
Prices in this section are representative. Please contact us for current pricing and availability.
Piper STC’d Ribs
R-3 series airfoil is a USA-35B modified as per original Piper design.
NOTE: We have an STC for this rib for use in restorations!
T-Cap section is extruded 6061-T6. Intercostals are 2024-T3
Rib is riveted to cap of metal I-beam spar.
Rib is screwed to web of a wooden spar.
Rivets attaching intercostals to rib base can be pre-drilled but un-attached for easy replacement purposes at no extra charge. (Request with order.)
Rivets are 5056 series, closed end aluminum with steel mandrel and domed head.
A single rib will be sent upon request for the price of the rib plus $25.00 shipping and handling.
8-A – USA 35B MOD – 63 CHORD – STC’D
L or T Section
(A) = 63″ (B) = 9″ (C) = 31″
BUTT – L section, brace | $82.00 |
FULL | $78.00 |
TANK BAY | $84.00 |
AILERON | $78.00 |
FLAP | $78.00 |
INBOARD – (R or L) | $82.00 |
OUTBOARD – FULL | $82.00 |
OUTBOARD – 60″ | $82.00 |
WING TIP – (R or L) | $74.00 |
WING TIP NOSE | $36.00 |
NOSE | $36.00 |
Note: All published prices subject to change
NOTE: USA Dollars only. Please call for current USA and foreign trade pricing.
For wood spar wings add ” – W” to the end of part number.
For metal spar wings add “- M” to the end of the part number.
Designate RIGHT or LEFT where indicated.
Experimental Aircraft Aluminum Ribs
- All series can be made from “L” or “T” extruded section
- “T” Section:Fabric can be rib stitched only.
- “L” Section: Fabric can be riveted.
- USA 35B modified and STC’d for Piper J3 – PA18 replacement ribs
- USA 35B available experimental.
- Ribs are made for flange attach on aluminum spars and web attach on wood spars.
- The dimensions given are standard. Any custom dimension is $25.00 per dimension change.
- All ribs are made from 6061-T6 heat treated extruded aluminum cap strip and 2024-T3 intercostals.
- Metal or wood spar must be specified on order.
- Custom Ribs – quoted upon inspection of airfoil.
10 – A – Gottingen 387 (Modified) – (Experimental)
L or T Section
(A) = 48″ (B) = 9 1/4″ (C) = 24″
BUTT | $72.00 |
FULL | $67.00 |
AILERON | $67.00 |
INBOARD | $72.00 |
OUTBOARD | $72.00 |
NOSE | $36.00 |
Designate R or L with number for right or left hand.
Note: All published prices subject to change
NOTE: USA Dollars only. Please call for current USA and foreign trade pricing.
Gottingen 397 (Modified) – (Experimental)
L or T Section
(A) = 54″ (B) = 9″ (C) = 26 1/2″
BUTT | $72.00 |
FULL | $67.00 |
AILERON | $67.00 |
INBOARD | $72.00 |
OUTBOARD | $72.00 |
NOSE | $36.00 |
Designate R or L with number for right or left hand.
Note: All published prices subject to change
NOTE: USA Dollars only. Please call for current USA and foreign trade pricing.
7-A – USA 35B – 63 CHORD – (Experimental)
L or T Section
(A) = 63″ (B) = 9″ (C) = 31″
BUTT – L section brace | $80.00 |
FULL | $76.00 |
TANK BAY | $82.00 |
AILERON | $76.00 |
FLAP | $76.00 |
INBOARD | $80.00 |
OUTBOARD – FULL | $80.00 |
OUTBOARD – 60″ | $80.00 |
WING TIP | $77.00 |
WING TIP NOSE | $36.00 |
NOSE | $36.00 |
Designate R or L with number for right or left hand.
Note: All published prices subject to change
NOTE: USA Dollars only. Please call for current USA and foreign trade pricing.