The problem with a scale like that is that it's not very portable. A scale
is absolutely essential at contests for weighing motors.
On Thu, Jan 23, 2014 at 4:56 PM, Thayer Syme <thayer_at_gryffinaero.com> wrote:
>
>
> >My AWS Gemini also quit working. I never liked it anyway. The one I
> >use looks like the AWS but it just says Mini Digital Scale on the
> >cover.
>
> While it doesn't have digital convenience, a hand made balance beam
> can be surprisingly accurate.
>
> Back when I was making spoked wheels for sale, I sent a pair to a
> customer and told him I thought they weighed .237 grams. He worked
> in a lab with scales calibrated to 6 decimal places and reported that
> he weighed them at .2366-something. I remember thinking that if I was
> off by only 0.0004 that was plenty close enough for what I was doing.
> Indeed, that difference could easily have been attributable to
> humidity changes.
>
> This is the balance in question. I have since made another using
> magnetic damping that is easier to use.
> http://www.gryffinaero.com/models/ffpages/tools/scales/balance.html
>
> One benefit is that the battery will never fail.
>
> Thayer
>
>
>
Received on Thu Jan 23 2014 - 17:15:17 CET