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Revisions
to the Hatz Bantam Plans PAGE 2, Fuselage Frame
Location
2, C
Eliminate diagonal braces 089, 090 of
vertical fin and rudder.
Location
2, B
Part No. 085 can be .058 thick for a
tighter fit before welding.
Location
5, A
Add “X” bracing between station 9 &
8 if aircraft is to be on floats.
Page 3, Fuselage Frame Details
Location
5&3, C
Station 3-10 & Station 4-8, add seat
belt mounting brackets similar to the Hatz CB-1.
Location
1, D
Station 6-6, move rudder pedal cable guides
up from 5-7/16” to 8-1/4” center to center.
Page 4, Fuselage Details
Location
6, D
Change elevator cable mounting bracket
holes from 7/8” to 1” center to center.
Location
2, D
Eliminate Lateral hole and bushing on
center of lower tail post hinge ring. Lower
brace wires attach to plate below tail spring.
Page 5, Firewall
Location
7, B
Relocate lower battery mounting bracket up
to match battery mount. Top mounting hole position to remain the same and the
bottom holes should be 7-3/8” below. Mounting
strap will need to be shortened to match new location.
Location
3, A
7/16” bushing stock welded to washer
should be 1” long.
Page
6, Landing Gear
Location
8, C
Change forward gear leg length from 2' 3
1/2" to 2' 3 7/8".
Page 7, Shock Strut, Cabane Vee
Location
6, D
Change tube -94, -95 from 7/8”x.058 to
7/8” x .049.
Page 8, Elevator & Stabilizer Layout
Location
7 & 2, C
Eliminate stabilizer out-board diagonal
braces.
Location
7 & 2, B
Eliminate elevator most out board and most
in-board diagonal braces.
Page 9, Elev. & Stab. Fittings
Location
4, A
083 Bracket Trim Tab .050 thick 6061-T6
aluminum.
Location 2, B
077 Elevator Horn must be slightly notched
on the forward lower edge to clear aft stabilizer mounting bracket.
Page 10, Rudder, Fin & Tail
Wheel
Location
6 & 5, C
Eliminate fin & rudder upper diagonal
braces. All other diagonal braces
are 5/16” diameter x .035 thick.
Location
3, A
Rudder horn .090
thick.
Page 11, Cockpit Seats
Location
3, C
Seat mounting bracket detail change
dimensions from 1-1/4” x 4” to 5/8” x 2”.
Change nut clip center to center holes from 2-1/4” to 1-1/8”.
New seat kit supplied by hangar 10 Aero have longer backs (pilot &
passenger sit lower). Seat brackets
must be custom fitted to accommodate whatever seat is used.
Page 13, Top Wing & Front Spar
Location
7, C
Add ¼” spacer between the forward ends
of the compression tubes and the wing attach fittings for bolt clearance
(forward ends only).
Location
6, D
Dimension between rear spar and T.E.
17-1/8”.
Page 16 & 17
See attached drawings.
Page 19
Location
6, C
Add slots for push rod
attach fittings.
Page 21
Location
7, B
O.A. length of torque tube 53-3/4”.
Optional offset Fwd stick detail page.
Fwd stick height 14-7/8”.
Location
1, B
Bell
crank .090 4130 steel.
See detail sheets (2).
Page 27
Location
8, C
Interplane strut threaded rod end
AN490HT8P ¼-28 changed to AN490HT10P
5/16-24 UNF-3A
Page 28
Location
2, C
Cabane strut threaded rod end AN490HT8P
¼-28 changed to AN490HT10P 5/16-24
UNF-3A.
Associated AN665-46R threaded
clevis type tie rod terminal should be used.
Streamline tubing should be drilled through the AN490 to accept a 3/16” steel
pin insert cut flush and cap welded in place on cabane and interplane struts.
Attached Drawings
Scale will need to be checked based on your printer settings.
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