Wills Wing Alpha 180, Owner'S Service Manual

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HGMA COMPLIANCE VERIFICATION SPECIFICATION SHEET
GLIDER MODEL Alpha 210
MANUFACTURED BY Wills Wing Inc.
All dimensions in inches; weights in pounds.
NOTE: These specifications are intended only as a guideline for determining whether a
given glider is a certified model and whether it is in the certified configuration.
Be aware, however, that no set of specifications, however detailed, can guarantee the
ability to determine whether a glider is the same model, or is in the same configuration as
was certified, or has those performance, stability, and structural characteristics required
by the certification standards. An owner’s manual is required to be delivered with each
HGMA certified glider, and it is required that it contain additional airworthiness informa-
tion.
1. Weight of glider with all essential parts and without coverbags and nonessential
parts: 51 lbs
2. Leading Edge Dimensions
a. Nose plate anchor hole to:
1. Crossbar attachment hole 127.0
2. Rear sail attachment point 222.5 - 222.75
b. Outside diameter at:
1. Nose 2.05
2. Crossbar 2.05
3. Rear sail attachment point 1.97
3. Crossbar Dimensions
a. Overall pin to pin length from leading edge attachment point to hinge bolt at
glider centerline 106.75
b. Largest outside diameter 2.05
4. Keel dimensions; least and greatest allowable distances, whether variable through
tuning or through in-flight variable geometry, from the line joining the leading
edge nose bolts to:
a. The xbar center ball center 61.5
b. The pilot hang loop 74.25 - 78.25
5. Sail Dimensions
a. Chord lengths at:
1. 3 ft outboard of centerline 106.0
2. 3 ft inboard of tip 53.5
b. Span (extreme tip to tip) 370.5
6. Location of Information Placard Keel
Location of Test Fly Sticker Keel
7. Recommended Pilot Weight Range 150 - 280
8. Recommended Pilot Proficiency USHGA Novice