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    henryhendrixx

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    [–] Looks like no race for today henryhendrixx 2 points ago in Wellthatsucks

    From what I’ve seen drivers will flash their headlights to indicate that they’re going to overtake the driver in front of them. Like a turn signal but for passing the dude in front of you.

    [–] Crab Processing Machine henryhendrixx 8 points ago in mechanical_gifs

    The gif shows the very first thing after the crab comes off the conveyor belt is it’s legs getting clamped and a saw quickly cutting its body, killing it instantly. Then the legs get chopped off.

    [–] How a two-position propeller works henryhendrixx 2 points ago in mechanical_gifs

    It is a type of variable pitch propeller. Some examples of variable pitch propellers are the two-position prop, constant speed prop, and controllable pitch prop.

    [–] How a two-position propeller works henryhendrixx 2 points ago in mechanical_gifs

    A lower pitch will allow the blades to spin at a high RPM, producing higher thrust but also makes the engine use more fuel. A higher pitch will allow the blades to spin at a lower RPM and is used to save fuel. A lower pitch is used for high power situations like takeoff and a higher pitch is typically used for cruise.

    [–] How a two-position propeller works henryhendrixx 9 points ago in mechanical_gifs

    I mean as per the FAA, we also have to learn about rotary radial engines which haven’t been used since WWI. Just because it’s rare doesn’t make it unimportant.

    [–] How a two-position propeller works henryhendrixx 1 points ago in mechanical_gifs

    There’s a piston controlled by oil pressure in the center. When that piston is in the extended position, a spring forces the counterweights on the propeller blades inward so centrifugal force doesn’t act on them as much. This makes the blades sit at a lower angle and allows them to rotate at a higher rpm and produce higher thrust. When the piston is retracted, it forces the counterweights outward and centrifugal force will pull the blades to a higher angle and will make the blades rotate at a lower rpm.

    [–] How a two-position propeller works henryhendrixx 48 points ago in mechanical_gifs

    You're technically not wrong, it is a variable pitch prop. However there are a handful of different types of variable pitch props such as the two position one shown, a constant speed prop, or a controllable pitch type.

    [–] How a two-position propeller works henryhendrixx 11 points ago in educationalgifs

    A low pitch blade will allow the engine to spin at a higher RPM, producing more thrust and is typically used for takeoff. A high pitch blade will allow for greater fuel economy and is typically used during cruise.

    [–] Ohboyohboyohboyohboyohboyohboy...YES! henryhendrixx 16 points ago in tippytaps

    Can someone stabilize the camera on the dog and make it look like an earthquake?

    [–] The Wild Thornberrys henryhendrixx 19 points ago in funny

    If only there was a subreddit for it

    [–] Too much turbo ? henryhendrixx 7 points ago in DiWHY

    no you just put the wheel on the other way around

    [–] Trying to cross over multiple lanes without looking, WCGW? henryhendrixx 2 points ago in Whatcouldgowrong

    Unfortunately, semi truck drivers are almost always found at fault either by the insurance company or by their employer because they're "professional drivers". In this case the insurance company probably didn't find the truck driver at fault for hitting the small car but they most likely found them at fault for hitting the other semi truck. Depending on who you work for, some companies are more forgiving than others with regards to 'avoidable accidents' regardless of how insurance deems who's at fault.

    [–] How to deal with a lunatic with a ham knife henryhendrixx 5 points ago in gifs

    You mean like a taser or something? That's a really good idea, I'm glad Reddit was able to solve this crisis! /s