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01-09-2008, 14:49
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#1
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Building a Bateau TW28
Join Date: Nov 2005
Location: Iroquois, Ontario
Boat: Bateau TW28 Long Cabin
Posts: 3,585
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Steering options?
What are my options for steering systems? Conventional systems are cable, pulley/cable, hydraulic etc. I'm considering the Aziprop from Fisher Panda and it'll rotate 180 degs. This will pretty much eliminate everything listed above except pulley/cable systems. Are there any other options? Electro/servo maybe? Links would be appreciated.
__________________
Yours Aye! Rick
~^~^~^^~^~^~^~^~^~^~^~~^~^~~^~^~^^~~^~^
"It's not the boat "you built" until you've sworn at it, bled on it, sweated over it, cried beside it and then threatened to haul the POS outside and burn it!"
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01-09-2008, 17:08
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#2
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Registered User
Join Date: May 2006
Location: Nicholasville, Kentucky
Boat: 15 foot Canoe
Posts: 14,192
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I imagine your steering station to be quite far from your rudder post? Rack and pinion are problem out the question.
Kind regards,
JohnL
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01-09-2008, 17:14
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#3
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Building a Bateau TW28
Join Date: Nov 2005
Location: Iroquois, Ontario
Boat: Bateau TW28 Long Cabin
Posts: 3,585
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Quote:
Originally Posted by SkiprJohn
I imagine your steering station to be quite far from your rudder post? |
12-15 feet max depending on how far we stretch the trawler. The problem I'm struggling with is the 180 deg swing for a quadrant, not gonna happen.
__________________
Yours Aye! Rick
~^~^~^^~^~^~^~^~^~^~^~~^~^~~^~^~^^~~^~^
"It's not the boat "you built" until you've sworn at it, bled on it, sweated over it, cried beside it and then threatened to haul the POS outside and burn it!"
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01-09-2008, 18:26
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#4
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Registered User
Join Date: Mar 2003
Location: Philippines in the winters
Boat: It’s in French Polynesia now
Posts: 11,369
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On a powerboat with their smaller rudders I'd say go with the wrap-around cables (P/S) for the 180º action. (careful with backing). Adjustable backlash too! 
__________________
Faithful are the Wounds of a Friend, but the Kisses of the Enemy are Deceitful! ........
The measure of a man is how he navigates to a proper shore in the midst of a storm!
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01-09-2008, 21:02
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#5
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Moderator Emeritus
Join Date: May 2007
Location: Ohio
Boat: Now boatless :-(
Posts: 11,580
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Rotary hydraulic motor and gear/chain/pulley drive?
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02-09-2008, 05:37
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#6
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Building a Bateau TW28
Join Date: Nov 2005
Location: Iroquois, Ontario
Boat: Bateau TW28 Long Cabin
Posts: 3,585
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Quote:
Originally Posted by Ex-Calif
Rotary hydraulic motor and gear/chain/pulley drive? |
That'd probably work Dan. I was looking for hyd motors last night that'd work with a standard Seastar helm pump. Trying to find torque specs from Fisher Panda on their Aziprop is like finding hens teeth though.
__________________
Yours Aye! Rick
~^~^~^^~^~^~^~^~^~^~^~~^~^~~^~^~^^~~^~^
"It's not the boat "you built" until you've sworn at it, bled on it, sweated over it, cried beside it and then threatened to haul the POS outside and burn it!"
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02-09-2008, 06:43
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#7
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Moderator Emeritus
Join Date: May 2007
Location: Ohio
Boat: Now boatless :-(
Posts: 11,580
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I also thought about mounting the motors on top of the rudder post and driving direct but that would preclude an easy "emergency" tiller or steering hook up.
Hydraulic would be cool because you don't have long runs - if you want really complicated you could make it fly by wire and only have an electric transducer behind the steering station - whoo hoo. Let's over engineer the crud out of it!
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02-09-2008, 08:46
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#8
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Moderator Emeritus
Join Date: Sep 2006
Location: Chesapeake Bay
Boat: Bristol 35 Bellesa
Posts: 13,564
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Have you considered something like this:
MerCruiser Axius | Change Course.
I saw another one like it that allowed you to hold the bow pointed at a a bouy while doing circles around it but I can't find the link.
__________________
Sing to a sailor's courage, Sing while the elbows bend,
A ruby port your harbor, Raise three sheets to the wind.
......................-=Krynnish drinking song=-
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02-09-2008, 09:27
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#9
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Building a Bateau TW28
Join Date: Nov 2005
Location: Iroquois, Ontario
Boat: Bateau TW28 Long Cabin
Posts: 3,585
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Quote:
Originally Posted by Ex-Calif
I - whoo hoo. Let's over engineer the crud out of it! |
That's the Coast Guard way and that's me! Let's have at it! Then when it's all said and done we'll crunch the numbers and realize I can't afford the solution and end up goin' with a clothes line pulley and some clothes line wire! *sigh*
__________________
Yours Aye! Rick
~^~^~^^~^~^~^~^~^~^~^~~^~^~~^~^~^^~~^~^
"It's not the boat "you built" until you've sworn at it, bled on it, sweated over it, cried beside it and then threatened to haul the POS outside and burn it!"
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03-09-2008, 13:26
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#10
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Registered User
Join Date: Oct 2007
Location: Cape Town
Posts: 69
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Disk-Quadrants could give you the 180+ degrees you need. Delmarrey's got the right idea. Sorry- I just like the simplicity.
If you want to get really decent control that's clean and positive you could go for Jefa's transmission system or possibly the Lewmar (formerly the very agricultural Whitlock) equivalent.
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