Re: New Heater for 39 Super8
Posted by HH56 On 2017/2/9 15:36:51
Almost all Packard heaters used 5/8" hose so a pipe with an OD of 5/8 should suffice. You can measure your heater connections to get your size just in case there were differences between models.
IMO, for this particular pipe steel would be look better because the lengths are absolutely straight and can be bent with a tubing bender such as those used for electrical conduit. Those benders can probably be rented. Straight lengths of copper pipe are generally not bendable so to get something that you can bend in copper would require coiled. That, IMO, would be harder to straighten out to have the nice crisp look of the straight run shown in the photo. Depending on whether you can find a store that sells by the foot you might also have to buy a coiled copper length of several feet.
Overall length can be determined by measuring the distance on your engine between where the two brackets would mount. Add 2-3 inches on each end to that measurement for the bend radius and then figure another 6 inches or so on each end for the other leg of the bend. I don't think that leg measurement is very critical as you can make up a short difference with hose or cut off if too long. Just make it look something like the photo. You could also get a rough length by bending a piece of wire to the appropriate shape and then order a length of tubing plus a little extra for a fudge factor.
You might also pick up a short length of 1/2" electrical conduit at the home center and practice some bends or shape of the tubing before working on good material. The conduit is inexpensive and almost the same size as 5/8 OD tubing. Slightly larger than 5/8 and not rated for plumbing use but if the hose would fit, painted and with the corrosion inhibitors in antifreeze, it might be a possibility too.
I don't know if the pipes were painted or left natural. To keep steel tubing from rusting you could use something like Sharkhide over the tubehttp://www.sharkhide.com/mpinfo.html to protect the natural finish.
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IMO, for this particular pipe steel would be look better because the lengths are absolutely straight and can be bent with a tubing bender such as those used for electrical conduit. Those benders can probably be rented. Straight lengths of copper pipe are generally not bendable so to get something that you can bend in copper would require coiled. That, IMO, would be harder to straighten out to have the nice crisp look of the straight run shown in the photo. Depending on whether you can find a store that sells by the foot you might also have to buy a coiled copper length of several feet.
Overall length can be determined by measuring the distance on your engine between where the two brackets would mount. Add 2-3 inches on each end to that measurement for the bend radius and then figure another 6 inches or so on each end for the other leg of the bend. I don't think that leg measurement is very critical as you can make up a short difference with hose or cut off if too long. Just make it look something like the photo. You could also get a rough length by bending a piece of wire to the appropriate shape and then order a length of tubing plus a little extra for a fudge factor.
You might also pick up a short length of 1/2" electrical conduit at the home center and practice some bends or shape of the tubing before working on good material. The conduit is inexpensive and almost the same size as 5/8 OD tubing. Slightly larger than 5/8 and not rated for plumbing use but if the hose would fit, painted and with the corrosion inhibitors in antifreeze, it might be a possibility too.
I don't know if the pipes were painted or left natural. To keep steel tubing from rusting you could use something like Sharkhide over the tubehttp://www.sharkhide.com/mpinfo.html to protect the natural finish.
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