3 Attachment(s)
1970 omc v4 speed records windemere uk
Quote:
Originally Posted by
Steve Pinson
. I can only add my experience to this going back to May 1970 the 1st Factory Johnson Stinger arrived in the UK it was for my good friend Bill Shakespeare and it came with power trim for the first time.James Beard of Cougar boats had a Factory Evinrude as well but had just installed his own power trim foot operated using a car brake master cylinder I have a photo of this and will post it later.At this time I ran with the Shakespeare team and had a new 15ft sprint boat on order I managed to buy a customer Johnson Stinger engine power trim was not available and it ran a much lower compression it was made to race for a full season!.The Factory stinger sounded much deeper and had a bark to it and when you turned it off it stopped dead and comparing the cylinder block and heads had at least 1 eighth of an inch skim or 250 thou.First race was the Paris 6 Hr race proved to be too rough for my 15ft boat it got holed after the first hour but Sanders won the race with a Factory Johnson on a Molinari but even better in third place was Dutch driver Ari De Boom using a Customer Johnson on a Molinari.2 weeks later was the Windemere powerboat speed attempts I was there with the Shakespeare team Bill had one of his grp 15ft cats but it ran 2inch steps Don Henrix had supplied a prop to run a 1 to 1 gearcase.The other outfits running were Freddi Miles with a Mercury Twister 1 and Bob Spalding Mercury Twister 1'also James Beard ran Evinrude the speeds recorded were from 89 to 93 mph with stock gearcases.Bill Shakespeare ran 89 mph one way and 118 mph the other mean average 104 mph so Bill got the record.We had some feedback sometime later from the prop man Don Henrix he said to do 118 mph with the prop he had supplied the V4 would have to be turning more than 7800 rpm?,
these pictures are from 1970 and 1971 Windemere speed attempts.the Couger manual powertrim is from Paris 1970.