18th more likely. Pretty sure Captain Cook had one. Used it when grounded on the Great Barrier Reef.
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Bought a 6T electric/hydraulic jack, quite low profile and good extension, has a remote switch so no need to be under the vehicle when jacking. Tried it out in the shed (I know, worst place to try things) and worked very well for the car and caravan. Reasonable light, and compact, you can do adaptor for chassis rail as per bottle jack.https://uploads.tapatalk-cdn.com/202...a6986cab2c.jpg
150mm min height is pretty low. Blackwoods jack is 181mm
Good question Mike, should have included it in my first comment, but here I am in Exmouth with a bit of spare time so here is a local reenactment.
Yes it does, under the chassis lifting point, infact you can extend the adjustment screw, see pictures. It won't fit under the control arm but if you drove the wheel onto a 50mm block it would fit.https://uploads.tapatalk-cdn.com/202...cfe89bf8b9.jpghttps://uploads.tapatalk-cdn.com/202...80c95de258.jpghttps://uploads.tapatalk-cdn.com/202...27c31582c1.jpg
Thanks John… how’s Exmouth?
Yeah, there are quite a few variations out there so be careful with your selection. This one is rated at 6 tonnes but I think they're a bit soft on the 6 tons might be Chinese tons or something, [emoji37] anyway it does the job but it's like everything it's not perfect but it's usable for what I wanted which was the car and caravan combined.
Certainly the usual safety precautions but the base is solid, probably as wide as the bottle jack but I'm not sure I don't have one and not have I made any measurements but it would certainly be longer so if you orientate the jack in the direction that the vehicle is least stable when you're lifting it you've got a good level of support. The remote switch was a winner for me and enabeling me to get out from underneath the caravan if I was jacking a caravan wheel also applies to the car.