[SS2S-Main] Re: Digital scale load-cell design / instrumentation

  • From: vicente Alvero Zambrano <vicente_alvero_14@xxxxxxxxxxx>
  • To: "sugarshot@xxxxxxxxxxxxx" <sugarshot@xxxxxxxxxxxxx>
  • Date: Sat, 18 Jan 2014 13:41:23 +0100

maybe Richard, can design and build a load cell based on websites, and another 
member of the electronic

From: vicente_alvero_14@xxxxxxxxxxx
To: sugarshot@xxxxxxxxxxxxx
Subject: [SS2S-Main] Re: Digital scale load-cell design / instrumentation
Date: Sat, 18 Jan 2014 13:36:17 +0100




I have not just knowledge of electronics, so this work should be made between 
several members

To: sugarshot@xxxxxxxxxxxxx
Subject: [SS2S-Main] Re: Digital scale load-cell design / instrumentation
From: monsieurboo@xxxxxxx
Date: Sat, 18 Jan 2014 07:11:34 -0500

It's been a few years since discussion of these digital-scale load cells was 
ricocheting around the rocketry forums.  Naturally, I started by checking 
Nakka's site -- he's got a very cool "built from scratch" strain-gage design 
but I couldn't find one there that starts with a digital scale.  But here's a 
good starting point for what you're talking about.  This one hooks up to a PC 
with a "COM port" USB interface, and the author hand-rolled the electronics.



http://www.steeman.be/?p=192



Enjoy!



Mark L.

DC




 






-----Original Message-----


From: vicente Alvero Zambrano <vicente_alvero_14@xxxxxxxxxxx>


To: sugarshot <sugarshot@xxxxxxxxxxxxx>


Sent: Sat, Jan 18, 2014 3:54 am


Subject: [SS2S-Main] Re: Interesting Motor-Design Documents


















Hi Mattias,




It would be great if you could you do this. I think the maximum thrust is 
2000N, but better than Richard confirm it.










Vicente Alvero




From: mattias.lampe@xxxxxxxxxxx


To: sugarshot@xxxxxxxxxxxxx


Date: Sat, 18 Jan 2014 10:37:27 +0800


Subject: [SS2S-Main] Re: Interesting Motor-Design Documents

















If you want to go even cheaper, load cells can be scavenged from cheap digital 
kitchen/bathroom scales. It’s not too difficult to hook them up to a computer.
 I can probably help with the electronics, but not so much with the mechanical 
part.




 




What would be the maximum force to be measured?




 




Mattias




 













From: sugarshot-bounce@xxxxxxxxxxxxx [mailto:sugarshot-bounce@xxxxxxxxxxxxx]
On Behalf Of vicente Alvero Zambrano



Sent: Friday, January 17, 2014 12:47 AM



To: sugarshot@xxxxxxxxxxxxx



Subject: [SS2S-Main] Re: Interesting Motor-Design Documents










 







Instruments would be a gauge and load cell, right? but this must be commercial. 
some sets is "cheap". with relative to a support, I think we would have 
problems. that would be cheap.



http://aeroconsystems.com/cart/load-cells/







maybe we can also use the pressure gauge and load cell minisshot rocket.














Date: Thu, 16 Jan 2014 10:30:00 -0600



Subject: [SS2S-Main] Re: Interesting Motor-Design Documents



From: richard.nakka@xxxxxxxxx



To: sugarshot@xxxxxxxxxxxxx







To design/build the instruments to measure motor thrust and chamber pressure. 
We would have to do this on a "tight" budget.










 










R.










On Thu, Jan 16, 2014 at 10:18 AM, vicente Alvero Zambrano 
<vicente_alvero_14@xxxxxxxxxxx> wrote:














What kind of help with the instrumentation?


























 




















                                          













                                                                                
  

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