Building : 2475


Building / 2475	2474 \| 2476

Subject:	Re: RCX Controlled Air Compressor Tester
Newsgroups:	lugnet.robotics, lugnet.build, lugnet.robotics.rcx
Date:	Fri, 1 Oct 1999 13:10:30 GMT
Reply-To:	lpieniazek@novera%spamless%.com
Viewed:	19 times

John Morgan wrote: > > Maybe I should just loan you my testing machine.... > > Why don't we just send both of them to Larry?<grin> I am sure He would agree > with that train of thought. (1) Works for me. I'll even pay for shipping. :-) Just kidding. I think we need to see instructions for the tester! That way we can all reproduce the results. But, maybe we need to compare several testers to see how much variability there is between testers testing the same (or identical but different parts) compressors. Ai! This is the classic "how do you calibrate the measuring tool if you don't have a standard to start from". We have no idea how much variability there is in things like springs and piston friction and pivot friction, which in turn can mean that two testers get different measurements of the same pump, or two identical pumps give different measurements on the same tester... 1 - "train" of thought? Groan. 2 - there is no need to capitalise He in that sentence, I may consider myself to be godlike but unless you're a Larritarian (3), I am not actually a deity. 3 - running joke, see off-topic.fun -- Larry Pieniazek larryp@novera.com http://my.voyager.net/lar - - - Web Application Integration! http://www.novera.com fund Lugnet(tm): http://www.ebates.com/ Member ref: lar, 1/2 $$ to lugnet. NOTE: I have left CTP, effective 18 June 99, and my CTP email will not work after then. Please switch to my Novera ID.

Message has 3 Replies:

		Re: RCX Controlled Air Compressor Tester
Larry Pieniazek <lar@voyager.net> wrote in message news:37F4B2C6.5A1298...ger.net... (...) For the development of my pressure sensor I used a digital pressure gauge that you can buy for checking tire pressure. ($8.00 at KMart) It requires removing (...) (25 years ago, 1-Oct-99, to lugnet.robotics, lugnet.build, lugnet.robotics.rcx)

		Re: RCX Controlled Air Compressor Tester
(...) Well, people, I think we'd better get down to some serious business... (...) Agreed. Building instructions on the way soon as I can see whether improvements are required as as been variously suggested:a. use an angle sensor b. use a pressure (...) (25 years ago, 2-Oct-99, to lugnet.robotics, lugnet.build, lugnet.robotics.rcx)

		Re: RCX Controlled Air Compressor Tester
(...) Here are thoughts on the variability in the tester issues posed. The most important sources of variability in the RCX Controlled Air Compressor Tester and precautions to be taken are as follows: 1. The compressor under test itself may be (...) (25 years ago, 4-Oct-99, to lugnet.robotics, lugnet.build, lugnet.robotics.rcx)

Message is in Reply To:

		Re: RCX Controlled Air Compressor Tester
(...) well, you did ask for a parts list : ). I was trying to be complete and not run you off. Please don't feel obligated to run any tests on this as I understand too well life's time constraints. After I finished up all the picts and description, (...) (25 years ago, 1-Oct-99, to lugnet.robotics, lugnet.build, lugnet.robotics.rcx)

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