Refer to page 36A of the plans-----newer plans may be a different page---
The main gear bulkhead fitting as supplied by Vans is a AN837-4D which is a 45*. The internal cabin lines connect there---we use a 90* hose end. Most of the builders that make their extension lines from aluminum have a rather large 90* bend on the bulkhead fitting. Thats because they can make the flare close enough to the tubing bend.
But the AN837-4D is correct bulkhead fitting.
Tom
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Tom Swearengen, TS Flightlines LLC, AS Flightlines
Joint Venture with Aircraft Specialty
Teflon Hose Assemblies for Experimentals
Proud Vendor for RV1, Donator to VAF
RV7A Tail Kit Completed, Fuse started-Pay as I go Plan, on hold while we develop new products for RV builders
Ridgeland, SC
www.tsflightlines.com, www.asflightlines.com
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