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Search took 0.00 seconds. Search: Posts Made By: 44'cruisingcat
Forum: Multihull Sailboats 10-08-2008, 17:25
Replies: 47
Views: 12,588
Posted By 44'cruisingcat
It's not difficult to set up ackerman geometery...

It's not difficult to set up ackerman geometery on hydraulic steering. I seriously think it would be a complete waste of time. It's neccessary on a car because the tyres don't (normally) slip.
...
Forum: Multihull Sailboats 08-08-2008, 16:17
Replies: 47
Views: 12,588
Posted By 44'cruisingcat
It's not set in stone yet, but most likely an...

It's not set in stone yet, but most likely an Ultraflex system similar to Dave's (Catmando).
Forum: Multihull Sailboats 08-08-2008, 14:40
Replies: 47
Views: 12,588
Posted By 44'cruisingcat
Sorry, I must have missed this post when you made...

Sorry, I must have missed this post when you made it. Thanks for the kind offer, but I now feel confident that the system I'm going to use will be suitable. It was only Hydrive's (over) specifying of...
Forum: Multihull Sailboats 14-07-2008, 20:09
Replies: 47
Views: 12,588
Posted By 44'cruisingcat
Bob Oram tends to make his boats long for their...

Bob Oram tends to make his boats long for their size. It would have less space than most 36-38 foot French production boats, but with longer slimmer hulls.

There are no exotic materials in the...
Forum: Multihull Sailboats 13-07-2008, 18:49
Replies: 47
Views: 12,588
Posted By 44'cruisingcat
Don't be envious! Your boat's in the water -...

Don't be envious! Your boat's in the water - mine's still in the shed!
Forum: Multihull Sailboats 13-07-2008, 15:59
Replies: 47
Views: 12,588
Posted By 44'cruisingcat
Sean, many thanks for taking the trouble to check...

Sean, many thanks for taking the trouble to check out your system for us.

I can't easily link my rudders mechanically, it will have to be a 2 ram system. Keeping the rudders aligned shouldn't be...
Forum: Multihull Sailboats 13-07-2008, 15:53
Replies: 47
Views: 12,588
Posted By 44'cruisingcat
It's difficult (although possible) for me to...

It's difficult (although possible) for me to mechanically link my rudders. The hulls extend about 3 metres behind the bridgedeck, so I'd need a couple of bellcranks or similar. Also, I'm committed to...
Forum: Multihull Sailboats 12-07-2008, 15:50
Replies: 47
Views: 12,588
Posted By 44'cruisingcat
Thanks Sean. Food for thought. It's good to know...

Thanks Sean. Food for thought. It's good to know you still get some feel. I expect on passage the autopilot will be doing almost all the work, the hand steering will be mainly for when I'm "just out...
Forum: Multihull Sailboats 12-07-2008, 15:11
Replies: 47
Views: 12,588
Posted By 44'cruisingcat
G'day Sean, thanks for the input. How do you find...

G'day Sean, thanks for the input. How do you find 5 turn L/L? I'm hoping to get somewhere between 2 and 3 turns. (preferably closer to 2) Your steering must be very light with that kind of reduction.
Forum: Multihull Sailboats 12-07-2008, 15:06
Replies: 47
Views: 12,588
Posted By 44'cruisingcat
You can fit a bypass round one cylinder (or both)...

You can fit a bypass round one cylinder (or both) to re-align the rudders. The method is to motor along in a straight line, and just open the bypass valve. The rudder is straightened by the water...
Forum: Multihull Sailboats 12-07-2008, 14:58
Replies: 47
Views: 12,588
Posted By 44'cruisingcat
Really, hydraulic steering is just a different...

Really, hydraulic steering is just a different method of gaining mechanical advantage. It's just a different kind of reduction gear.

There's a mechanically steered Schionning, "Cheetah" which is...
Forum: Multihull Sailboats 12-07-2008, 13:26
Replies: 47
Views: 12,588
Posted By 44'cruisingcat
Hydraulic Steering in Multihulls

I've been trying to pin down exactly what my requirements are for a hydraulic system. The steering manufacturers, IMHO, seem to be overspecifying by incredible amounts.

Hydrive reckon I will...
Showing results 1 to 12 of 12

 
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