say, too many floating logs, and also dumpster 'vessels'.   

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now

  • Recently Browsing   0 members

    No registered users viewing this page.

×
×
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.