(a) Test handheld engines with the following steady-state duty cycle:
Table 1 to Appendix B-Duty Cycle for Handheld Engines
G3 mode No. | Engine speeda | Torque (percent)b | Weighting factors |
1 | Rated speed | 100 | 0.85 |
2 | Warm idle | 0 | 0.15 |
a Test engines at the specified speeds as described in § 1054.505 .
b Test engines at 100 percent torque by setting operator demand to maximum. Control torque during idle at its warm idle speed as described in 40 CFR 1065.510 .
(b) Test nonhandheld engines with one of the following steady-state duty cycles:
(1) The following duty cycle applies for engines designed to idle:
Table 2 to Appendix B-Duty Cycle for Nonhandheld Engines With Idle
G2 Mode No.a | Torque (percent)b | Weighting factors |
1 | 100 | 0.09 |
2 | 75 | 0.20 |
3 | 50 | 0.29 |
4 | 25 | 0.30 |
5 | 10 | 0.07 |
6 | 0 | 0.05 |
a Control engine speed as described in § 1054.505 . Control engine speed for Mode 6 as described in § 1054.505(c) for idle operation.
b The percent torque is relative to the value established for full-load torque, as described in § 1054.505 .
(2) The following duty cycle applies for engines that are not designed to idle:
Table 3 to Appendix B-Duty Cycle for Nonhandheld Engines Without Idle
Mode No.a | Torque (percent)b | Weighting factors |
1 | 100 | 0.09 |
2 | 75 | 0.21 |
3 | 50 | 0.31 |
4 | 25 | 0.32 |
5 | 10 | 0.07 |
a Control engine speed as described in § 1054.505 .
b The percent torque is relative to the value established for full-load torque, as described in § 1054.505 .
40 C.F.R. 1054 app B to Part 1054