Duct Elbow 60 mm, 45°

Elbow for warm air ducting where the flexible duct would kink. A tight bend in corrugated duct closes the cross section, a printed elbow keeps it round. Centreline bend radius 90.0 mm = 1.5 × 60 mm. That is the ratio at which the pressure loss stops falling appreciably: tighter costs flow, wider costs space. Straight connecting section of 30 mm at each end, so the hose clamp sits on a cylinder and not on the curve. The file is already saved in printing orientation. Do not rotate it, that is wha…

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