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Post by Deleted on Sept 27, 2022 7:43:43 GMT
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Post by Telemachus on Sept 27, 2022 8:15:56 GMT
Yes I used a bottle screw for this job once. You do need a real one not mickey mouse. Eta if you can change pulleys it might be worth putting on a polyvee type belt instead of a vee belt. I seem to recall that vee belt will go up to about 1.5kw so 100 amps at 15v whereas a polyvee will do double that happily and probably last a lot longer. Beta marine for example use a single vee belt for the standard (70a?) Alt and a polyvee for the 175a optional extra alternator (12v). They also have a nice threaded rod based tensioner for the big alt. Better would be a automatic tensioner like on cars, boat engines are out of the ark for good tech Not sure I agree, automatic tensioners in cars have a history of various failures. I need to adjust the polyvee belts on our boat about once every 2 or 3 years which is hardly onerous. I don’t think I’ve ever had to adjust the v belt that drives the water pump/small alternator, I just changed it as a matter of routine preventative maintenance after about 5 years.
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Post by kris on Sept 27, 2022 8:40:11 GMT
yes I’ve got the idea now, thanks.
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Post by Deleted on Sept 27, 2022 11:42:09 GMT
These work well for tensioning alternator belts. www.ebay.co.uk/itm/291559962311?Used them on every boat I have had. Simple swap for the curved bar with a slot in it.
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Post by Jim on Sept 27, 2022 17:29:37 GMT
These work well for tensioning alternator belts. www.ebay.co.uk/itm/291559962311?Used them on every boat I have had. Simple swap for the curved bar with a slot in it. I had been thinking something similar would be easy to fabricate. 2 bits of 25mm angle 25mm long, hole in each face, 1 long bolt or threaded rod, nuts and washers to suit.
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Post by kris on Sept 27, 2022 17:35:55 GMT
These work well for tensioning alternator belts. www.ebay.co.uk/itm/291559962311?Used them on every boat I have had. Simple swap for the curved bar with a slot in it. They look good thanks for the link. Not far from me either.
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Post by Deleted on Sept 27, 2022 17:38:52 GMT
These work well for tensioning alternator belts. www.ebay.co.uk/itm/291559962311?Used them on every boat I have had. Simple swap for the curved bar with a slot in it. I had been thinking something similar would be easy to fabricate. 2 bits of 25mm angle 25mm long, hole in each face, 1 long bolt or threaded rod, nuts and washers to suit. Better to use aluminium billets rather than angle iron. 2 x 1 inch that should do it. 1 inch pieces. Easy to drill. Nice project for someone with a pillar drill.
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Post by kris on Sept 27, 2022 17:44:17 GMT
I had been thinking something similar would be easy to fabricate. 2 bits of 25mm angle 25mm long, hole in each face, 1 long bolt or threaded rod, nuts and washers to suit. Better to use aluminium billets rather than angle iron. 2 x 1 inch that should do it. 1 inch pieces. Easy to drill. Nice project for someone with a pillar drill. I think I’d rather buy some. By the time I’d have sourced the aluminium and done the fabrication it works out lots cheaper. Even though I’ve got a pillar drill.
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Post by naughtyfox on Sept 27, 2022 18:50:44 GMT
Better to use aluminium billets rather than angle iron. 2 x 1 inch that should do it. 1 inch pieces. Easy to drill. Nice project for someone with a pillar drill. I think I’d rather buy some. I think you should stop making things up, and telling tales about other people that simply aren't true.
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Post by kris on Sept 27, 2022 19:10:20 GMT
I think I’d rather buy some. I think you should stop making things up, and telling tales about other people that simply aren't true. I think you should read through the replies I’ve posted to you in the other thread. People can make their own mind up to who is fabricating things to suit themselves.
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Post by Tony Dunkley on Sept 28, 2022 6:30:21 GMT
I think you should stop making things up, and telling tales about other people that simply aren't true. I think you should read through the replies I’ve posted to you in the other thread. People can make their own mind up to who is fabricating things to suit themselves. Quite a number of people already have, . . non-posting members, and non-members who log-in as guests, . . all commenting on what a poisonous little shit you are, . . and expressing considerable surprise over the level of blinkered support you appear to get from the small band of Thunderboat's naive, and apparently, rather easily fooled regular contributors.
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Post by naughtyfox on Sept 28, 2022 7:24:20 GMT
I think you should stop making things up, and telling tales about other people that simply aren't true. I think you should read through the replies I’ve posted to you in the other thread. People can make their own mind up to who is fabricating things to suit themselves. Your replies show nothing but dodging the questions. I think that anyone/everyone who has seen your claims and replies when questioned, suspects you have just been making it all up. You will not say how much rent you were paying Tony - at the same time continuously asking him how much he charged ricco. You claim Tony sub-letted ONE mooring to several boaters, yet cannot say who they are.
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Post by Jim on Sept 28, 2022 7:42:47 GMT
I think you should read through the replies I’ve posted to you in the other thread. People can make their own mind up to who is fabricating things to suit themselves. Quite a number of people already have, . . non-posting members, and non-members who log-in as guests, . . all commenting on what a poisonous little shit you are, . . and expressing considerable surprise over the level of blinkered support you appear to get from the small band of Thunderboat's naive and easily fooled regular contributors. How many, where and when? Are we talking hundreds or just the one imaginary friend. Why don't they post to support you, I presume you have begged them to?
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Post by peterboat on Sept 29, 2022 14:46:24 GMT
Better would be a automatic tensioner like on cars, boat engines are out of the ark for good tech Not sure I agree, automatic tensioners in cars have a history of various failures. I need to adjust the polyvee belts on our boat about once every 2 or 3 years which is hardly onerous. I don’t think I’ve ever had to adjust the v belt that drives the water pump/small alternator, I just changed it as a matter of routine preventative maintenance after about 5 years. I have seen 300k on some jags with auto tensioner working fine. but I have seen them on the Ford/Peugeot diesel offerings not last 60k! really poor design. My thinking is you could have just one multi belt doing both alternators and everything else
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Post by kris on Sept 29, 2022 16:11:24 GMT
I don’t think one belt would do both alternators. I’ve got slightly wider pulleys, unfortunately I’m back to work. So it will be on my next days off, that I get to try them. I think I’ll buy some of those tensioners loddon provided a link too. If these don’t work then it’s moving the gearbox to fit a continuous belts. I’ve got both alternators modified now, so I really could do with getting them to work.
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