Someone wrote: I'm not sure that I trust these scales.
Well, I have the same concerns. However, I was told by the person who lent the chapter scales to me, that the DAR was accepting the W & B taken with those scales. I think that the important thing is to have a set of scales that will give close to the same reading given the same weight. That will tell you what the balance part is, if not the weight. There is a very simple spread sheet that you can download, at: http://kr-builder.org/WeightAndBalance/index.html Click on the last item in the thumbnails and then you can save it on your hard drive. See N64KR at http://KR-Builder.org - Then click on the pics There is a time for building and a time for FLYING and the time for building has expired. Daniel R. Heath - Columbia, SC See you in Mt. Vernon - 2005 - KR Gathering