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BusterHaus

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  1. BusterHaus
    TechnicBricks announced their TechReverse Challenge for 2014. See here for full contest details: http://www.technicbricks.com/2014/11/tbs-techchallenge-2014-reverse-42034.html All submissions must be made before the 24th of November 2014, 10:00 CET. It looks like a good candidate for this challenge.
  2. BusterHaus
    This was very sad. It's a huge loss to the Lego community. My deepest condolences to his family, you have lost a good man.
  3. BusterHaus
    10. Irish Rover Features Independent suspension on 4 wheels All-wheel steering HOG steering Opening doors Adjustable seat Motor (operated by hand) with balanced piston Functional car jack Video [TC5] Thread
  4. BusterHaus
    I suppose I could have changed the other thread, but it would mean chasing a mod to change the post title and having posts referencing the old model in the same thread. It seemed less confusing this way.
  5. BusterHaus
    I think you nailed it. For someone who wants to play around with Mindstorms, NXT is a very good choice. If you have little or no experience with programming, get the cheaper option. It's still quite powerful and will offer you lots of challenges.
  6. BusterHaus
    Notes This project started off as a Baja Racer, but turned into something that I find much nicer. Sturdy, agile and fun to play with. It's a combination of the 9392 Quad Bike and the 42021 Snowmobile. Features Independent suspension on 4 wheels All-wheel steering HOG steering Opening doors Adjustable seat Motor (operated by hand) with balanced piston Functional car jack Aesthetic elements Headlights Auxiliary lights Steering wheel Dash-mounted gear shifter (right of the steering wheel) Air filter Exhaust pipes Video
  7. BusterHaus
    This turned out fantastic. My concern about the leg connectors slipping out turned out to be invalid because I thought the feet would lift off the ground, which is not the case. The amount of functions is incredible for the weight. I really like the colour scheme, too. Are you planning on making improvements to the stability?
  8. BusterHaus
    Great job, although the 75% efficiency will limit sales. :)
  9. BusterHaus
    Well done. I like the steering, makes it look like a real motorcycle. How come you switched the front tire from a balloon profile to a flat profile?
  10. BusterHaus
    I like this concept quite a bit. Can't wait to see the finished product.
  11. BusterHaus
    This is great! I love his strung-out eyes.
  12. BusterHaus
    Thank you to everyone for the kind words. By the way, I also managed to build a small accessory for this car. I'll take a picture of it tonight. Thanks Jim. I moved the picture to the main post. Since we can't delete posts I'll use the second post as a change log. I think the engine could be placed behind the rear wheels, but most of the car, including the steering mechanism, would have to be rebuilt. I think the HOG stering would end up on the front of the car, making it look a bit odd. I think it would also shorten the wheelbase even more. There are compromises with each solution.
  13. BusterHaus
    Change log: - Added description and nicer pictures. - Moved leftover parts to main post. - Added car jack picture. - Moved description to [TC5] Irish Rover
  14. BusterHaus
    Hi everyone, Last night I finished building my entry into the TC5 contest. It's a Baja SAE racer, with a few improvements. It combines the 9392 Quad Bike and the 42021 Snowmobile. If you're not familiar with this type of car, here's a picture of one in action: And here's the Technic version - with a matching number: Bonus accessory - Car Jack Leftover parts:
  15. BusterHaus
    Excellent! Now put him on a street corner with a tip jar and make him earn you cash. Batteries aren't free.
  16. BusterHaus
    Is the PF Motor Set (8293) allowed? Also, the set numbers are mixed up for the 2nd place. 42029 is the customized truck.
  17. BusterHaus
    You don't need higher voltage. Are you plugging in your transformer jack directly into the TCC? Are the size and polarity correct? Is it hard-wired to the battery terminals? If yes, are you matching the polarity? More info will help us help you.
  18. BusterHaus
    Congratulations to the winners and great job everyone else. This was very fun to watch.
  19. BusterHaus
    First time I see two servos used for steering, it's a neat solution. How's the steering without differentials?
  20. BusterHaus
    I picked up the speed computer a week ago but haven't had much time to play with it yet. I noticed that its precision is not great: it counts in rpm in increments of 10, so if you're measuring slow rpm you won't have much success (maybe it's adjustable?). It has a few big advantages over other tachometers: it's very light, so you can mount it on a vehicle and not affect its performance. The hole through which the axle passes is not very tight, so you won't add resistance to the mechanism. It also turns with minimal resistance, so you don't have to drive extra mass, losing power. Calculators are great for finding the maximum theoretical rpm, but don't take into account friction, flex in the mechanism, and other factors that affect performance. If you have a Mindstorms set you can build one using the colour sensor. It would be pretty accurate, but rather bulky. Best used on stationary MOCs.
  21. BusterHaus
    Since it's for kids, keep it very simple. You can show how to turn a touch sensor into an on/off switch. Have them build a small windmill or something. For the colour sensor, have them hold up a brick to the sensor and the screen can display the name of the colour. Ultrasound sensor can be used to make an alarm system - when it sends a signal, have the controller brick play sounds. Fourth week can have a master-slave servo demo, where one motor gets its position info from another motor. Don't forget that the encoder in each motor is also a sensor. I'd focus on the programming more than the building. Explain inputs, outputs, list lots of possible applications. You want to show a proof of concept, not a final (and specific) application.
  22. BusterHaus
    The Z axis looks quite strong because of the 4 links, it's the lateral strength that's a bit of a concern to me. I guess this will get answered once you build it.
  23. BusterHaus
    I'm pretty sure the 3L half beams (marked with orange arrows) will have too much stress applied to them, especially if you are planning to add battery boxes and 5 more motors on top. They'll either flex the axle or slip off it. From my experience there the joints on large bipeds require a lot of reinforcement. The alternative is to build as light as possible, which limits the number of functions you can have.
  24. BusterHaus
    Are you building one robot over the course of 4 weeks, or a different robot each week in 1 hour?
  25. BusterHaus
    10:10 5:6 8:4 2:3 7:2 3:1
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