Larkooler iSkyWater 300 DIY 240mm Kit

Posted: February 24, 2013 in Kits
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Pump

Here are some pictures of the pump reservoir combination.

Larkooler-iSkyWater-300-06It’s a nice looking little pump, nice base, nice compression fittings and fill port up top.

Downside with the pump only is the plastic barbs are fixed in size, these are NOT G1/4 Compatible, only 6mmID x 8mmOD tubing capable.

Size is about 4″ long by 2-3/4″ wide by 3-3/4″ tall.

Larkooler-iSkyWater-300-07

The back side does provide specs for model P2072. The pressure head seems reasonable and good, but I’m not sure that max flow rate is right, I will see in testing later.

A .26GPM max seems lower than it should be looking at the power and impeller type. The impeller is fairly open bladed so I would have expected the pump to be more low pressure high flow and higher than .26GPM. Only way to know is test it out myself in later testing phases.

Larkooler-iSkyWater-300-08

Any the obligatory “What’s Inside” picture reveals the single coil and warning buzzer.

I don’t know too much about electric motors, but this would be the first I’ve seen in water cooling pumps to only have one coil. I do however like what appears to be three wires leading to the PCB, hopefully that means we get RPM readout and I also like the little buzzer idea for fluid level, that’s a nice feature.

While I couldn’t take the pump apart due to the reservoir encasing, I could get a decent picture looking through the reservoir.

Larkooler-iSkyWater-300-09

The impeller is a flat 4 blade design with what appears to be some sort of metal shaft rather than you higher quality ceramic shafts I see in higher end pumps. Also the volute appears to be circular rather than the more desirable spiral shape and the outlet instead of being tangential to the volute perimeter is centered. Unfortunately I don’t see any of these design elements being very desirable for top performance in water cooling and the quality looks on the lower end of the scale compared to other typical water cooling pumps. I have seen a few higher powered pumps with the paddle style impellers, but not many. I have also only seen ceramic used on pumps with high MTBF ratings, so if the shaft is metal as it appears could be an early wearing component.

In the end, while I do appreciate the smaller size of the pump and I like the integrated reservoir look I’m just not sure it’s performance or reliability is at the same level as some of the competition. I do really like the pump warning feature though, in an event where the fluid drains or the pump fails, you will be well notified of the problem via audible buzzer.

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Comments
  1. M3TAl says:

    Did you end up getting Phelan’s H100i shipped to you?

    This message thing keeps changing my username, I think I’ve fixed it now.