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zlessard last won the day on September 15 2015

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About zlessard

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  1. Launch Time: 10:53 AM EST, May 25th 2016 Team Members Present: Varg and ard Play-by-Play: The rocket launched without issue. It continually accelerated with the help of the first engine up to the point of 52,000 meters, when that tank ran out of fuel and was decoupled. This was higher than it was expected to be at this point, which gave us extra fuel to utilize for the rest of our flight. The rocket then was accelerated until it reached the point of 70,000 meters, when the throttle was cut off and the rocket was given an angle. This was done in order to get the rocket into orbit. Thi
  2. Team Name: Vargard conglomerates Available Funds: 108,697 Vehicle Name: Vargard Quatro Vehicle Parts List and Cost: mk1 command pod, mk16 parachute, TR-18A stack decoupler x3, radiator panel x4, Fl-T100 fuel tank, LV-909 "terrier" liquid fuel engine, FL-T400 fuel tank x5, LV-T45 "swivel" LFE, rockomax brand adapter, rockomax X200-32 fuel tank, RE-M5 "mainsail" LFE total cost: 28,922 Design Goals: Our vehicle is designed to reach orbit through a series of stages that are planned out in order to maximize height and minimize danger for Jebediah. The rocket is designed to
  3. Team Name: Vargard Conglomerates Available Funds: $102,818 Vehicle Name: Vargard Tres Vehicle Parts List and Cost: mk16 parachute, mk1 command pod, Tr-18A stack decoupler, FL-T400 fuel tank x8, LGV-909 "terrier" liquid fuel engine, Aerodynamic nose cone x6, TT-38k radial decoupler x6, LV-T30 "reliant: liquid fuel engine x6 total cost: $18,242 Design Goals: Our rocket is designed to go off in 3 stages that allow it to reach the maximum height possible and drop weight when necessary Launch Goal: Our only goal is to reach 50 km and return to the ground safely. P
  4. Launch Time: 6 minutes and 15 seconds. Team Members Present: Varg and ard Play-by-Play: Rocket launched into the air without issue. Break number 1 occurred at about the 7300 meter point. At that point, the seconds engine worked until it ran out of fuel at a height of 13700 meters. Once we dropped this, there were no other forms of man made acceleration and the rocket decelerated until it reached it's maximum height of 28 km. The rocket began free falling until the parachute was deployed at about 4400 meters. The vessel then landed on the ground safely. Photographs:
  5. Launch Time: 5 minutes 27 seconds Team Members Present: Varg and ard were both present for the launch. Play-by-Play: Rocket launched without issue, continued to accelerate up to about 4000 m, at that point the liquid fuel supply ran out and the rocket began to decelerate. Due to this, we dropped the fuel tank and engine from the rocket in order to decelerate the deceleration. Rocket continued to slow until it reached its maximum height of 6981 meters. It began to plummet. At about 4500 meters, we deployed the parachute in order to hopefully ensure a safe landing. A few minutes later,
  6. First Pre-launch Report Team Name: Vargard Conglomerates Available Funds: $100,000 Vehicle Name: Vargard Dos Vehicle Parts List and Cost: Mk1 command pod, Mk16 parachute, TR-18A stack decoupler, FL-T100 fuel tank, LV-909 "terrier" liquid fuel engine total cost: $1,962 Design Goals: Our rocket is designed to launch to a decent height and return to the ground safely Launch Goal: Our launch goal is to get to at least 10km, and return to the ground with our kerbal safe and sound. Pilot Plan: Our plan for the pilot is to survive. Illustrations:
  7. zlessard

    The Big 3-0

    I Googled "how much force is in a single keystroke" and I'm going to trust a source that says 12.9 N. This will help me in my overall (obviously hypothetical) analysis. Since this is my final blog post of the year I wanted to sort of wrap it up as well as possible and somehow tie in all of my other blogs. Using an online "character counter", I found out that there are a combined 50,015 characters across my 29 other blog posts, which have an array of topics ranging from pole vaulting to doomsday to Monte Alban. Not accounting for any backspacing, 50,015 is an accurate count of all of the c
  8. zlessard


    Last night, I watched a 30/30 (which is an ESPN documentary series that I would recommend to anybody) about the Orlando Magic, and one of the focal points of the documentary was Shaquille O'Neal, who was my favorite athlete in the world when I was a lad. If you've never heard of Shaq, he is a 7'1, 300+ lb basketball player. He was a force on the basketball court, for opponents and backboards alike. Throughout the documentary, dozens of clips were shown of Shaq shattering the glass on backboards or pulling down the hoop entirely, all of which occurred during games. This feat cannot be performed
  9. zlessard

    Rob de Federer

    Not too long ago, I went to play some tennis against a friend of mine. Long story short, I won 6-2 despite the fact that he's a starter on the tennis team. What truly led me to my commanding victory was my dominant forehand and my supernatural ability to get on top of the ball. I even surprised myself with my ability to get topspin on the ball and still get it to go over the net. This inspired me to look deeper at the physics of the forehand. The spin on the ball is applied by sort of "brushing" the ball rather than hitting it dead on. The racket also must be tilted at an angle in order for th
  10. Yesterday I was talking with my friends and we started talking about pitching, as I used to be a pitcher myself prior to this year. We ended up discussing how the way softball pitchers throw does much less damage to your arm than the way a baseball pitcher throws. Because of this, softball pitchers are able to throw every game, while baseball pitchers throw once every 5 days or so, and I definitely understand how much a shoulder can hurt in the days following a pitching outing. It really made me wonder why throwing the ball overhand is so much worse for the body than underhand, so I wanted to
  11. zlessard


    Sticking with the theme of natural disasters following my post on tsunamis, I decided to look deeper into the physics of one of the most frightening disasters: a hurricane. Starting off simply, a severe hurricane can have a power of 1x10^15 watts. To put that in perspective, that is about 3000 times the total electrical power generated in the entire world. Looking more at what happens physically, a hurricane starts when air rushes in to fill a low pressure system somewhere out over the ocean. As the air rushes in, the moisture in it condenses, which causes a release of energy which i
  12. zlessard

    Pole Vaulting

    As a fan of the Olympics, I often find myself watching the track and field events whenever the summer Olympics comes around. One event that particularly fascinates me is the pole vault. It seems like such a tremendous skill to pull off and I honestly wonder how people do it. If you haven't seen it, basically a competitor runs at full speed with a large pole in their hands, and once they reach a certain point they stab the pole in the ground and attempt to physics themselves over a bar set high up in the air. In short, the kinetic energy (1/2mv^2) of the individual in sprint is converted to gra
  13. zlessard


    Whether throwing the Frisbee around at the beach or playing a riveting game of Kan Jam, I assume most people have used a Frisbee over the course of their lives. Thinking about it more deeply, I wondered to myself how these discs are able to fly so far, and more significantly to me, how are people able to throw them in straight lines? While flying through the air, Frisbees are impacted by both drag and lift forces, similar to how a wing or propeller would be influenced. The most important factor in a Frisbee's flight is the spin of the disc. Without this, the Frisbee would simply flutter t
  14. zlessard

    Jordan Spieth

    For anyone that has followed golf recently, you have likely heard about Jordan Spieth's collapse this weekend at The Master's. Spieth went from having a 5 stroke lead to being 3 strokes behind, all within the course of an hour. The biggest blow came on the par-3 12th hole, in which Spieth shot a 7 and hit the water hazard twice. In watching this, you would notice that on the first stroke that went into the water, Spieth contacted the ball too far below the center of mass, causing it to go further in the air and shorter distance wise, leading to it contacting a slope. After hitting this slope,
  15. zlessard


    Everyone has heard about a tsunami, whether that be the one that hit Japan not too long ago or some other instance. Regardless of how you've heard of these water monsters, I was interested to find out more about the physics behind these. Tsunamis are basically a massive scale version of the waves that we've studied throughout our physics experiences. Rather than wavelengths in centimeters and periods measured in seconds, the waves of tsunamis are measured in kilometers and their periods are measured in hours. Their wavelengths have been measured to be as large as 500 km. Interestingly eno
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