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john.k

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    Male
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    brisbane

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    retired
  • Boat Name
    duck
  • Boat Location
    brisbane

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  1. john.k

    J2 how much crankshaft float?

    Some interesting material here.............couple of points ...a deep grove ball bearing will have some endfloat in the common C3 spec.........next.... clonking in a Velvet Drive may well be the flex plate ,which is often just like a motor car/truck clutch plate without linings........the springs in the cushion centre get worn and loose.....To replace ,you obviously have to separate the box from the motor ,or whatever.........third......about 15 years ago we did some interesting hydraulic drives for a contractor barge set........normal Linde pump,but with a small Linde bent axis motor mounted on a stalk.........a hyd outboard ,as it were...........the beauty of this setup is obvious .....no stern gland ,no rudder ,steering at deck level......and if an obstacle is struck,the whole thing folds back,just like an outboard......but Linde stuff aint cheap,but Chinese knock off hydraulics is..
  2. john.k

    Pelapone Ricardo

    Why not a 3 or 4cyl Perkins from the same era,spares available everywhere ,and cheap.........as opposed to a Dorman orphan.....unloved and unwanted......incidentally Perkins took over Dorman,in one of the govt sponsored "pay nothing,but keep on the workforce....at least till after the general election."......so you can pretend your 3/152 is a Dorman..........or even a Gardner....Perkins took Gardner on the same kind of deal.
  3. john.k

    Kelvin stay bar

    Another guess..the stay seems to be a repurposed steering tie rod from a car......what car?
  4. john.k

    Kelvin stay bar

    Its green,so it must be a Lister.......FR2....freedom series?
  5. john.k

    oil pressure and flow gpm

    The backpressure due to cold oil cant be avoided..............you should consider that the internal relief valve in the filter is lifted and bypassing a large portion of the oil.................so the finer the element the more oil will bypass the element altogether..................no filtration of maybe 70% of the flow........................heavy ,low powered engines with large oil capacity take a long time to heat up,and until the oil is around 70C,the filter isnt effective..............This is one reason most old engines used a strainer and a bypass filter........
  6. john.k

    Ebay vintage engine sales

    I d happily shift them too,but not to the Dorset Steam Fair.
  7. john.k

    Ebay vintage engine sales

    Direct reversing crankcase compression two strokes...............they seem to think they are collector items......for the advanced collector.......with a 20 ton crane.
  8. john.k

    oil pressure and flow gpm

    If you want a simple way of fitting a filter,look into a Fleetguard LF 670 adaptor kit..............there are dozens of kits to fit this filter to just about anything,...............if you want to go the full belt and braces ,also fit a bypass filter as well ,like the Fleetguard LF750.
  9. john.k

    oil pressure and flow gpm

    You cant stop some engines from doing bigends.......I rebuilt a E6 Russel Newberry, several times........Last time the engine was fitted with every kind of alarm, failsafe ,shutdown,extra filter,you name name it,and still one of the big bronze bigends smashed off the side plate....and each time it went ,a freezer full of prawns was lost.......................however,back to the canal............I would suggest you fit a custom made adaptor to take a Perkins 2654407 spin on .....these have the very common 3/4"x16tpi mount that is fairly standard in the industry...used by Perkins,Ford ,Toyota ,etc......chances of a relief valve sticking shut are remote with the use of series 3 detergent oils..............all you need is a low oil pressure shutdown/alarm.,,,,,,,,,,,,,,if you want to run the motor hours on end unattended,then a shutdown is essential......a combined fuel shutoff with low oil pressure,,high coolant temp,and maybe coolant level too ................finally ,if the oil does tend to get dirty quickly,I would suspect a coolant leak.
  10. john.k

    oil pressure and flow gpm

    If its a Vokes filter ,the design allows the element to lift against spring pressure if the paper blocks............with modern detergent oil ,the chance of the element blocking is low,but cold oil also lifts the fllter until the oil warms up..............i had a Mack truck once had over 100lb pressure cold,oil would force out between the head and block from the rocker oilways......Mack cured the problem by changing the filter design to include an extra relief valve..........most automotive pumps will pump 300psi easily,without mechanical failure.
  11. john.k

    Ebay vintage engine sales

    I did see the Paxman 5RW genset...........I had one the same electrics with a Russel Newbery E6 on it.........lovely motor,blew up half a dozen times,Ive still got the big radiator and oil cooler ........the rad has got "Russel Newbery" cast into the top tank...........great conversation piece........free post to the UK?...why not.
  12. john.k

    Ebay vintage engine sales

    Junk is junk.................silly people thinking they want it doesnt change that.
  13. john.k

    Kelvin F4 rebuild

    Seems a shame to go to all that trouble and not refit a period correct magneto.
  14. john.k

    2LW Starter battery

    My point being failure to start came as a complete surprise.........and could have been in a sticky situation...........admittely on a canal,a sticky situation would probably only involve mud.
  15. john.k

    Coventry Victor cooling options

    The fuel pump parts now come from Bosch India...........Bosch India is the source of all Bosch/CAVmechanical pump and injector components now.,where the parts are the Bosch/CAV type......ie not later ,and not Simms or Bryce.
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