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Joa,sometimes they come to you because the equip. is small enough to carry around and uses batt..The cost in Ct. is around 100-150 dollars.They used to put the wts. behind the spinner but I have heard that the had to change to a diff. sys. in the last couple years.They might use some type of adhesive now not sure.Try to pick a day when you have no wind or are able to put the plane behind a hanger or trees to block the wind.This mach. is that sensitive.It will take a while to do unless you are lucky but count on at least an hour.Make sure your batt. is fully charged because you will do a lot of starting and stopping.We always get mine down to .02 whatever that means.They tell me that if you can get it that low and keep it there during a few more tests,your eng. and prop are in good shape.Jim in Ct. ================================================================== TO UNSUBSCRIBE go to: http://ercoupers.com/lists.htm
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