commer pantechnicon and 28-32 seater commando bus chassis

1946-1948 technical service data

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this is a single page technical data sheet

showing the vehicle above

very detailed and with the following information .

( this will differ slightly depending on the models and make and from cars to commercials )

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engine

number of cylinders , treasury rating , cc , b.h.p ,

bore , stroke , compression ratio , system of cooling , 1st o.s. bore ,

max. o.s. bore , firing order , piston clearance top , piston clearance bottom ,

ring gap , no. of compression rings , width of compression rings ,

no. of oil rings , width of oil rings , oil pressure lb.sq.in. ,

gudgeon pin type , fit in piston , fit in con rod , crankpin diameter ,

min diameter for regrinding crankpin , con rod length between centres ,

type of bearing conrod , side clearance conrod , diameter clearance conrod ,

no. of crankshaft bearings , type of bearings main ,

standard main journal diameter , minimum diameter for regrinding main journals ,

main bearings length , end clearance main bearing ,

diameter clearance main bearing , end thrust taken on camshaft ,

no. of camshaft bearings , type of bearing camshaft ,

bearing clearance camshaft , end thrust taken on camshaft ,

camshaft drive type , valve timing markings ,

exhaust valve diameter head and stem , inlet valve diameter head and stem ,

valve seat angle , tappet type , inlet valve opens degrees ,

exhaust valve opens degrees , inlet valve opens no. of flywheel teeth ,

total number of teeth on flywheel , inlet valve working clearance ,

exhaust valve working clearance , are guides removable ,

carburettor make and type , choke setting , main setting ,

compensator setting , idling setting , progression drillings , air bleed .

clutch and gearbox

clutch type , facing size , gear ratio top , gear ratio third ,

gear ratio second , gear ratio first , gear ratio reverse ,

front axle and steering

camber , caster angle , toe-in , king pin inclination , track , turning circle ,

wheelbase , tyre size and pressures .

rear axle

type of axle , type of drive , ratio of no. of teeth , adjustment ,

end play ins. .

brakes

type , type of linings , lining size front , lining size rear .

springs

type , no. of coils front , coil wire diameter front , rate front ,

free length front , height front , length rear laden , width rear , no. of leaves rear ,

thickness of leaves , camber rear laden .

electrical

distributor rotation , manual advance , automatic advance , breaker gap ,

plug make and type , plug gap , firing order , ignition timing degrees ,

ignition timing no. of flywheel teeth , charging system , battery capacity ,

battery earth possitive or negative .

capacities imperial

sump pints , gearbox pints , rear axle pints , cooling system pints ,

steering box pints , radiator hose , petrol gallons .

general dimensions

overall length , overall height unladen , overall width , ground clearance ,

total weight kerb , shipping weight approx .

as you can see a very comprehensive list

very rare very collectable and they look good in a frame

in your garage above your pride and joy .