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Trust me- take a look at the Robin/Subaru engined StrikeLite. If you drill a hole with one, you WILL want one.
Been running a Strikelite for 5 years. The Robin 4 stroke is by far the best power head I have ever been around. Easy starting, smooth cutting power, runs clean, and quiet. Some people had problems with a breather tube in the crankcase freezing, causing pressure and then loosing gear oil, but I've never had that happen. Newer models changed to a larger tube and there is a kit for the older engines. The only "plastic" thing, or anything, break on this auger was the intake when my brother in-law ran over it (and I mean ran over the entire auger) with a quad. Ray @ StrikeMaster had the part to me within 3 days. The synthetic auger bit has froze on me twice. First time was in Devils Lake ND cutting through 18" of snow @ -15 and Osakis MN last year. -35 windchill, with a layer of snow covering 10" of slush before getting to the ice. The problem is not with the plastic, but has more to do with the design around cutting blades not allowing slush to be thrown clear. In very cold weather with snow and slush, ice continues to build up until the auger won't cut. A spray on cooking oil helps for awhile, but my go to method is placing the auger down with blades horizontal and hitting the bit on the ice. If I do this right after cutting a series of holes, the ice buildup is not froze completely, therefore clears well, and is then ready for next usage. The key is making sure not to damage the blades. Certainly not recommended by the manufacturer, but I was still cutting ice when Jiffy's STX hotplates were thawing blades out in pickups or the ice buildup being chipped off with welding hammers. So far the synthetic bit and auger handles have been tough enough to put up with me. dc
I can't attest to the blade sharpness comparison as the STX had one more season on it and had drilled some wind blown ice in the hills
When you drill your last hole...dive that auger into the hole and really light it up underwater. Then, take it out and light it up again and throw the water off it.
and a patient wife...