Monthly Archives: July 2018

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Series A, B, C, Convertibles, Safes, etc

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Here’s a really good document describing the different series and the various paybacks you have to give to your investors for each round:

https://blog.ycombinator.com/how-to-raise-a-seed-round/

Here is a lighter document describing the purpose of each investment round with respect to what the company should be doing:

http://www.startupfreak.com/what-does-series-a-series-b-series-c-funding-mean-in-startups/

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Bikes and Gears

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A really good cheat sheet for what gear to be on a bike (depending if you’re on a flat, downhill or uphill road):

https://www.bicycling.com/training/a20004265/how-to-shift/

Basically from that site, you learn that:

  • The front most gears are called the “higher” gears
    • Remember to alway picture this: the front gears at the pedal is the largest gear while the front gear at the back wheel is the smallest gear
  • It is easier to pedal when you are in the lowest gears. Here is why:
    • “To get a good picture of how this works, imagine you’re going up a hill. No matter what gear you’re in, you’ll have to travel the same distance and ultimately use the same amount of net force, but by shifting into a lower gear, you can make it up a lot easier. When you’re in a low gear, the wheel only turns a short distance for each rotation of the pedals. This way, the force that you need to move a few centimeters forward on the road is spread over the entire turn of the pedals, making it very easy to concentrate a lot of force into a short distance.”
      • http://physicsbuzz.physicscentral.com/2009/01/howd-they-do-that-tuesday-physics-of.html
        • The key part to visualizing this is to remember that for gear ratios, the velocity of gears in contact MUST be the same. So if the gear at the pedal is at the smallest gear, and the gear at the back wheel is at the largest (aka lowest gear), it makes sense that when you will be completing a circle at the front wheel, the back largest gear will only have rotated a fraction of a complete rotation
          • https://en.m.wikipedia.org/wiki/Gear_train