Notes

The ABkC reserves the right to make amendments at any time during the year in order to equalise performance between the T1 and T2 engines, or to otherwise adjust the performance of either or both engine types. Any new regulation will come into force one month after the publication of updated regulations, subject to MSA approval. 

The ABkC may introduce new check tools or inspection methods at any time during the year in order to maintain the integrity of these regulations. Any new regulation will come into force one month after the publication of updated regulations, subject to MSA approval. 

A master set of dimensionally accurate gauges are held by the ABkC for verification purposes.

NOTES

Unless otherwise stated T1 component on left, T2 on right

Measurements marked * are nominal, and only for guidance in determining differences between engine types. Other dimensions are absolute for scrutineering purposes. 

It is intended to withdraw references to the T1 engine from these regulations as from January 2017. The T1 engine will still be eligible for use, any T1 engines in use after that date would refer to the 2016 regulations.