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David HK

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  • Gender
    Male
  • Location
    HK

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  • Occupation
    Retired
  • Boat Name
    Mechanician
  • Boat Location
    HK

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David HK's Achievements

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  1. Yes, Thanks. The link that David Mack gave had the IWA and I discovered their database . Its very comprehensive
  2. Can anyone point me to a list of canals and waterways with the authority they are the responsible of. Better still a map, with that information, colour coded, that can be enlarged (SVG format? ) without distortion.
  3. I have seen many of your other posts so I think I will go with my original thought on the post.
  4. So, does the last post actually mean anything to 99.999% of people ? Looks a bit like ego preening. For me, Just going to load up a stack of batteries and see if I need more . The Paracetomol effect ( because electrical always gives me a migrane) or any other sciencey stuff is irrelevant to what I need. I just wanted to make sure I understood what I was reading on the label. No PhD involved.
  5. Thanks to all who contributed. Yes, I have now seen the vetus items. Was suprised I didn't find that sooner. The thought about the cpacity of the steering pump is well made and will try and get the largest. The ram(s) will be a double acting cyliner I think. Depeneds how long a stroke I can get but If not adequate then I will just design a lever advantage mechanism to give me 90 Degs. Thanks all again. Oh, the rope and pulleys info, that must have been designed by a RN Engineer. Read like an instruction manual for battle damage to the steering gear and how to rig last ditch emergency steering !!
  6. Thank you for exaclty the form of answer I was looking for. I was a little confused looking at conversion calculations where it meantioned how dividing by 0.88 gave a C10 rate which then showed 852 amps. However all is clear in that I guess what it was actually describing was the more you suck out, the less it lasts. Deep cycle LA Forklift 2v cells are normally fine on the 20% to 80% curve and there seems an awful lot of cheap cells about. We were going with LIFEPO4 but I think at the way prices are going we can wait awhile fot that route and save a ton of cash in the budget. Thanks again.
  7. 1) Telemotor Hydraulic refers to a non pumped liquid displacement, piston to piston arrangement. Loads of these kits for outboard setups. A powered hydraulic system will be total overkill and, yes, will have little feed back, wereas a telemotor system does. 2) Notwithstanding peoples personal preferences and experiences, we are looking to fit the system for a practical purpose. 3) What I am searching for is not experiences but info on systems. There is a dutch barge narrowboat design for sale on one of the FB pages and they have wheel steering. Maybe I will try and find it again and ask them.
  8. Sometimes I despair that I cannot get a straight answer. Do you know ( in theory ) what the time would be? It being wether you would or would not do it, of no consequence?
  9. Is there a narrownboat specific kit for moving the rudder using telemotor hydraulic. I see plenty for outboards and widebeams / dutch barges with wheel steering but can't seem to find a beefy enough kit suitable for a narrowboat.. Are they homebrew kits? Would welcome some practical infor on how to make the conversion. Maybe even electical with linear acuators?
  10. If I have a battery bank ( Lead Acid flooded cell, ex forklift ) rated 48v 750aH C5 then how long will it discharge for at 100amps? 100% to zero.
  11. FYI - Because you think you know me, therefore you think you can treat me like a moron, I shall say this, then just ignore you and your unhelpfull tone. I have been a qualified mechanical marine engineer for over 50 years. From scrubbing engine room plates to, being IC of a carrier propulsion unit, to being a charge engineer of my own department, managing refit projects in the millions and projects in underground facilities. I am a qualified submariner, Bisley marksman and Judo 1st Dan Black Belt, which like the answers you gave has zero relevace to the subject in hand. I have the abilty to understand English because being native born, living in a foreign land, I teach it now in my twilight years and have professional quals so to do as well as writing a book on the subject. I also understand rules, regs and laws through my experiences before. In the service I co chaired meetings with PSA and Dockyards on ship issues and civil engineering issues. I am not an electrical expert but that means I have a cadre of people whom I worked with before that actually designed the systems on the RNs new carriers and air defence ships. Narrowboat tech is Lego to them. However, Rule one: In any project, ask the knowledge base for their views. Even though your mates are more knowledgable on stuff in general. Rule two: Study the problem because loacal time served experts will always throw you a curve ball. Rule three: Suffer no fools. In regard of rule one. I do not know the Liverpool area but it is highly possible we will build our boats there AND ........... because the local builders are inland on estates and have their own fit out operations, it is highly unlikely they would be forthcoming in the sort of info we need. THAT IS THE EXTENT OF MY ENQUIRY, SO BE NICE AND NOT PEDANTS. Read the regs. OVER 12 passengers. NOT how you describe. Does not include crew.
  12. WTF HAS THAT GOT TO DO WITH A HARD STANDING ? Oh nothing. I rest my case. On the facts we have posted before , you don't think we have the basic gumption to understand the regs and consult before we commit? Maybe you do, not me.
  13. I AM THE OTHER SIDE OF THE WORLD FFS. I HAVE NO EXPERIENCE OF THE AREA. I AM TRYING TO ASK A SIMPLE QUESTION NOT HAVE PEOPLE TRY AND JUDGE ME. ENOUGH ALREADY.
  14. @Alan de Enfield Now your unipressed that I have no idea what your on about regarding fitting out? NOTE: fitting out NOT building a shell.
  15. And that is relevant to finding a fitting out place ... how? Last time I looked the regs don't list places.
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