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Post by Deleted on Oct 29, 2016 7:32:53 GMT
s the best type of soundproofing to line the inside of an engine bay (something which will stick to steel or wood).
Ideally I'd like to be able to find something reclaimed as not keen on spending a lot of money on it as it may not be very effective. A box over the engine might be better option but I would like to experiment.
Any ideas?
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Post by Robbo on Oct 29, 2016 8:12:18 GMT
The thin foam / "lead" / thick foam is the standard for sound insulation for engines. They usually have another layer so they dont soak up oil, etc. If you have a lot of engine space then boxing the engine and using the sound insulation will be the best route. Just remember your alternator needs air for cooling.
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Post by Gone on Oct 29, 2016 8:43:33 GMT
and the BSS is strict about it's non burning properties, so you do need the proper stuff, which unfortunately is expensive, though I have seen people selling decent sized off cuts on ebay.
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Post by Deleted on Oct 29, 2016 16:52:54 GMT
Thanks for that. There is a lot of room there and I can keep the alternator out of any box.
The engine is rigidly mounted so not sure how much noise I can get rid of hence the unwillingness to spend £££ if it doesn't have much effect anyway
I did wonder about making a box round the engine and cladding it with Dibond panels (aluminium-plastic board product.
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Post by Robbo on Oct 29, 2016 19:20:41 GMT
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Post by Deleted on Oct 29, 2016 19:57:02 GMT
18mm shuttering ply with soundproofing inside? I could make it demountable for servicing. Its a water cooled engine so should be OK and the alternator is stuck out a bit at the front as it is retrofitted so not part of the engine "package" as such. |
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Post by tonyqj on Oct 29, 2016 22:06:39 GMT
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Post by tonyqj on Oct 29, 2016 22:08:39 GMT
18mm shuttering ply with soundproofing inside? I could make it demountable for servicing. Its a water cooled engine so should be OK and the alternator is stuck out a bit at the front as it is retrofitted so not part of the engine "package" as such. I think the difference would amaze you. I recall seeing a cocooned Beta Tug at a show once which was in essence a similar concept. The noise reduction was amazing. |
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Post by Robbo on Oct 30, 2016 12:45:05 GMT
18mm shuttering ply with soundproofing inside? I could make it demountable for servicing. Its a water cooled engine so should be OK and the alternator is stuck out a bit at the front as it is retrofitted so not part of the engine "package" as such. Yes sound insulation on the inside with the thinner foam on the box side and the thicker foam facing the engine. After that getting the engine unfixed and on decent blocks (as well as the running gear) and exhaust would be next. |
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Post by Deleted on Oct 30, 2016 12:48:33 GMT
Might just go for big headphones and Alice Cooper CD  |
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Post by tonyqj on Oct 30, 2016 13:05:54 GMT
Might just go for big headphones and Alice Cooper CD Even better 😀 |
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