23-05-2016, 01:14 PM
that would be the short fatigue life.. its not rated for the pressures so expands and stretches, hardens, then bursts..
you can have it last months or even years, or days. Thinner lines (such as brake lines) have max operating pressures much lower than hydraulic lines, also the thinner the hose in relation to the sidewall thickness is allow it to sustain for longer periods higher pressures.
the ratio is quite low in normal copper pipe (large diameter vs thin wall) which means that huge forces can be exerted on the sidewalls which physically aren't strong enough to handle it. Power steering pumps can put out anywhere between 350psi to over 2500 (we had one at work powering a small bench press and it would pop rams not rated appropriately when run with a 1hp motor) it depends, also, where the relief is set and I don't know what that is in the 306. Bear in mind that hitting potholes and bumps can also spike the pressure into the thousands even if the pump doesn't do it normally
you can have it last months or even years, or days. Thinner lines (such as brake lines) have max operating pressures much lower than hydraulic lines, also the thinner the hose in relation to the sidewall thickness is allow it to sustain for longer periods higher pressures.
the ratio is quite low in normal copper pipe (large diameter vs thin wall) which means that huge forces can be exerted on the sidewalls which physically aren't strong enough to handle it. Power steering pumps can put out anywhere between 350psi to over 2500 (we had one at work powering a small bench press and it would pop rams not rated appropriately when run with a 1hp motor) it depends, also, where the relief is set and I don't know what that is in the 306. Bear in mind that hitting potholes and bumps can also spike the pressure into the thousands even if the pump doesn't do it normally
Given the choice between Niall and the sheep. I would choose the sheep!
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/Toseland