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01-29-2012, 06:24 AM #18
And it seems that the over night tension has yet again fallen below the 33lbs mark, but at least it sounds higher pitched than the previous 32lbs racquet I did (i.e. still higher tension overall; I have a spot on 33lbs racquet strung using ECP with BG75Ti sometime ago which I still keep for tension reference).
Two things are apparent here now:
1. Each and every racquet seems to have its individual own tension holding properties and calibrating a manual crank machine to account for all can be messy. I will get much better consistency with an ECP with light (10%) pre-stretch.
2. Master PeteLSD is again correct in regards to the +3lbs rule
01-29-2012, 08:51 AM #19
On a side note, now that I am going to calibrate my crank to +3lbs per pull, I am wondering since I am fond of doing 33lbs string jobs, is it a good practice to leave an "over-tensioned" racquet on the stringing machine with the supports tightened around the frame after the string job and allow the tension to settle before taking it off (overnight for my case)?
In my case for a 33lbs string job the very initial tension after completion will be around 36lbs which is pretty scary for racquets with slightly thin graphite in the frame such as the Armortecs which I tend to use a lot.
02-07-2012, 01:36 AM #20
After further analysis, I theorise that the actual tension (referencing a constant pull job) pulled by a crank would be:
[tension pulled measured by gauge] - 2.5±0.5lbs
However due to the variable factor in this formula, electric constant pull is still the better choice for a consistent string job.
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