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Paper Airplane Designs (2013)

foldnfly.com

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Re: Paper Airplane Designs (2013)

#31

Post by achow »

pvg wrote: post #21
achow wrote: post #15

Earlier quoted context omitted.

Yes this website keeps popping up in HN. Which makes me to wonder what is the logic for checking a duplicate? I know that dups are checked while submitting a link, but how far in time does it go? If the check is time bound is it due to performance or is it due to belief that after sufficient time gap content inside an identical link could be different?

https://hn.algolia.com/?dateRange=all&page=0&prefix=true&que...

Thanks.

This thread gives some idea about the complexity, but still I'm none the wiser.

https://news.ycombinator.com/item?id=23206417

Re: Paper Airplane Designs (2013)

#32

Post by molszanski »

kqr wrote: post #11

My interest in science started when a friend and I folded a few paper planes, tested them over a small downhill section outside my house, made notes about what worked, tweaked and experimented with new designs, and so on. It blew my little mind that with structured experimentation you could design things that actually got better with each generation. Where would the improvements stop? With hindsight, I realise that m…

I've found "Paperang paper airplane" to be the best. It is pretty hard to fold properly because the margin of error is thin, but it is really a fun one

Re: Paper Airplane Designs (2013)

#33

Post by navane »

mg wrote: post #2

My favorite paper plane is the one that is explained starting at 03:00 here: https://www.youtube.com/watch?v=3BNg4fDJC8A Out of all paper planes I tried, it has the best flying capabilities by far. Form and function really come together in this one. It looks beautifully simple and elegant. And that's also how it flies. When you throw it from a rooftop, you are in for quite a show. It often flies loooong smooth circle…

Wow, after the first two folds, this plane really folds itself.

The first fold is at 22.5 degrees, which makes all further folds have alignment with the base of the plane.

My entire life i was folding a plane that starts with two classic 45 degrees, then a 90 degree fold of the top 2/5th of the paper, again 45 degrees tip, hook in the little triangle. Fold over symmetry line and add wings however you want them. It's quite similar with hooking in the tip (the 04:18 crease), but not nearly as elegant to fold. It is capable of doing a looping, and is otherwise a decent flyer.

Curious about yours though, can't try it out here as I'm in the office.

Re: Paper Airplane Designs (2013)

#34

Post by pvg »

achow wrote: post #31
pvg wrote: post #21

Earlier quoted context omitted.

https://hn.algolia.com/?dateRange=all&page=0&prefix=true&que...

Thanks. This thread gives some idea about the complexity, but still I'm none the wiser. https://news.ycombinator.com/item?id=23206417

The two important things are that duplicates are ok after about a year and most other duplicates get caught by users and moderators if they get past simpler checks. So fundamentally the technical problem of dupe detection is not all that important to the site. There's some annoyance for submitters who feel they miss out on their rightful karma when their submission of something doesn't get traction but I guess they are a small magnanimous fraction of all users.

Re: Paper Airplane Designs (2013)

#35

Post by navane »

mgdlbp wrote: post #25
mg wrote: post #2

My favorite paper plane is the one that is explained starting at 03:00 here: https://www.youtube.com/watch?v=3BNg4fDJC8A Out of all paper planes I tried, it has the best flying capabilities by far. Form and function really come together in this one. It looks beautifully simple and elegant. And that's also how it flies. When you throw it from a rooftop, you are in for quite a show. It often flies loooong smooth circle…

The Nakamura Lock, a schoolyard classic worldwide. It has a name, but no apparent origin; an Eiji Nakamura did publish a book Flying Origami in 1972, but no such plane can be found within. The only source I can find is a Reddit comment stating that the design is named after Nakamura for having invented the type of fold that holds the plane together ( https://redd.it/j2yjsd )

He is not folding the Nakamura lock, as far as my googling goes. The nakamura lock starts with a perfect 90 degrees tip (two 45 degree folds), whereas OP starts with two 22.5 degree folds that don't form a a tip).

Re: Paper Airplane Designs (2013)

#36

Post by kqr »

horsebridge wrote: post #30
kqr wrote: post #11

My interest in science started when a friend and I folded a few paper planes, tested them over a small downhill section outside my house, made notes about what worked, tweaked and experimented with new designs, and so on. It blew my little mind that with structured experimentation you could design things that actually got better with each generation. Where would the improvements stop? With hindsight, I realise that m…

Was it this [1] program? [1] https://archive.org/details/thegpa

Yes! I did not expect that out of this thread! Thank you so much.

Re: Paper Airplane Designs (2013)

#37

Post by scoot »

kqr wrote: post #20
isaacn wrote: post #14

Earlier quoted context omitted.

Link?

This was the YouTube video where I think the person makes the same design as the one I remember: https://m.youtube.com/watch?v=t2sozrof3HY

> I think I've found the design! But it took a blurry YouTube video and some trial and error.

That isn't at all blurry.

Re: Paper Airplane Designs (2013)

#38

Post by yreg »

mod wrote: post #16

In fourth grade we had a paper airplane contest, but they had a restriction on the design: a circle about the size of a quarter was on the page, and no fold or crease could go through the circle. The circle was located a few inches above the exact center of the paper. Anyway I made a "dart", and just offset the angle a little to avoid the circle. It was good, and most of the competition was incredibly bad. And a few…

I was at a math camp where one of the activities was that each team had to design a paper plane and get it to a castle on top of a hill by throwing it the fewest times possible (like in golf). Several teams converged on a design of a crumbled ball of paper as that was what offered the best combination of accuracy and distance.

Since there was no rule against it, we've allowed it. Some of the teams who played with conventional airplanes got furious. (These were all adult people!) Although innitially looking fairly innocent, I believe it ended up as the second most controversial activity we've held.

Re: Paper Airplane Designs (2013)

#39

Post by farmin »

yreg wrote: post #38
mod wrote: post #16

In fourth grade we had a paper airplane contest, but they had a restriction on the design: a circle about the size of a quarter was on the page, and no fold or crease could go through the circle. The circle was located a few inches above the exact center of the paper. Anyway I made a "dart", and just offset the angle a little to avoid the circle. It was good, and most of the competition was incredibly bad. And a few…

I was at a math camp where one of the activities was that each team had to design a paper plane and get it to a castle on top of a hill by throwing it the fewest times possible (like in golf). Several teams converged on a design of a crumbled ball of paper as that was what offered the best combination of accuracy and distance. Since there was no rule against it, we've allowed it. Some of the teams who played with con…

I'll bite. What's the most controversial activity you have held at maths camp?

Re: Paper Airplane Designs (2013)

#40

Post by bdg »

As a kid I had a great book with lots of science experiments in it called "Science Is" (Author: Susan V. Bosak)

It had an entire section on airplanes but there was one that absolutely destroyed my intuition about flight and to this day confuses adults whenever I get the chance to make it (something like a team building event where we need to make paper airplanes).

It's literally two hoops of paper and a stick. Here's a page I found with the design.

https://www.exploratorium.edu/science_explorer/hoopster.html

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