Classic Bike (UK) - - World -

In­spired by Phillip Tooth’s ar­ti­cle ‘Launch Con­trol – Pulse­jet Rocket Bike’ in the April 2015 is­sue of CB, I de­signed and built the ma­chine pic­tured above. The con­cept was to make a fully func­tional mo­tor­cy­cle that would make peo­ple won­der if it was a gen­uine sur­viv­ing ex­am­ple of an ex­per­i­men­tal pulse­jet mo­tor­cy­cle from the ’30s. Based on that idea, I em­ployed ma­te­ri­als and man­u­fac­tur­ing tech­nol­ogy that would have been avail­able at that time... more or less. The two Ar­gus valve pulse­jets – ba­si­cally scaled­down V1 rocket en­gines – are fed by two fuel pumps, giv­ing the en­gine a max­i­mum thrust of around 450 New­tons. A reg­u­la­tor sys­tem gives the op­por­tu­nity to run the en­gines with a pump pres­sure from 3 bar (at idle) to a max­i­mum pres­sure of 6-7 bar (on full throt­tle). For stop­ping the bike there is a dou­ble-rim brake on the rear wheel. We plan to test it at an old air­field soon – hope­fully it will be able to get up to 75-90mph. PER GARBOS, DEN­MARK

Reader Per’s potty pulse­jet bike (above) was in­spired by a story in CB (right)

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