A competitor in the Classic TT died after a catastrophic brake failure approaching the Creg ny Baa, a court’s heard.
Kendal racer Alan ’Bud’ Jackson died during the first lap of a Classic TT practice session on August 23.
Coroner of inquests Jayne Hughes heard the pub landlord came off his bike at around 80mph before hitting a road sign, suffering multiple injuries.
An Australian spectator captured the crash on video, which was shown to Mr Jackson’s family before the hearing at Douglas Courthouse.
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Race marshal John Corrin said Mr Jackson had been trying to slow down his Norton machine by putting his left foot on to the ground as he came down the hill from Kate’s Cottage.
When it became obvious he wasn’t going to negotiate the corner successfully, he tried to steer on to the Creg ny Baa Back Road, lying the bike on its side but hitting a crash barrier.Mr Corrin added that weather and visibility conditions had been good, and the road surface was dry.
The bike had undergone scrutineering before the session and no defects were found.
After the incident, Mr Jackson was taken to Noble’s Hospital by air ambulance, where he died a day later.
Government vehicle examiner Anthony Bode analysed the wreckage of the motorbike later, and found a tiny deformation in a brake mounting.
’perfect storm’
He told the court it wouldn’t have been visible to the naked eye, but said it led to a ’perfect storm’ of faults ending in catastrophic brake failure.
He explained the front brakes would have worked normally until they were pressed hard coming down the hill, when they would have suddenly failed.
He had zoomed in on photographs taken by freelance photographer Peter Hignett, which captured the incident, and said he could see the disc brakes had become detached - with part of the brake flying off the machine.
Summing up the evidence, Mrs Hughes said it was no-one’s fault the brake fault hadn’t been spotted earlier.
Returning a verdict of accidental death, she told Mr Jackson’s family and friends, whohad travelled to the Isle of Man for the case: ’This was, by any standard, a truly tragic accident.’