davidc wrote:
Thanks DIY and Kandrew. How does this pump result in more power to turn the engine than just turning the engine via cable without hydraulics? I haven't figured out where the magic extra power comes from :-) |
Steps wrote: Friction? I dont understand.. I can turn my 150cable very free and easy even from the outboard end.. I would compare to a car with front wheels off the ground or lighter. The old steering cable, which had a worn inner due to a curve that looked ok but a little tight when compared to the new slightly shorter cable... And once I got the little fin under the gravitation plate right... not fighting the turn of the prop anymore. |
davidc wrote: How does this pump result in more power to turn the engine than just turning the engine via cable without hydraulics? I haven't figured out where the magic extra power comes from :-) |
smudge wrote: I doubt anyone would go back to cable steering after having hydraulic steering. Kevin is 100% right. Hydraulics are more reliable, lighter, smoother, all those good things. I don't know of any power boats that use motors, boat steering is a pretty light load anyway. The car jack analogy is a good one. Steps refers to the little trim tab under the cavitation plate, if that isn't set correctly the boat will try to turn in one direction of it's own accord and be hard to turn in the other direction. |
Kandrew wrote:
Torque from large motors when your getting up onto the plane is a totally different problem, this where a non feed back steering system can be better, this uses planetary gears to take the torque of the motor off the wheel. What I’m saying above is depending on the boat, cable steering may not work properly, I only have a 115 on my boat and had non feed back steering, but with the outbourd pod design on the back of the boat the angle and tight radius the cable had to bend to when the cable comes out of the back of the boat, meant hydraulic steering was a simple solution. This can be a problem with a lot of tinnies with pods. Being an ex auto electrician/mechanic I have driven 100s of boats with both cable and hydraulic steering and have never seen a cable system that’s better than hydraulic. https://itstillruns.com/do-trim-tab-outboard-motor-5966607.html |
smudge wrote: Not sure what the set up on your engine is Paul but on many outboards those greasing points are for the tilt tube and don't actually grease the steering arm |
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