| Roof AC units Questions
The Armstrong AC unit on our 1979 Land Yacht has self destructed. The electric motor compressor bearings have failed. I have a new Coleman unit for replacement. Some where I once read that some additional roof support is required. With the AC removed from the roof, I cannot find any method of reinforcing/bracing the roof. Has anyone doubled the roof skins for greater strength?? I could also fabricate some external ribs. Comparing the AC units shows the new unit is slightly heavier the the original unit. The Armstrong unit was making lots of cold air....... Any ideas or experiences with same??
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