Most viewed - Bus duct insulation |
351 viewsHere the flapper is opened all of the way so all of the heated air goes into the Bus interior. This system is used by all the Types of engines (Type I/II, III, & IV).
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339 views
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338 viewsThis is the flapper opened 1/2-way. So some heated air will enter the cabin and some will exit to the atmosphere.
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299 viewsLeft heat exchanger accordion duct, looking forward. For some reason, the diameter was more than 16" so the wrap didn't fully cover it.
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