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Re: Pneumatic Pump
Posted by Jim Meyer at 2/9/2001 8:09 AM EST
Engineer on team #67, HOT Team, from Huron Valley Schools and GM Milford Proving Ground.
In Reply to: Pneumatic Pump
Posted by Patrick Dingle on 2/8/2001 11:29 PM EST:
: Does anyone know if it is okay to mount the pneumatic air pump upside-down? Someone on our team seems to think it's a bad idea.
One thing the pneumatic guy at the Kickoff workshop mentioned was that mounting it sideways was not so good because of shear loads in the rubber isolators. Mounting the motor upside-down should not put more shear in the mounts but will load the mounts in tension instead of compression. Since rubber performs better in compression than in tension they may not be strong enough for this or they may be just fine. My guess is they would be fine.
If they're not you could try hanging it by 3 pieces of 1/2 long, or so, poly-cord. This may provide adequate vibration isolation but I don't know how the rules would treat this. I'm thinking string because our motor seems to shake side to side more than up & down. It's something to try anyway.
Hope this helps.
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