Date: Thu, 18 Nov 2010 13:59:56

Author: chuck britton

Subject: Re: Simple Rail Gun

Post:


--Boundary_(ID_+rqOnxiSVb3E7fcdr1VF1w)
Content-type: text/plain; charset=us-ascii; format=flowed
Content-transfer-encoding: 7BIT

http://www.allegromicro.com/en/Products/Categories/Sensors/
use your .edu to request samples.
simple linear output IIRC.


At 11:50 AM -0700 11/18/10, david kardelis wrote:
>Thanks on the Car Load sensor, I hadn't looked at them close enough
>to see how they work.
>
>Who gives away hall effect sensors?
>Always like to find sources of freebies
>
>thanks again.
>
>dave
>
>On Thu, Nov 18, 2010 at 9:58 AM, chuck britton
> wrote:
>
>The inexpensive car battery load testers are thermal, so they take a
>while to register.
>Won't be quick enough for a rail gun (I fear).
>
>A fast reading Hall Effect B-field sensor might work to measure the current.
>(Easily found as a freebie sample online)
>Your .edu email is a GREAT way to get freebie samples.
>.
>
>At 9:15 AM -0700 11/18/10, david kardelis wrote:
>
>I'll have to try getting a current reading some time, I was thinking
>one the car battery load testers that they sell that measures
>several hundred amps.

--Boundary_(ID_+rqOnxiSVb3E7fcdr1VF1w)
Content-type: text/html; charset=us-ascii
Content-transfer-encoding: 7BIT



http://www.allegromicro.com/en/Products/Categories/Sensors/
use your .edu to request samples.
simple linear output IIRC.


At 11:50 AM -0700 11/18/10, david kardelis wrote:
Thanks on the Car Load sensor, I
hadn't looked at them close enough to see how they work.

Who gives away hall effect sensors?
Always like to find sources of freebies

thanks again.

dave

On Thu, Nov 18, 2010 at 9:58 AM, chuck
britton
wrote:
The inexpensive car battery load testers are thermal, so
they take a while to register.
Won't be quick enough for a rail gun (I fear).

A fast reading Hall Effect B-field sensor might work to measure the
current.
(Easily found as a freebie sample online)
Your .edu email is a GREAT way to get freebie samples.
.

At 9:15 AM -0700 11/18/10, david kardelis wrote:
I'll have to try getting a current reading some time, I
was thinking one the car battery load testers that they sell that
measures several hundred amps.






--Boundary_(ID_+rqOnxiSVb3E7fcdr1VF1w)--

From tap-l-owner@lists.ncsu.edu Thu Nov 18 14:16:17 2010
Received: from psmtp.com (na3sys009amx248.postini.com [74.125.149.132])

Back