Brian Jackson
Platinum Member
- Joined
- Jul 17, 2004
- Messages
- 3,524
- Location
- Hamburg, New Jersey USA
- Aircraft
- GyroBee Variant - Under Construction
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Quick update: Main axle strut attachment point to keel. Keel extends behind mast 2.5" and accepts 2 opposed spherical rod ends. Lathed stand-off cones constrain rod ends at centerline of keel tube. Connection bolts pass through both the keel and tailboom tubes (bolts in photos are temporary consumer grade). Cones are sandwiched between two .188" thick tie plates that unitize the 2 connection bolts. The plates serve as a reinforcement to prevent the keel from absorbing the entirety of impact loads. Very slight compression pulls the entire system tight with zero play. Drag strut connections are identical except the rod end pass-thru holes are shifted .188" aft of connector bolts due to the rotation angle of the strut in plan view.
The axle tube inserts shown earlier in this thread house a shock-dampened bolt that threads into the rod ends. More photos of that later.
Quick update: Main axle strut attachment point to keel. Keel extends behind mast 2.5" and accepts 2 opposed spherical rod ends. Lathed stand-off cones constrain rod ends at centerline of keel tube. Connection bolts pass through both the keel and tailboom tubes (bolts in photos are temporary consumer grade). Cones are sandwiched between two .188" thick tie plates that unitize the 2 connection bolts. The plates serve as a reinforcement to prevent the keel from absorbing the entirety of impact loads. Very slight compression pulls the entire system tight with zero play. Drag strut connections are identical except the rod end pass-thru holes are shifted .188" aft of connector bolts due to the rotation angle of the strut in plan view.
The axle tube inserts shown earlier in this thread house a shock-dampened bolt that threads into the rod ends. More photos of that later.
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