Replacement correct battery. ESP special batteries ltd. sales line .+44(0)1162413796.
2.4V 3ah Nickel Hydride battery with 2.7 mm wide spade terminals. ESP part no.ESP-7-58-709G Chemistry. NIMH (MSDS data sheet) Voltage.2.4v Capacity.3000 mah. Size (h 0). 83x22mm Weight.114g ESP cell -ref.ESP3000SCH
Band saws are friction driven with a low mass blade - so the moment it snaps there is no drive - and since it has little mass will stop very quickly - especially if mid cut.
A chain is sprocket driven, and has more mass - so it will stay engaged with the sprocket as long as there is load on the tension side. Hence it may still get driven for a while until it disengages from the sprocket.
Yup, its not usually a problem when the whole chain loses tension like that IME. (Also modern saws have chain catchers near the return side of the sprocket to catch and snag a wayward chain).
Yes I have no idea what the Bosch thread is for in any case. Although its batteries it has to be two cells for that voltage, and who asked in the first place? So the whole thread is a complete mystery. Brian
I saw a bar drop off a saw in use and watched the chain shoot forward (luckily) about 3m. ;-(
Cheers, T i m
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