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BEngo last won the day on October 14 2015

BEngo had the most liked content!

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About BEngo

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    Charlton Adam

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  • Occupation
    Retired Consulting Engineer
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  • Boat Location
    Circus Field

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  1. Upholstering a Tapered Seat

    Make a template of the bottom of the back cushion. Make another for the top. At about one foot intervals make templates for the cross section of the back cushion. Number the templates for the cross sections and mark their positions on the top and bottom templates. Stick them all together so you have a sort of cardboard ladder. Take that to your foam supplier. It will collapse to long and flat so it might be postable. The supplier will make the final piece by gluing up several smaller bits I expect. Alternativel divide the back into smaller pieces, like the seat and don't worry about the curve. Each piece will then be a rectangular wedge and the gaps in the joins will take up the horizontal curve. Much easier to cover but uses more material. N PS. Don"t make the finished back vertical or it will be a bloody uncomfortable seat!
  2. Connecting two skin tanks

    Yes. I meant get all the air out. The existing vents/bleed points should be fine. N
  3. Connecting two skin tanks

    Follow the flow pipe from the main engine to (hopefully) the top of its tank. Connect the bottom of that tank to the top of the second one ( where the other engine should be feeding in) and then the bottom of the second tank back to the main engine as well as to the other engine. Don't worry about over cooling the main engine- the thermostat will take care of that, assuming one is fitted. Caveats. Make sure you can fully vent both skin tanks in the new set-up. You may need to install swing non-return valves or full-flow lever valves in both engines' return lines to ensure that the water goes where it is wanted. The main engine circulation pump may or may not be happy with the extra flow restrictions. It will probably be OK provided the inter-tank pipe is a decent size (bigger is better) and all the bends are reasonably gentle. Both engines will have be part of the same cooling circuit, so the lowest header tank is likely to overflow. You can get sealing caps if it has the standard car radiator type cap. Top up via the highest tank Flush well and renew the antifreeze completely unless you are sure both engines are on the same type of antifreeze. N
  4. Stove Glass Replacement

    I clean mine with damp newspaper. Does not need to be done daily but only when the fire is too hard to see. N
  5. Alan, They were indeed very similar. I suspect the plan was build a fore end chunk of dayboat and then finish it off much like the conversions but without having to cut anything off. The new build boats have a horizontal rectangular section guard iron across the stern about where the exhaust? bilge pump? hole is in your piccy and the rudder stem was originally mounted in top and bottom 'bearings' attached to the stern rather than in a conventional rudder tube as pictured. Additionally there are no angles on the stern corners. Richard, I do not know if the first of the series was called Primus. There are other paraffin cookers! N
  6. The boat at Lyons is one of the Harris boats but is riveted not welded. It does have the build date and Bumble Hole on the cabin side. Over the last few years, of the Harris boats from the batch of six built in 1961-62 I have seen : Victoria (at Lyons) Kalamaki (Circus Field) Secundus ( Ashby IIRC) Tertius (T&M near Burton). The give away is the stern shape and if original, the rudder arrangement. Their swim is something to behold. N
  7. Wanted box mast looby

    Should you not find one, and assuming you can borrow one, PM me a dimensioned sketch and I will happily turn one up from mild steel. N
  8. Anyone know where?

    Ptetty sure that is the engine arm aqueduct across the BCNNew Main Line. N
  9. Thermo syphon or pumped

    I use a mag drive Johnson. There are several advertisers of much cheaper look alikes on the solar heating sites. THE BEST pump is a Bolin from Sweden but I think they are no longer producing them. N
  10. Thermo syphon or pumped

    My pump backed thermo syphon two-radiators off a Morso Squirrel system works quite happily with a steady but gentle down hill run from the top of the vertical pipe at the stove to the radiators. From the Squirrel boiler the pipe runs horizontal for about 100 mm then turns vertical and runs about 150 mm to just under the gunnel. From there it is parallel to the gunwale all the way to the header tank at the back. The return is parallel to the floor. So, allowing for the bow up trim of some 3-6 inches depending on water and diesel levels, over 46 ft , the flow pipe falls and the return pipe rises. There is a thermostat (from a domestic calorifryer) on the horizontal bit from the boiler which switches on the centrifugal type circulation pump if the pipe gets hot enough. I have adjusted it so the pump comes on just before the fire back boiler makes kettling noises. It thermosyphons well enough that we lit the stove in early September and it ran continuously for over a month without the pump ever coming on. N
  11. Spot Painting

    Patch priming is just priming only the treated patches. A poor job at any stage will show all the way through to the final finish though so do sand each coat smooth, so you can't feel any lumps and bumps in the paint, nor should you be able to feel a difference at the edge where primer gives way to original paint when you run your fingers across the edge with you eyes shut. N
  12. kabola e3

    I know nothing about the boiler, sorry, but it should be fine with plastic central heating pipes provided the first/last metre of each water connection to the boiler is done in copper piping. N
  13. Spot Painting

    Wot IDS said for now. By the spring I would expect the rust to be re-appearing so when the weather is nice remove all the patchy paint, wire brush/ sand the patches with an angle grinder and feather the edges then treat the rust with Fertan or Vactan following the instructions carefully. Patch prime, feather the edges of the primer, apply two coats of undercoat, feather the edges and sand the whole roof. Paint the patches with topcoat (one coat will do) then feather the edges and paint the whole roof. That should last a while, provided you don't walk on it (which scratches the paint) or leave things lying on it which trap water. N
  14. A to K and L to W Vintage Marine Engines .

    Oh dear. Commiserations and sympathy. N
  15. Basingstoke Canal

    I am with MtB on this. I agree the future under present ownership is bleak. However, even working on the assumption that the future of CRT is secure (one I share, though without any conviction that the future of the waterways is secure with CRT) I cannot see how CRT taking on another under resourced maintenance and water supply headache will be a good thing for the canal on the terms Surrey and Hampshire are likely to be seeking. The councils have expressed a wish " to save the 'public purse' having to pay for its maintenance" (meaning the councils want it out of their public purse and into CRT's part public purse). That indicates to me that they don't want to cough up any long-term ongoing fees to pay for the management and upkeep even though there are amenity and drainage benefits of the canal. I doubt the Councils have enough spare reserves to bung in a sufficient endowment to avoid CRT having to find money from their existing income. I also believe the prospects of CRT getting an extra grant from the Guvmint (us taxpayers) to take on a canal that has never been nationally owned is vanishingly small. CRT will also have an eye on the probability of being shafted having to spend a load more money on the EA waterways if they are transferred. So, unless there is a sudden and dramatic increase in the charitable or property income to CRT, neither of which seems likely, I think the Basingstoke is in the Elsan. There will probably be a fudge whereby the councils cough up a little money, but not enough, CRT will smile and (thinking of a gong or two) say they can do it even though they know that is not the case. The IWA will ignore realities and praise another step on the route to a single waterway management and the canal will be ceremonially transferred. CRT will then hunt frantically for savings, regardless of consequence, so bye-bye Rangers, water control and upkeep. Inevitably, like the rest of the system, it will then all steadily slide down hill. N