Walter Surface Technologies SST Drill Bits | 1" Check Valve

And since you don’t care about anyone else’s health, why should we care about your “liberty?”

If price and flexibility are important factors in your decision, then a third-party extended warranty may be the route to take.

A Ford extended warranty only continues a factory warranty plan. If you don’t want to purchase one through a Ford dealership, you can look for an extended service protection plan from a third-party auto warranty company. 

There’s also the potential issue of strength. Since the core of the bit is hollow, it follows that it won’t be as strong as a solid core bit. You should really let the bit and the tool do the work, but I went ahead and put some pressure on it – more than I ever do when drilling in concrete. There doesn’t seem to be much chance of damaging it, save for wearing down the tip faster and wearing myself out in the process. Even though the bit is longer than some of the ones you’re used to, it’s still more than capable of holding up in tough conditions.

From the moment the rumor mill first started hinting at KTM developing an 800cc parallel Twin way back in 2014, droves of performance-minded motorcyclists, myself included, have been salivating at the thought of throwing a leg over one. Stuffed into a light, nimble chassis, this engine could power what middleweight fans have been dreaming of for years: A razor-sharp instrument for dissecting any twisty road thrown at it. 

Awesome article! I actually went to school with Brian and was in his class where he made the engine. very cool design and way cool to see it featured on hackaday!!!

The strength of Kawasaki’s cutting-edge electronics has always been the highly sophisticated programming that, using minimal hardware, gives the ECU an accurate real-time picture of what the chassis is doing and what the rider wants, to best support the rider’s intentions with natural feel.

Sealing issues and force requirements I’d suspect, pushing into the cylinder means the force of combustion pushing and sealing the valve and against it’s seats. To pull the valve in means you’d have have to hold it there against the force of combustion and to seal a moving cylinder against those pressures.

The Bosch dust shroud attaches to any vacuum with anywhere from a 1-3/8″ – 2″ vacuum hose. The easiest connection you’ll get is with a Bosch dust extractor hose like the one that comes on the VAC090A. You just press in the red tabs to release the stock nozzle, then lock it into place on the dust shroud. It’s a simple swap and there’s little to no risk of it coming off accidentally.

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There are those liquid piston engines….basically simialr to Wankel but without apex seals. Running a hybrid Otto/diesel cycle iirc…. Would love to see a working engine….

If your car is under warranty, and if it’s properly operated and maintained, you shouldn’t have to worry about these out-of-pocket expenses. But you may be surprised to learn that not all factory warranty plans cover all parts; most don’t last for more than a few years. Also, manufacturer warranties require you to use factory-supplied materials and authorized Ford mechanics.