David you make a good point... perhaps you could check my math. West System
pumps are available in sets only, as I understand, one for resin and one for
hardener @ $8.30. Since I use two hardeners and one pump failed in the
middle of a lay-up... I used four sets for a total of $33.20. We could
Cole-Palmer Instrument Company sells many types of scales. I prefer the
mechanical Ohaus for its dependability and weight range.
Phil Pearson
Seattle
www.colepalmer.com
Ohaus mechanical triple beam LM-01012-00
Attachment weight 500 gm LM-01014
Attachment weight 1000 gm LM-01016
Ohaus porta
A short piece of brass tubing can be used at both ends of the pushrod. The
control horn end is bent in an L shape and fits into the control horn. The
servo end may have a length of 1/32" music wire soldered into the brass
tubing and a "Z" bend in the servo end. The tubing is glued to the carbo
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