Quote:
Originally Posted by dave brock
Hi Steve.
I have had a stock of rosin for some time so I don't know where to get it now but the Stockholm tar can be bought from most vet supply stores or saddlery/equestrian supplies. I use 7 parts rosin to 1 part S/t for 20° temp. An extra teaspoon of tar will soften 1 ltr mix a reasonable amount.
I'm sure it would work with pitch.
Dave
|
Thanks Dave,
I think the S/T is going to "hit the spot". Yesterday, did a melt mix of 1kg of a 50/50 mixture of Gugolz #55/#64, and about 150ml of S/T. I let this mix cool to the ambient temperature, (7deg C), and tested, failed
the fingernail/edge of small coin test, as I could easily depress the cooled pitch surface, in a couple of secs, with forefinger. OK, overdone the S/T. Added another KG of #55G, to the "mess", and had a second run, (NO MORE S/T). Upon cooling, the coin test gave a 1/4" indent at 10sec,
(temperature at the time 4deg C). Poured two sub diameter laps, (12" and 7"), with this new mix, which I shall call #40G. Armed with these new laps should be able to now carry on "winter season figuring".
Best regards
Stephen.