GearSketch

Learning and science

educational simulation

SHOW HN2013

201points
58comments
#73of 1,739 in 2013
Top 5%of 2013 by points

How HN took it

MixedNo clear lean

11 positive, 14 neutral or asking, 4 mixed, 3 critical, out of 32 comments about the project. Thread score +0.26.

Idea: 6 for, 0 againstDesign: 2 for, 1 againstExecution: 1 for, 2 against

The thread, comment by comment

Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.

positive neutral or mixed critical about another commenter or something else the maker

What HN said

What people liked

  • Fun and intuitive to use

    From 3 comments
    • Love this! It's very intuitive and fun to draw gears of different sizes and hook them together. I'd love to be able to make more complex gears. I immediately tried to make a…
      caseorganic on HN
    • I have no real use for this, but that didn't stop me from playing with it for 30 minutes!
      brbcoding on HN
    • I've played a bit on my desktop browser and it's fun! Can't wait to show it to my kids. I've looked for similar things a long time ago and only found Java apps/applets. I like…
      bockris on HN
  • Works well on touchscreens

    From 2 comments
    • I just tried it on Chrome on desktop and it is usable. I think the touch just makes the experience better.
      xutopia on HN
    • Very good experience on the latest iPad. I wish there was a way to delete gears though. Also having the play button toggle pause/play would be nice.
      milesokeefe on HN

Objections

  • Hard to use with a mouse or touchpad

    From 4 comments
    • Great for touchscreen, but tricky with a mouse. I would like to see an option for drawing gears where mouse down sets the center of a new gear and dragging away determines the…
      Sunlis on HN
    • This is cool but I'm learning quite quickly that I'm no good at drawing circles with my mouse, perhaps a bit more forgivness when using the gear drawing tool might make life a…
      canthonytucci on HN
    • Impossible to add the chains with a touchpad.
      instakill on HN
    • Agreed, and some controls that allow you to specify the radius of a gear instead of drawing it would help, too. I spent a long time trying to draw two gears with the same number…
      hamburglar on HN
  • Chains are hard to add

    From 2 comments
    • Impossible to add the chains with a touchpad.
      instakill on HN
    • Same problem on my Galaxy Nexus, I tried all combinations of placing a belt, and it just wouldn't work.
      matthuggins on HN
  • Error on Chrome on Windows 7

    From 1 comment
    • Uncaught TypeError: Type error - gearsketch_main.js:53 Am I the only one getting this? Chrome 28; Windows 7.
      ne0phyte on HN

Requests

  • Draw gears by radius or diameter

    From 3 comments
    • Great for touchscreen, but tricky with a mouse. I would like to see an option for drawing gears where mouse down sets the center of a new gear and dragging away determines the…
      Sunlis on HN
    • Agreed, and some controls that allow you to specify the radius of a gear instead of drawing it would help, too. I spent a long time trying to draw two gears with the same number…
      hamburglar on HN
    • Will probably send a pull request just to be able to draw gears by the diameter or radius instead of the perimeter. can't even draw a square with the clitmouse...
      gcb0 on HN
  • Permalink or save and share configurations

    From 2 comments
    • This is really cool! The ability to save a configuration and share it would be pretty cool, but as well as that, other objects such as sticks which are attached to gears would be…
      basicallydan on HN
    • Please add a permalink feature.
      tantalor on HN
  • Delete gears and pause/play toggle

    From 1 comment
    • Very good experience on the latest iPad. I wish there was a way to delete gears though. Also having the play button toggle pause/play would be nice.
      milesokeefe on HN
  • More gear types such as non-circular gears and involute teeth

    From 2 comments
    • Really enjoy the different take on the interface.. feel like you might be missing something in having modality though, seems like you could combine the actions for drawing a gear…
      nicpottier on HN
    • Very fun! Ideas: - draw involute teeth forms - allow non circular gears - add other linkages - plot force (torque) and velocity (rotational velocity) against time or position…
      yyao on HN
  • Rods and cams

    From 2 comments
    • Rods and cams would be the next logical step.
      tantalor on HN
    • This is really cool! The ability to save a configuration and share it would be pretty cool, but as well as that, other objects such as sticks which are attached to gears would be…
      basicallydan on HN

Questions

  • Why canvas instead of SVG

    From 1 comment
    • This is pretty neat. I've been doing a similar thing lately (rendering arbitrary-sized bicycle chainrings in SVG), so I have gears on the brain. I'm surprised this one uses…
      neckro23 on HN
  • Is there a todo features list

    From 1 comment
    • I've played a bit on my desktop browser and it's fun! Can't wait to show it to my kids. I've looked for similar things a long time ago and only found Java apps/applets. I like…
      bockris on HN

Alternatives named

  • Java applets for gear simulation

    From 1 comment
    • I've played a bit on my desktop browser and it's fun! Can't wait to show it to my kids. I've looked for similar things a long time ago and only found Java apps/applets. I like…
      bockris on HN
  • Geometry construction puzzle app

    From 1 comment
    • Absolutely what I was about to post. For a mouse user, mimicing the circle construction mechanics (with preview!) used in the geometry construction puzzle app that was linked a…
      gknoy on HN
  • Arthur Ganson gear sculptures

    From 2 comments
    • There's an art/science experiment piece on display at the Exploratium (unfortunately I can't remember what it's called) that has a similar construction. The gear at one end is…
      cespare on HN
    • reminds me of Arthur Ganson, artist who sometimes makes homemade gears. Has fun with gear ratios too (I think the machine with concrete will spin 1 revolution in 10000yrs if I…
      acomjean on HN

Category, keywords, summaries and labels on this page were made by AI (Thread Reader v2) and not checked by hand. Each point links to the comments it came from.

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