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Finally finished the fixed part of the suspension and the drive sprockets. The drive sprockets were inaccurate in that they didn't have the brake drums on the inside modelled so I scratch built these. The real tank had a couple of curved housings underneath the hull - I don't know whether these are the drive motor housings (Saint-Chamond tanks were petrol-electric) or a final reduction gearing - but they are just not present in the model. The upper part of the suspension is quite accurate but a total pain to put together - there are about 70 parts on each side and the whole thing has to be made very accurately otherwise it won't attach inside the I-beam of the lower chassis. There are also a total of 12 springs which slot into the bottom of the upper suspension - should be fun...
Regards,
Charlie
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