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The involute spline design of the
SPA steering quick release mechanism incorporates a master spline that
allows both perfect orientation and alignment. The quick release boss is
manufactured from aircraft specification material and the inner splined hub
is then hard anodized for both strength and durability.
In addition to the standard 20mm and 23mm internal diameter splined mechanisms we have now introduced a range of Electric quick release that incorporate Lemo 8 pin connectors in both the hub and shaft, these mechanisms are available in 20mm diameter spline format. The electric quick release comes pre-wired with 1 meter on the shaft and 1/2 meter on the hub enabling the customer to mount all the necessary controls and switches on the steering wheel without the usual unsightly wiring wrapped around the steering column.
SPA Technique steering quick release mechanism conforms to the latest FIA technical specification as defined in Appendix J Article 255 dated 01-01-03 5.7 3.7 Steering Wheel.
The quick release mechanism must consist of a flange concentric to the steering wheel axis colored YELLOW through anodizing or any other durable yellow coating and installed on the steering column behind the steering wheel.
The release must be operated by pulling the flange along the steering wheel axis.
Special Applications
SPA Technique has the capability to manufacture a wide variety of Quick Release Systems and this service is available to all constructors.
Standard Steering Quick Release Mechanisms:
| PART NUMBER | DESCRIPTION | SHAFT MATERIAL |
| QR 1 | 20mm Hub x 5/8" Diameter Spigot | EN3B |
| QR-1-EN3B | 20mm Hub x 1.0" Diameter Spigot | EN3B |
| QR1-5-4130 | 20mm Hub x 5/8" Diameter Spigot | 4130 |
| QR1-1-4130 | 20mm Hub x 1.0" Diameter Spigot | 4130 |
| SPL 100 | 20mm Shaft Only 5/8" Diameter Spigot | EN3B |
| SPL 101 | 20mm Shaft Only 1.0" Diameter Spigot | EN3B |
| SPL 102 | 20mm Shaft Only 1.0" Diameter Spigot | 4130 |
| SPL 103 | 20mm Shaft Only 5/8" Diameter Spigot | 4130 |
| QRB 101 | 20mm Quick Release Boss Only | |
| QR 2 | 23mm Hub x 5/8" Diameter Spigot | EN3B |
| QR 2-3B | 23mm Hub x 28mm Diameter Spigot | EN3B |
| QR 2-4130 | 23mm Hub x 29.5mm Diameter Spigot | 4130 |
| QRS 2-5 | 23mm Shaft Only 5/8" Diameter Spigot | EN3B |
| QRS 2-3B | 23mm Shaft Only 28mm Diameter Spigot | EN3B |
| QRS 2-41 | 23mm Shaft Only 29.5mm Diameter Spigot | 4130 |
| QR2-B | 23mm Quick Release Boss Only |
Note:
QR 1 Have 20mm Diameter Spline
QR 2 Have 23mm Diameter Spline
Pre-Wired Electric Quick Release Mechanism
| PART NUMBER | DESCRIPTION | SHAFT MATERIAL |
| QRE1-5-3B | 20mm Hub x 5/8" Diameter Spigot | EN3B |
| QRE1-1-3B | 20mm Hub x 1.0" Diameter Spigot | EN3B |
| QRE1-5-41 | 20mm Hub x 5/8” Diameter Spigot | 4130 |
| QRE1-1-41 | 20mm Hub x 1.0" Diameter Spigot | 4130 |
| QRSE-5-3B | 20mm Shaft Only 5/8” Diameter Spigot | EN3B |
| QRSE-1-3B | 20mm Shaft Only 1.0" Diameter Spigot | EN3B |
| QRSE-5-41 | 20mm Shaft Only 5/8" Diameter Spigot | 4130 |
| QRSE-1-41 | 20mm Shaft Only 1.0" Diameter Spigot | 4130 |
| QRE1-B | 20mm Electric Quick Release Boss Only | |
| QRE1-SW-KT | 20mm Shaft Wiring Kit | |
| QRE1-B-KT | Boss Wiring Kit |
For
those customers that have the special Lemo tools the Electric Quick Release
can be supplied Un wired. Special splined shafts can also be manufactured
to customer specifications.
Quick Release to Steering Wheel
Adapter
Part Number - QRA 103
Manufactured from billet aluminum this anodized adapter allows pre-drilled steering wheels to be fitted directly to the QR1 or QR2 quick release mechanisms. The adapter is designed to fit directly to Momo, OMP, Sparco or any Alpha pre-drilled steering wheel.