Will having a 90° angle adapter on a long hose cause any problems when donating? Weird angles or stuff like that?
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I like to have the long hose very tight around my body, that short length (behind my neck) provides some tension on my jaw that I want to eliminate. Additional question; I've been assuming a 90 degree is what I want, but you mentioned a 60 degree elbow, would that be better?
It depends upon two things: how the hose lies, and your reg shape. For example, the hose jams against my D420 with a 90° because of its narrow top. I need the bigger angle of a 110° to clear the exhaust tee.you mentioned a 60 degree elbow, would that be better?
How are you routing your long hose? Shouldn't be that tight around your neck unless you're super tall. I also don't see the point of a 90 degree elbow on a long hose, definitely an additional unneeded failure point IMO.
Typical long hose routing is route down right side of body to waist, then up left side, around the back of the neck, and then into mouth. You should tuck excess hose in waist band OR preferably route underneath can light or knife sheath attached to waist band at right hip.