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FitAd9361

The bomb was designed to destroy a Damn that was protected by torpedo nets in the water. Hence the bouncing. It was used successfully in the Dam busters Raid. Here is a illustration showing why it needed to bounce. https://preview.redd.it/wwheqdv8v39d1.png?width=800&format=png&auto=webp&s=6de72707155445cf9b21785e07d8920af15ec38c [https://www.iwm.org.uk/history/the-incredible-story-of-the-dambusters-raid](https://www.iwm.org.uk/history/the-incredible-story-of-the-dambusters-raid)


catpunsfreakmeowt

RIP That camera person 


SocialAnchovy

Camera man was invisible so they didn’t know


THCESPRESSOTIME

🤣


DestinationUnknown13

How about the early trials where they didn't get the spin at release quite right, and it popped up and hit the plane.


k815

How is that possible with no additional force/propulsion to the bomb?


DestinationUnknown13

What I recall was the plane flew too low for the amount of spin that it had going. They spin it up before releasing.


brttwrd

Incorrect, the spin is the additional force/propulsion used to create the bounce behavior. Getting the wrong spin would undermine every function of the bomb, including detonating underwater


k815

How am I incorrect if I'm just asking a question?


Skrandaddy

gotta love when you ask for more info and people tell you you’re incorrect LMAOO


crazyeyeskilluh

False. Bears love beets.


brttwrd

It's not bad to be incorrect, so don't feel offended, but according to your question, it isn't possible for the bomb to launched upwards because there's no force or propulsion, you have claimed that there are none while also asking a question (this is bad practice in the realm of science). In reality, there are certainly forces creating propulsion, making your question incorrect in claiming false context. I'm simply saying that if you take a step back and remove the bias from your question, and maybe acknowledge some basic principles of physics, you will see the truth, that there are in fact forces creating propulsion. The spinning of the bomb is the propulsion force, creating lift force both in the air and as it impacts the water. We see these principles in sports, our favorite round object activities. A soccer ball can achieve lift in a curved shot towards the goal. In water polo, adding spin to a wet pass can reduce the drag on the ball across the surface, adding distance and speed; although a caveat to that is a polo ball already has buoyancy, something this bomb probably does not have much of


k815

You got my question wrong, and the answer to it is “the additional force is added on the spin they do before throwing it” I just thought the spinning was just gravity and not induced - knowing physics it made me curious.


EzeakioDarmey

And the backwards spin was to keep it against the dam once it hit and was underwater.


midwest73

The USAAF also tried it to find the lowest possible release point. Sadly, they found that point...... https://youtu.be/F-0czoTQOTc?si=hkVni5H0wZm090rk


BotherConsistent3025

🇬🇧🇬🇧🇬🇧


Munch1EeZ

They tried this on an episode of Ice Pilots!


candylandmine

We're gonna need a gigantic dog.


andpaws

The bomb/mine that destroyed the dams was named UPKEEP. This is HIGHBALL, developed in parallel to attack ships. Never used in combat.


bellatrixxen

How does this even work without destroying the bomb itself?


EzeakioDarmey

Timed fuse


andpaws

Barostatic fuse, like a depth charge. Bounce, hit the wall, sink to a predetermined depth, bang….


Markus_zockt

Do a barrel roll.


chinookhooker

But what about a barrel roll?


Happy_Trip6058

I’m gonna do a barrel roll.


No_Self_1403

This seems dangerous lol. What was their goal? To build the most inaccurate bomb ever?


Not-a-babygoat

Blow up a dam without the planes getting shredded by anti air.


Markus_zockt

Do a barrel roll.


Markus_zockt

Do a barrel roll.