Single or 3 phase hoist

[Aussie Mike]

Originally Posted by sambo

This is a real surprise to me. I would've thought the 10A (legal) limit on single phase would make for very slow lift speed.

Mine is plenty fast enough even with 3 ton of Land Rover on there.

How fast does it need to be? On the ground to max height is probably only 20 sec or so. You wouldn't want it to throw the car up in the air and catch it again.

[Jaydee]

A long time ago I bought a 3 phase molnar 2 post, and converted it to a 3 hp single phase. Wasn't expensive, and with the right coupling, It doesn't go any slower.
It took a 30 amp fuse, wired to the power board. It saves on the hassles of a new meter and power bills.
JD

[FWB]

without hurting myself with punctuation, most lifts use the motor to run a little hydraulic pump and the hydraulics do the work, i don't see an advantage to a 3 phase motor for just that, and most of these single phase motors require 20 amp circuits.

[Cobra01]

Hi Guys

The 2 post hoists we have at work in our mechanical workshop run a 3 phase motor and use a hydraulic ram to haul cables under the center hump in the hoist which is between the posts.

For a personal hoist a single phase motor should be fine for vehicles that weigh up to 1500 KGS

Remember cheapest is not always the best option

[stiffy]

Guy's,

I have a 2 and 4 post hoist ( TUFFLIFT ) both 15AMP power.

The garage was wired with 10/15/20amp outlets for different devices.

The hoists are 15amp ( but can be modified for 10amp plugs ) and the

amount of time they are used the 20 second lift time is irrelevant.

Think back to when you had to lift the car with a jack and only to knee

height.

The 2 post hoist is the best tool I have ever purchased......

STIFFY