Profit???. Umbrella, Long Board, Leaf Blower... ...Profit???.. but wouldn't the equal and opposing reaction cause him to stay still. if the "leaf blower" were a fan that had its suction on the top or bottom and th
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Profit???

Umbrella, Long Board, Leaf Blower...
...Profit???

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Submitted: 01/04/2014
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#1 - rubiksdodecahedron (01/04/2014) [+] (29 replies)
but wouldn't the equal and opposing reaction cause him to stay still.   
if the "leaf blower" were a fan that had its suction on the top or bottom and the exhaust from the back this would work without the umbrella. or even if he just pointed the leaf blower behind him it would work without the umbrella.
but wouldn't the equal and opposing reaction cause him to stay still.
if the "leaf blower" were a fan that had its suction on the top or bottom and the exhaust from the back this would work without the umbrella. or even if he just pointed the leaf blower behind him it would work without the umbrella.
#22 - alazurus (01/05/2014) [+] (2 replies)
I saw this at first im like:"Wtf, not possible..."



But then i remembered that one mythbusters episode....
#28 - Fwimble ONLINE (01/05/2014) [+] (1 reply)
no
#65 - oceloy (01/05/2014) [+] (1 reply)
#39 - MCmc (01/05/2014) [+] (2 replies)
everyone is saying this, but in intelligent talk:

all the forward force the leaf blower generates into the umbrella is pushing against the guys hand backward. Therefore it cancels out and you move nowhere because force forward = force backward.

for this to work someone else would have to hold the leaf blower and run next to him
User avatar #30 - redrex (01/05/2014) [+] (12 replies)
i'm pretty sure this wouldn't work, but i have no idea how to explain why
User avatar #29 - kingofants ONLINE (01/05/2014) [+] (1 reply)
This would only work if the object causing the force (in this case the leaf blower) were not connected to the mans system i.e. if someone else was running along side
the force from the leaf blower is so small I highly doubt it would propel the man forwards anyway
#86 - lordnakraaz (01/05/2014) [-]
Comment Picture
User avatar #82 - gglai ONLINE (01/05/2014) [+] (1 reply)
Mythbusters Blow your own sail small scale Newtons Third Law - For every action, there is an equal and opposite reaction.
Now, the umbrella can only take so much force, when you have a stong enough leaf blower, it actually bounces off the umbrella to the opposite direction, creating the forwards movement, and thats what i think is happening here. Its also explained at the end of this mythbusters video.
User avatar #73 - AbsentMinded (01/05/2014) [-]
Great Sea Theme 10 Hours - Zelda The Wind Waker This works.
User avatar #68 - minorian (01/05/2014) [+] (3 replies)
Wow, after the fifth time I saw the leafblower.
#66 - makebate (01/05/2014) [-]
i had to watch it 3 times before i noticed he was using a leafblower to get forward......
#56 - ninthismywaifu (01/05/2014) [+] (2 replies)
The umbrella isnt acting as a sail all its doing is redirecting the air coming out of the leaf blower to push you forward. A more effective way to do the same thing would be to take a vacuum hose and attach it to the end of the leaf blower and point it behind you. Or better yet chuck the umbrella and turn the leaf blower 180 degrees.
Go to 2:05 www.youtube.com/watch?v=uKXMTzMQWjo

User avatar #49 - subtard (01/05/2014) [+] (8 replies)
You would be able to go forward like that.
But you'd go faster if you just pointed the leaf blower the other way and ditched the umbrella.
#54 to #51 - subtard (01/05/2014) [-]
Like the other comments said they did it on mythbusters. And even though that isn't usually too scientific, I can't really argue with their results.
I think a fraction of the wind slides back off the curve of the sail and is directed backwards, which would give a net force on the system forwards.
I'm not sure if it'd work if the sail was completely flat and rigid. I'd be really interested in that
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#81 - gglai has deleted their comment [-]
User avatar #31 - dagramcraka (01/05/2014) [-]
it's probably just actually windy and they wanted to make a cool video so....
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#27 - Fwimble has deleted their comment [-]
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