1939/40 Triumph 350cc 3TW  Frame no. TL33302

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Lot 439
1939/40 Triumph 350cc 3TW
Frame no. TL33302

Sold for £ 3,450 (US$ 4,848) inc. premium
1939/40 Triumph 350cc 3TW
Frame no. TL33302
A development of Edward Turner’s ground-breaking Speed Twin 500, the 350cc Tiger 85 would be one of WW2’s earliest casualties, being cancelled in September 1939, only to be resurrected as the basis of Triumph’s response to the Ministry of Supply’s specification for a military motorcycle. Coded ‘3TW’, the latter was a 350cc overhead-valve twin that departed from Triumph’s customary practice by virtue of its unitary construction engine/gearbox and the adoption - for the first time on a motorcycle - of alternator electrics. An all-alloy engine helped the 3TW comfortably meet the Ministry’s requirement that machines weigh less than 250lbs, and even when the aluminium shortage meant that a cast-iron barrel and ’head were adopted, the 3TW remained commendably light. It was also quite powerful, overly so in the Ministry’s opinion, but was acceptable once suitably de-tuned and the contract duly went to Triumph. Sadly, few - if any - machines had been delivered when Triumph’s Priory Street works was destroyed during the blitz on Coventry in November 1940, and all means of producing the 3TW were lost. This machine’s all-aluminium 3TW engine was purchased by its late owner at the National Motorcycle Museum autojumble in the 1980s, the cycle parts being obtained separately. Sadly, Peter Green passed away before its reconstruction could be finished. The machine is offered in need of completion and sold strictly as viewed.
1939/40 Triumph 350cc 3TW  Frame no. TL33302
1939/40 Triumph 350cc 3TW  Frame no. TL33302
1939/40 Triumph 350cc 3TW  Frame no. TL33302
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