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terryb

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Posts posted by terryb

    FV432 driving on street query

    in Tracked vehicles

    Posted

    crossing a tarmac path without turning should be ok, but.........

    not advised in this heat as tarmac will be too soft

    DO NOT turn, as it will lift the tarmac.

    with my council, it is illegal to cross a pathway to gain access, unless an authorised  dropped kerb has been constructed (here they have to be concrete) oh, and you have to pay for it!

    There was an instance some years back, where a chap damaged a tarmac path by driving a 432 across it at 45 degrees-got sued for £6700 plus costs...........

    cvrt clutch and direction lever

    in Tracked vehicles

    Posted

    you'll notice that idle speed increases slightly when fwd/rev knob is halfway, as there's obviously less drag, as moving less mass around. If the clutch drum isnt driving anything, and as it rotates freely around a roller bearing that's attached to the driven part of the clutch, then eventually it will pick up speed.

    Your idle is too high-get the tickover smoother first-here's how;

    make sure in neutral, engine at operating temperature

    turn idle screw down to lowest possible speed'

    turn one of the mixture screws in or out to achieve the highest possible smooth idle (you may need to turn the idle speed down as you do this)

    now for the other  mixture screw-again, turn the idle down to lowest idle speed possible, and repeat the above.

    when done, set idle to 500 rpm

    also;

    lubricate the fwd/rev linkage

    make sure gearbox oil level is correct. remove and make sure gearbox oil filter element is clean, and that the correct grade of oil is used.

    terry 

    CVRT break downs

    in Tracked vehicles

    Posted

    Only had 5 breakdowns in 30+ years of cvrt road use;

    toothed fan belt broke; slipped spare one which is always kept lockwired in place, on at side of road-1/2 hour and a spanner.

    road wheel shed its rubber-middle one so not crucial-other one on axle good, so carried on.

    brake pad friction material fell off metal back  plate-fitted new one at side of road

    Diesel filter unscrewed itself-screw it back on

    lift pump stopped-gave it a clout!

     

    Discussion on the bling ferret

    in Tracked vehicles

    Posted

    I got critised in a military magazine for showing a Hagglund in a 3 colour camo scheme of my own choice-so what? it was stunning and photos appeared all over the web!  A company called repaircraft had all white and all black scorpions-even the war and peace show commissioned a 432 and an Abbott in high gloss blue which looked amazing. Do your own thing and enjoy it!

    Terry   

    Diesel IN CVRT worth it or not

    in Tracked vehicles

    Posted

    5 hours ago, sexton said:

    I think the original poster has his answer about the complexity of doing the conversion but I must say I like driving our diesel Scimitar a bit more than the J60 versions. The Cummins engine has a fantastic reputation for reliability, it starts so quickly in any weather it startles me, and it has tons of low-down power. 

    I'm curious, the much lower rpm limit must have required different gearing. Is that the case? 

    Malcolm

    The cummins produces all its torque much lower down the rev scale, so it needs a much bigger clutch with a larger surface area, and as chris says a different set of input gears to try and achieve the same performance levels using a diesel with a much lower maximum rpmThe MoD have gone through 3 substantial gearbox modifications in an effort to improve reliability (bearing in mind the cummins was downrated to suit the CVRT)  when a much better overall solution would have been to use a common rail diesel and remap it to suit the petrol gearbox. This has been done by a company using a 3.2 litre with astonishing results.Terry

    Tank mounted guns ????

    in Weapons/Accessories

    Posted

    I would recommend a RIF (replica imitation firearm) or airsoft M240-these are very close to a GPMG, are beautifully made to a very fine standard, cock and strip, require no paperwork, and are a fraction of the price of a deactivated one. Various sites selling all metal machine guns, including those rotating barrel miniguns!

    Terry

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