Lamp­kin Beezer

Classic Dirtbike - - Letters -

I read with in­ter­est your ar­ti­cle on yet an­other works BSA – Mart’s Beesa. It is very im­por­tant (to me at least) that as many de­tails as pos­si­ble are gleaned at this time as the wit­nesses are fast dis­ap­pear­ing.

A few ob­ser­va­tions if I may – the first is that both this and Sid’s bike are de­rived from the BSA Vic­tor GP as op­posed to the pro­duc­tion C15T which used the heav­ier frame of the Vic­tor En­duro amongst oth­ers.

To make it more suit­able for tri­als, the wheel­base is short­ened by fit­ting the swing­ing arm from the En­duro/c15t/vic­tor Spe­cial etc, which is an inch shorter than the GP and by putting an ex­tra de­gree or two into the top yoke. You can see the rake on the very first big pic­ture – day­light at top yoke greater than bot­tom. Also you will note the chain­guard is fixed to the welded-on boss on the swing­ing arm.

The pic­ture of the three broth­ers is very re­veal­ing as it shows the painted (yel­low) GP tank com­plete with bung on Sid’s bike – I think Mart’s one was also yel­low in this pic­ture; it might have been painted white later, and it would have had the tank with the bung – they have done away with the air­box (too heavy) and use a bit of fab­ric to shield the air fil­ter and electrics from the mud. The works en­gines all had a dis­tinc­tive points cover turned from a lump of alloy – this is a bit of a se­cret to dis­tin­guish works bits – both Sid’s and Martin’s bikes had them.

Works bikes tended to have nickel-plated frames – both do – the plat­ing bath was right next to the comp shop.

The forks are in­ter­est­ing as they are bolt-up end caps and are chrome-plated – again a works thing – I don't know the ori­gin of the forks but they are longer than pro­duc­tion items.

You show a pic­ture of the bulb horn sit­u­ated ad­ja­cent to the seat loop of the GP frame – un­used for the tri­als seat as they were at­tempt­ing to keep the seat lower – this loop was cut off the works scram­bles bikes in 1967.

Both hubs would be Bantam – be­ing so much lighter than oth­ers.

I would say that Martin’s bike was as much a works bike as any other – it has bits only avail­able from the comps depart­ment and it would have been dif­fi­cult to get hold of a GP frame at that time. At around this time, per­haps a lit­tle later, Scott El­lis had a GP framed C15 – it would even­tu­ally trans­mo­grify into the Ot­ter.

Some bikes were fit­ted with a scram­bles cam, which made it a bit lively to ride – hence you usu­ally saw the works BSAS take sec­tions at speed! The frame shows signs of some­one adding brack­ets for bits and pieces and the ig­ni­tion sys­tem would have been en­ergy trans­fer – which the works me­chan­ics took a lot of trou­ble to set up and which did work, so I am told. Thank you for a very in­ter­est­ing ar­ti­cle. Mike Wadsworth Email Hi Mike, the prob­lem all mag­a­zine edi­tors have – and we’ve dis­cussed this be­fore – is space. For bikes such as the Lamp­kins’ BSAS I could eas­ily have filled the mag­a­zine with in­for­ma­tion. Thanks for solv­ing a few queries as well, per­haps we ought to do a de­fin­i­tive Vic­tor piece too… TB

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