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It depends how much you value weight and space. The 120V compressor + inverter may end up weight 3x more and takes 3x more space than the ARB. Also, be careful operating an oil lubricated pump on an angle, it doesn't take much to starve the oil splasher and seize the piston... I was also going...

Makes sense then. I'd look for an efficient 3/8" drive, that uses relatively low CFM. If you operate an efficient 3/8" at full power, it may be similar to an inefficient 1/2" at partial power, but you have the benefit of a smaller wrench. Real CFMs are very difficult to find, so I do my...

We need to keep the "bros" happy though - need them for a steady supply of cheap new factory take-offs! That's my dilemma with finding LC100 16"s, not enough bros out there driving early LC100s :(

Bang on. Lots of Europeans or Aussies would drool at 400+ hp "petrol" engines that working class men could feed, or a Cummins dually with as much power as their "lorries". For the OP, I think a modern Power Wagon is one of the most over-built off roaders. It shares a 50,000 psi frame with a...

Curious why you want another air impact then? Air power is extremely inefficient (in terms of watts consumed to power a tool), so I leave my impact for the shop compressor. The ARB twin puts out roughly 1.8 real CFM @ 90 psi, judging by comparison against the Puma (1.34 real CFM @ 90psi)...

Finally, the grand daddy DV-18, which uses a 7.0hp motor and the same 315:1 ratio. Hope this implies the motor is tuned for more torque (than the 5.6hp) and not just geared too tall for an 18k lbs class winch. Calculations: Line speed and amperage wrt line pull: Power output and...

DV-15. Uses the same 5.6hp motor as the DV-12, but now geared at 315:1. The specs are very similar to the Warn Series 15. Calculations: Line speed and amperage wrt line pull: Power output and efficiency: Summary: 1) Beginning to see some consistency here. Compared to the DV-12, this...

The full size DV-12. From 12k lbs onwards, the winches appear to share identical housing, and only motor and gearing is changed, much like the Series 12 - 15 - 18 from Warn. DV-12 uses a 5.6 hp motor, and 261:1 gearing. Calculations: Line speed and amperage wrt line pull: Power output...

ComeUps coming up! I'll be looking at their "Self Recovery" DV-series. These are gray looking units a lot like Warn's industrial Series line, although ComeUp do not consider these their "industrial" winches. Starting with the DV-12 light. Compared to the regular DV-12, it uses a weaker motor...

Saw that, and love it. I think this is the most practical upgrade for anyone with an old 8274. The twin motors are sexy, but looking at the power usage of the ComeUp Blazer, most of us would kill our electrical system very quickly. The New Zealand guy running twin 7.0hp motors have 2 8D bus...

For sure. All the info is based on what's listed on ComeUp's site: http://www.comeupwinch.com/pro/detail.php?pid=167&cid=128&f=#.VuePAuIrJhE Calculations: Line speed and amperage wrt line pull: Power output and efficiency: Summary: 1) I have to start by saying I'm a little...

I think this is likely the case for self recovery in technical, but not not sticky / tacky terrain. And for most of us this may well be the most common situation. But my study also caters to a greater audience - there are folks who use winch for extended self recovery, AND others, in deep...

And that's exactly why I studied the efficiency of the 9.5XP vs Series 15. Based on what I read on Pirate, I thought both winches have identical Bosch 6.0hp motors, the only difference being weather sealing. But based on what I find, I'd gladly pay the extra $100 for the Series 15 motor. Power...

Warn Endurance 12 Calculations: Line speed and amperage wrt line pull: Power output and efficiency: Summary: To be honest, I don't see the point of this winch over the Zeon 12 Platinum, it's worse in every way. 1) Warn claims this winch has the highest duty cycle. It may, but that's...

Zeon 12 Platinum Calculations: Line speed and amperage wrt line pull: Power output and efficiency: Summary: 1) In my initial study, I though the Zeon 12 Platinum to be a very efficient winch, and the numbers prove that. The peak efficiency (43.1%) is approaching the spur gear 8274...

Last time we left off at the Warn Series 15 industrial winch, which uses a 6hp 70865 motor. So far, this is our champ for all out power at 1763 watts. This is amazing considering the 14hp rated ComeUp Blazer only puts out 2066 watts (at 2000 lbs). Either Warn is seriously conservative, or ComeUp...

Thanks for the info. I kind of figured Warn would be the leader in R&D and testing, being the biggest player around. Which is why I'm looking into their winch specs first, to use as a datum. We won't know if the other manufacturers are lying or not just by their published specs. But what we...

I did the calculations, but the data is strictly as provided by the OEMs. We don't know what power supply they used, it could be an industrial power supply providing 12.00V (likely for Warn), or it could be some random truck an engineer owns (the smaller companies). In real life, unless you...

Warn Industrial Series 15 Testing my theory that excessive gearing lowers efficiency. I chose the Industrial Series 15 because we can hold the gearing parameter constant (315:1), and the difference is all in the motor. The Series 15 uses a 6hp 70865 motor, essentially an industrial version of...

Warn 16.5ti Calculations: Line speed and amperage wrt line pull: Power output and efficiency: Summary: 1) The efficiency number surprised me - at first glance I though this winch had the best efficiency due to the low amps, but it's actually the worst so far. 2) My guess on the low...