The BPD Sirio motor had a fiberglass case (or a Ti case?) and was 0.49m diameter, 1.29m long. The 500 kNs impulse engine was 200 kg full, 177 kg of propellant, with a 35s burn time.
A Carbon fiber motor case version was proposed for OTS but not used.
|SNIA-BPD Glass fibre AKM (possibly called Ciron)|
|1977-029A||Geos 1 AKM||1977 Apr 25||S||Geos 1 ABM||Delta 130|
|1977-080A||Sirio 1 AKM||1977 Aug 26:||S||Sirio 1 ABM||Delta 133|
|1978-071A||Geos 2 ABM||1978 Jul 15:||S||Geos 2 ABM||Delta 143|
|1982-F06||Sirio 2 AKM||1982 Sep 9||NT||Sirio 2 ABM||Ariane 1 L5|