Subject:
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Re: 8421 first impressions
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Newsgroups:
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lugnet.technic
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Date:
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Fri, 1 Jul 2005 15:28:15 GMT
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Viewed:
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4311 times
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On Fri, July 1, 2005 10:17 am, Gyl said:
> However, what bugs me the most is the pneumatic element of the set. Has anyone
> built this and found the same problem as me - the whole boom comes crashing down
> when you release the pneumatic switch! What's the most elegant way to implement
> a gentle hydraulic easing down of the boom instead?
I replaced the single pair of pneumatic cylinders with two pair of pneumatic
cylinders. It's a very easy change (except for securing the two cylinders
end-to-end)
That allows the boom to hold much more weight, and will change the speed it
retracts. It doesn't totally solve the problem you're seeing, but a little pratice
with the switch helps...
Steve
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Message is in Reply To:
 | | Re: 8421 first impressions
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| (...) Thanks for the info. Still, I don't see the need to use this motor in the 8421. It only uses one motor, and it is not a very demanding application. They could have used the minimotor easily. It would have been smaller and less expensive, and (...) (19 years ago, 1-Jul-05, to lugnet.technic)
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