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Amazing, awesome

Very educational video's! Would love to see a video on the design of all these components for 3d prints.

Awesome explanation, maybe change that diesel injector to spark plug tho.

Andre Citroen started out making herringbone gears. The Citroen logo was designed to look like two herringbone teeth and remains basically the same to this day

Domed pistons are often the heaviest piston and they push the air/fuel to the walls. Walls are relatively cold and don't burn as efficiently. SO domed pistons require more ignition timing and it really really hurts power. Dished pistons tend to be the most thermally efficient. If paired with small combustion chamber it will give the compression you need. I'm running 10.4:1 on a small block chevy with dished pistons and 54 cc heads.

Waht about Pseed of Sound pistons?

Good content keep it up

i loved your video! i was looking for something like this for a university project. i just wanted to know if you could provide me some measures

I wonder if the double helico could be used for oil? Turn the floor of the gear design into a feature of your lubrication 😉

Feel like it would cost the same to manufacture if they were made modular. Gear right + Spacer + Gear left = Helical Gear right + Gear left = Herringbone

The gap on the double also prevents cavitation damage.

Which type of gear is less sensitive to dimensional accuracy? My 3d printer is a potato.

Wouldn't the double helical wear faster, assuming both were machined with the same degree of accuracy?

Bro is the first person to put his mechanical degree to good use ❤

1:05:54 in the clip ethan watched they said that white people have the worst food, ethan is so disgusting and disingenuous

You forgot to say this is for gas engines

Why does gluing some gears to that part of a cable machine make it strong? 😂😂😂😂

What about just machining two identical gears, then flip one around and welding together?

Hair and bone gear and double heel licker gear

Why don't they just manufacture the doble gear then the cutting machine can like split that into 2 part which can make a normal heliacal gear

This looks great! You open to sharing either the STL or STEP file(s) of the push latch?

So why not just make two gears? And press them on a shaft. With gthe gears taper pinned or bolted together if they need to be held together. A tapered pin (or three pins) they can have pins 1/8--3/16" extra long and brad the end of the tapered pins, holding the gears together, or drill and tap on one side bolting them together. This is alot easier than making a harringbone gear...

That little gap can be used for a band of some sort in a system

A very important advantage of the double helix gear is that the space in the middle provides a place for lube oil to run off and drain rather than having a very small high pressure area that could damage the gears.

Thanks for the video Aaron 👍

ive heard that a double helical gear allows for better lubrication when a less viscous lubricant is necessary

Why did I see this at 12 at night

the gap also known as an oil groove, is for oil, so when you reverse the gears they won't hydraulicly lock. It's not for cost or weight. Double helical gears are used in the Navy to prevent hydraulic lock.

Former sailor here, warships are DEFINITELY an area where space is a concern, and they do NOT use the herringbone gear at all

Why not just sandwich two mirrored helical gears together? Best of both worlds.

funnily enough double helical might be easier/cheaper to produce traditionally, but in 3D printing as shown here, herringbone is *MUCH* easier to print as you don't have that overhang on the gap

Straight cut gears are the best option tho, unless you NEED the low noise level of the other ones.

if your 3d printing there is almost no downside to picking a herring bone gear, when there is no gear shifting mechanism to contend with. (Some are incompatable with either double helical and herringbone) Also Double helical do not always have a gap, as two oppiste handed helical gears sandwiched are also a double helical, but of course are slightly weaker being multiple units. (Although there are brazes that are stronger then some steels so.. Everything starts to get wonky)

i prefer metal gears, especially ones that are rising

You can also allow for more oil to go into Mears so it has less wear

Counterpoint: double helical gear can also have a band/belt attached

Make it in two pieces with a d key to mate them

Tolerences matrer less too, which is huge in manufacturing

So, why can't we just fuse two helical gears together to form a herringbone gear? Or am I missing something?

Hobber, not shaper.

Would the v shape of the herringbone gear be a stress riser? Especially for 3d printed gears where the layer lines are likely to be running parallel to the v shape?

They are stronger because they are forged

I thought hes talking about tires and I was wrong

Why not cut out the middle and weld both sides.

that ended up being a lot more of a boring comparison than I was hoping for, lol. I was wondering if alignment is different or anything, nah... it's just less teeth in the same space. ok.

Worm gears are often used in geared elevator motors with the motor motor spinning at high speeds and the sheeve spinning at a lower, higher torque power

That’s not a mining machine that’s a pumping unit on a sucker rod oil well. Mining has nothing to do with it.

Worm gear better for non reversible applications.

A type of worm gear is used in vehicle steering. Typically more common in older cars and heavier trucks. It's called worm and sector but I'm more familiar with the term recirculating ball steering. Basically, both types of these gears are common in heavy duty trucks and older cars

Just got it in my fyp so its working. Make this guy famous!