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Some housings e.g. polythene (sic) are porous to oxygen and the
liquid will again slowly take up oxygen from the atmosphere so that
after about seven days the signal decay has shortened again. [Eric
- Message 91]
Based on something I read someplace, polyethylene will pass moisture
at a rate equal to < .01 percent per 24 hour period. This being the
case, I would assume that in ~100 days 1 percent of the solution
would be lost. The "lost" fluid would either go to the atmosphere
or else be in the coil winding. Therefore in ~1000 days about 10%
of the fluid would be lost resulting in (I would assume) a 10%
degradation of the signal.
One important consideration for the selection of material for liquid
filled coils is the suitability of the material taking into
consideration the proton rich liquid chosen. Patrick earlier made
comment that gasoline has the objectionable quality of eating up the
insulation coating on the magnet wire. This at least implies that
there is a problem with it leaking from the form. If that is so it
means improper material was selected for that form.
I welcome any comments, questions, or corrections. Of particular
need in reference to this subject is websites that give information
on permeability of materials and the compatibilities of the various
types of plastics with the proposed types of proton rich fluid. If
any of you know of ANY website that might give this type of
information, please let me know.
Best regards to all.
Dale
[email protected]
103 North Sixth Avenue
Virginia, MN 55792 USA
liquid will again slowly take up oxygen from the atmosphere so that
after about seven days the signal decay has shortened again. [Eric
- Message 91]
Based on something I read someplace, polyethylene will pass moisture
at a rate equal to < .01 percent per 24 hour period. This being the
case, I would assume that in ~100 days 1 percent of the solution
would be lost. The "lost" fluid would either go to the atmosphere
or else be in the coil winding. Therefore in ~1000 days about 10%
of the fluid would be lost resulting in (I would assume) a 10%
degradation of the signal.
One important consideration for the selection of material for liquid
filled coils is the suitability of the material taking into
consideration the proton rich liquid chosen. Patrick earlier made
comment that gasoline has the objectionable quality of eating up the
insulation coating on the magnet wire. This at least implies that
there is a problem with it leaking from the form. If that is so it
means improper material was selected for that form.
I welcome any comments, questions, or corrections. Of particular
need in reference to this subject is websites that give information
on permeability of materials and the compatibilities of the various
types of plastics with the proposed types of proton rich fluid. If
any of you know of ANY website that might give this type of
information, please let me know.
Best regards to all.
Dale
[email protected]
103 North Sixth Avenue
Virginia, MN 55792 USA