@eddyk: Thanks
@dgsselkirk: Thanks, I like the B&W, I just got a new camera, so needed something to try it out on

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@PainlessWolf: Thanks, Yes that's a stock battery, I think I will have to get some Ni-MH types, the nicads I have are all reaching the end of their life.
@fishtank: Thanks, the torro metal base is great, together with the wheels I have no problem with tracks coming off. The metal lower includes a track tensioner so its worth spending time adjusting it to suit the ground your running on.
@lister fiend: Thanks, I had to lay on the ground to get the perspective right, some people I have shown the photo too thought it was a real tank

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Thanks guys
Rob