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Peter Duddigan

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Everything posted by Peter Duddigan

  1. Hi Jordan. Would like to purchase a 3VSHM head gasket from you to carry as a spare. My number is 07495057403. Pete Duddigan
  2. We'll, it all runs ok. Gotta wire in the starter battery alto next. Advice welcome. At 495 engine rpm the intermediate drive runs at 890rpm and the alternator pulley runs at 3065rpm. Tested all speeds with a cheapo Chinese digital tachometer.
  3. Haha. Great ideas. Truck horns it is๐Ÿ™ƒ
  4. Thanks for advice. Heed taken. Funny you should mention air con....๐Ÿ˜ƒ and an air compressor. Don't know why, just fancy fitting one. The Ruston has a spare pulley running from the camshaft, used to drive the water pump.
  5. I'll ignore Magnetman. Bet he's a Bah Humbug character. Of course the paint will come off, who cares. As for the bearings they are skh and will only be spinning at 1200rpm. They'll see me out. FYI there are two alternators. Both alternators are clockwise running and fans run in correct direction.
  6. These pulleys will up the alto speeds to 6 times engine revs. Awaiting v belts to arrive. Made the adjustable pulley carriers to suit. What d'ya think?
  7. That's what I meant by initiative๐Ÿ‘๐Ÿ˜ƒ
  8. Great to read these stories. Using initiative to create a working idea.
  9. Great. I may run an extra alternator in that fashion later on. Many thanks๐Ÿ‘
  10. There's nothing like using your ideas and creating something that works. Using the flywheel is a good idea but I'll stick to my plan to up the drive speed via pulleys. Thanks everyone for your thoughts and knowledge. I'll let you know how I get on๐Ÿ‘
  11. That'll give an alternator speed of 5000rpm on tickover, a top speed of around 17000. No thanks. A larger pulley on alternator would reduce this but I'm not going that route. The belt length would be silly. I'll prob up the idler to 200mm, giving an alto speed of 4000 plus at cruising and a max of 7500
  12. Yes, my thoughts too. I'm going to try it, proof in the pudding and all that. I could run from the flywheel end but the flywheel is 550mm diameter.
  13. I can up the ante to obtain 3000rpm at the altos at cruising revs. The Ruston Max's out at 1500rpm so max alto speed would-be around 7500.
  14. I have been reading a lot of info from boaters on the topic of alternator speeds and drives and have come to the conclusion that speed is of the essence. My engine will be rumbling round at 600rpm cruising speed. I have two 70amp lucas altos with 60mm pulleys. I have a gearbox driveshaft from the crank with Two 100mm pulleys attached. I will belt drive two 50mm pulleys with these which will drive a two 150mm pulleys mounted on same shaft that will in turn belt drive the 60mm alto pulleys. This should give me an alto speed of 2500rpm at cruising and 2000rpm at idle
  15. Hi Jonathan. I'm a 1959 baby so into my 60's now. We are getting set for retirement so a downsize and a boat are on the agenda. Working on a refurb vintage style boat that we are hoping to launch next Summer. It will be based at Barrow on Soar Middle England. I'm a Berkshire boy but headed North some years ago and love Leicestershire where my wife comes from. Good luck with your boating adventure, sounds grand. We've hired boats and done a couple of canals so got the bug and took the plunge so to speak. A grand way to live in this mad world I say.๐Ÿ‘๐Ÿ˜ƒ
  16. You and me both Jonty. If the 1962 has any bearing on your youthfulness then we are of similar years. I'm in the process of assembling a narrowboat as we speak, hope to have it on the water by the time you set sail. Which area are you looking to base at?
  17. 200rpm with a Four blade 21in x 18in prop should give us a tad over 3mph. Correct me if I'm way out!!๐Ÿ™ƒ
  18. It will. About 200rpm at cruising speed. We are installing a 48v electric drive too for city running and lock manoeuvres. It's an expensive business, well worth it to get it right and end up with a unique boat that'll give years of pleasure to many.
  19. A 57 foot semi trad. Narrow boat. Don't know it's history. Prop will be a four bladed 21inx 18in. Powered through a Newage 3:1 oil driven gearbox. Engine is a 3VSHM Ruston. 34hp 3.5 litre.
  20. Many thanks Alan. This is my retirement project. I have no intention to sell on, my family will inherit the boat and sail her on when I'm gone! Appreciate your wisdom
  21. Thanks Alan. All points noted. I meant the commercial building of recreational craft. As I am fitting my engine in a reconditioned hull, not a new one, I shan't be going the RCD route. I shall still install exhaust emissions controls all the same. Thanks Biscuits. Points noted.
  22. Well done old chap. Good to see someone who cares how his mechanical stuff is performing. Good luck on the reinstallation๐Ÿ‘
  23. RCD standards are for commercial building and selling of craft. As far I know there are no restrictions on running a vintage engine for personal use although some canals in city areas will soon enforce electric only craft. The way round this for vintage engined craft is to install an electric power plant in the drive train to take over in restricted areas, quite possible to do, creating a hybrid boat. Slow running vintage engines don't run hot enough for modern dpf exhaust systems but it's quite possible to fit an ad blue gas cartridge system in conjunction with a Selective catalytic converter
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