This standard specifies classification standard, general requirements, special requirements and classification test methods of external projections for motorcycles and mopeds.
This standard is applicable to motorcycles and mopeds (hereafter referred to as motorcycles).
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB 11566 External Projections for Passenger Car
3 Terms and Definitions
For the purposes of this document, the following terms and definitions apply.
3.1
rear cab bulkhead
farthest part in the rear of outer surface of the cab
3.2
contact angle
α
included angle between the plane through the test device as shown in Figure A.1 and contact point 1 and vertical to the longitudinal median plane of motorcycle and the plane through contact point 2 and the test device axis
3.3
stem
circular or nearly circular projection or component with relatively constant outer diameter, including bolt and screw head, and with accessible free end
3.4
plate
flat and square projection or component with obvious four edges made of materials no more than 10mm
3.5
R point
design point that is established by the manufacturer according to three-dimensional coordinate system for specifying the position of each seat
