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Bobcat Skidsteer Forums
Bobcat Excavators
Soundproofing ideas?
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<blockquote data-quote="melli" data-source="post: 64558" data-attributes="member: 7164"><p>Finished soundproofing Bobby. Pulled apart the right console (fun trick to recovering ignition switch - fishing line), HVAC, and laid down the Al faced butyl stuff, then put in 3/4" rubber foam that I found used for making standing pads (checkouts etc.). Did the same to left hand column, and behind seat. I didn't get down to the 70's, as I was hoping...not a big change from what I reported above (few dB less). Suspect the rubber foam isn't dense enough to do much good....thankfully, it was only $8. Overall, the whole process made a big difference, as it doesn't feel like I am in a tin can anymore. The dB meters suck. One seems to like 86dB no matter what, and the other seemed to work better, but now I am not so sure. The thin heavy weight butyl based stuff made the biggest improvement. I can talk in cab and hear myself clearly. I suspect if I addressed the top of engine compartment, where the noise comes from, I'd make better gains. I've been looking at newer models, and they really cover the engine compartment well with heavy foam (no gaps like mine). Since the top of engine compartment has nothing, anything should make a difference...just have to find fire rated stuff. Seen pads use for under hoods of cars...will try that. Think I have a spare somewhere when I bought my new car...a customer decided to play with the original and creased it...</p></blockquote><p></p>
[QUOTE="melli, post: 64558, member: 7164"] Finished soundproofing Bobby. Pulled apart the right console (fun trick to recovering ignition switch - fishing line), HVAC, and laid down the Al faced butyl stuff, then put in 3/4" rubber foam that I found used for making standing pads (checkouts etc.). Did the same to left hand column, and behind seat. I didn't get down to the 70's, as I was hoping...not a big change from what I reported above (few dB less). Suspect the rubber foam isn't dense enough to do much good....thankfully, it was only $8. Overall, the whole process made a big difference, as it doesn't feel like I am in a tin can anymore. The dB meters suck. One seems to like 86dB no matter what, and the other seemed to work better, but now I am not so sure. The thin heavy weight butyl based stuff made the biggest improvement. I can talk in cab and hear myself clearly. I suspect if I addressed the top of engine compartment, where the noise comes from, I'd make better gains. I've been looking at newer models, and they really cover the engine compartment well with heavy foam (no gaps like mine). Since the top of engine compartment has nothing, anything should make a difference...just have to find fire rated stuff. Seen pads use for under hoods of cars...will try that. Think I have a spare somewhere when I bought my new car...a customer decided to play with the original and creased it... [/QUOTE]
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Soundproofing ideas?
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