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- Path: sparky!uunet!news.u.washington.edu!ns1.nodak.edu!psgrain!puddle!f19.n267.z1.fidonet.org!Doug.Purdy
- From: Doug.Purdy@f19.n267.z1.fidonet.org (Doug Purdy)
- Sender: ufgate@puddle.fidonet.org (newsout1.26)
- Newsgroups: k12.ed.tech
- Subject: Hello?
- Message-ID: <36760.2B50C7B7@puddle.fidonet.org>
- Date: Sat, 09 Jan 93 02:28:22 PDT
- Organization: FidoNet node 1:267/19 - QMS Connection, Queensbury NY
- Lines: 32
-
- > Doug-
- > I have an article from Oct '90 about an activity for 7th
- > graders. About a trasportation device - powered by a
- > vacuum - if that rings a bell could you fill in the
- > missing spots?
- > Thanks
- > -Joe-
- > ---
- > * Origin: Get Technology before it gets YOU! Honeoye
- > NY USA (1:2613/516)
- >
- Yea, It was fun. A 20' piece of 4" pvc sched. 40 pipe. A 4x4x2" T on the end
-
- --> vacuum is hooked in here
- |
- --- 2"---------------------------------------------------------
- clear plug--> 4" 4" <----vehicle travels here -----------------------
- ---------------------------------------------------------------
-
- I put a video camera looking through the clear plug and displayed it on TV.
-
- Basically, a light weight vehicle that seals the cylinder works best. Never
- had an egg "passenger" break inside. They drop them on the floor :-)
-
- I also hooked up Science Toolkit to check speed of vehicle
-
- Doug
-
-
- --
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- Internet: Doug.Purdy@f19.n267.z1.fidonet.org
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