Home made flywheel explodes and almost kills it’s builder.
- Thread starter Thepartsguy
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65ShelbyClone
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The title of this thread should be "Flywheel doesn't explode, no one injured, and no video."
Thepartsguy
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Ok so I had to use AI to get this link I’m haphazardly going to click post and hope google didn’t link something we don’t want here.
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Predator 212/224 builds | Don’t try this at home kids | Facebook
Don’t try this at home kids ! This is just to show I’m not afraid to show my failures as well as my successes . So I thought I’d give you your laugh for the day . This is a complete failure due to...
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Edwin Spangler
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Scared the **** outta me!
Thepartsguy
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Paused at the perfect moment to get this shot.
I wonder what true speed the ball bearings ejected at. I’m purely guessing i believe they were under enough momentum to end this dude if they headed towards and connected anywhere above the waist. Look how many there were inside that tube. Oiled buckshot
Edwin Spangler
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...And this is if they were only .177, standard airgun ammo. They look bigger than that to me.
Denny
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I still didn’t get to see the video. 
Sparkwizard
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I saw a video of a 212 idling with the shroud on it, but no video of any damage.
Thepartsguy
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Step 1: Click my link in the diygokart forum
Step 2: Don’t log in or do I just click the X
Step 3: You will be taken to the post I linked
Step 4: click the video of idle
Step 5: click the (next picture in this post button)
Step 6: Watch out for shrapnel
Step 2: Don’t log in or do I just click the X
Step 3: You will be taken to the post I linked
Step 4: click the video of idle
Step 5: click the (next picture in this post button)
Step 6: Watch out for shrapnel
Sparkwizard
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Got it! Thanks, Friend! His hand was definitely within range.
65ShelbyClone
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It felt like watching a monkey play with a gun.
Assuming a 10" flywheel diameter and 5500rpm, about 240 ft/s. Not likely fast enough IMO for a Darwin Award.
Assuming a 10" flywheel diameter and 5500rpm, about 240 ft/s. Not likely fast enough IMO for a Darwin Award.
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Thepartsguy
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Denny
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Nope still only see engine idling in a loop. No arrows to advance through videos. 
Thepartsguy
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When you’re watching the idling video start clicking to the right or left of the video like actually right click the video to see if you can make the fadeaway arrows pop up.. The arrows don’t appear for me either until I click the right of the video to make them appear.Nope still only see engine idling in a loop. No arrows to advance through videos.
Thepartsguy
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Did mods nuke the Ak video? it doesn’t appear for me know 
I thought it was pretty funny.
I thought it was pretty funny.Denny
Canned Monster
Still just idling only. No f__king arrows. I can only pause and I’m not joining bookface to see it.
Whitetrashrocker
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Denny
Canned Monster
Thanks WTR!!!!!! He deserved to loose at least one finger over that stupidity. On book face they were applauding his ingenuity instead of condemning his stupidity. The materials he chose and the way he did things was just all wrong. Not to mention the total disregard for safety. Even I’m not that stupid.
Thepartsguy
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Thank you!Here ya go denny. I stole this just for you.
dumas
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Edit: one ball bearing through the tank to splash gas all over the guy and one spark to light the bbq…
Gas and fire in the eyeballs. the shredded copper filay knives right next to the throttle lever.
Ball bearings ejected at 1/2 Mach Jesus
Many ways this could have messed this guy up.
I watch the video and every time I think he is just dang lucky to be unharmed.
Anyone notice the caption saying he doesn’t have the correct tools but still has version 2 in mind? You read that right. Dude typed out and posted he’s looking into building this again. Stop using your lottery ticket luck trying to balance an already balanced flywheel
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65ShelbyClone
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I did catch that and had something typed-out for my last post, but didn't want to end up with a wall of text.
He's self-aware enough to know he's a dumbass, but not enough to realize that he's taking all this personal risk to make something that has no purpose. As far as I can tell, it's a conceptual combination of tire balancing beads and a Fluidampr (correct spelling). Neither of those things has any application on the flywheel of a small engine. The flywheel was already balanced and a single-cylinder crankshaft is too short to develop harmonic vibrations that need a damper.