Why Tap Helicopter Blades With a Coin? #shorts

Tapping helicopter blades with a coin serves a life-saving purpose, but the reason, is #NotWhatYouThink #NWYT #shorts

Music:
Particle Emission - Silver Maple

Footage:
Robinson Helicopter
TractorMan104
Ruckus Composites
gordon macdonald
M Level 3 Structures
US Department of Defense

Note: "The appearance of U.S. Department of Defense (DoD) visual information does not imply or constitute DoD endorsement."

[YoungGandalf]

I need one of those ultrasound devices to test melons at the grocery store. My tap test isn't very reliable.

[kaptainkaos]

I work in USN flight testing and it’s seriously called a tap test. Place transducers around the area and tap with a hammer. Many old skool eineers can just use their ears and tell if there’s a defect.

[altera]

Next: how tapping the armour on a hummer with a balpeen hammer can help identify soft spots

[anomunususer]

Bro that chopper at the Start was having a boogie

[worldwarboy]

"Anything else with composite component"
*TITAN SUBMARINE CARBON FIBER PRESSURE HULL HAS ENTERED THE CHAT*

[casesully]

That's all the Ocean Gate crew needed to a coin on the pressure vessel.

[glen]

Wheeltapper was a job on the old steam railways. A guy would walk around the engine tapping the wheels with a small hammer. In a Will Hay comedy short he is doing that when someone asks him what he is doing

[andrewwickes]

Former UH-60L/M TI. I used my wedding ring for checking that. Thing worked great for coin tapping. Couldn't carry loose change in the pockets due to FOD so, used the next best thing. We always NDI'd after a coin tap to verify but a quarter, an ear, and some quiet did the trick.

[mk]

At Robinson they always make sure the blades are strong enough to go through the tail boom

[JoeGorz]

Wish tapping a humans head would be as effective in identifying underlying issues.
😅

[legit_potato]

Another interesting thing about composites is that. Usually, the harder something hits it. The less damage it does.

[jiggaboojones]

"private go check the armor for weakspots"

[Garrettthebanana]

Congratulations it’s a……. Helicopter rotor?

[SamlSchulze]

Cheap method: You got a coin?
Diamond Jim method: These waves will tell all!

[eleventy-seven]

Also applies to Carbon Fiber submersibles.

[rodger-the-robot]

Yeah I'm pretty sure there's something wrong with my rims on my bike now thank you 🤣

[adawg]

We call it a ring tap test in the aviation maintenance industry

[codeykershaw]

You gotta tap a coin the whole length of a rotor blade? That's a day job right there

[Tsirkon]

I swear the background made me think it's multiple discord notifications

[ZeldaTheSwordsman]

Me before clicking: "Let me guess, it's the same basic idea as wheeltapping."

And sure enough.