Recent content by PedalPower

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    Strength of 4x4 3/16' Tubing over span of 20ft with weight spread

    The standard for all of these types of materials used in the weightlifting/boxing world is 1/4" thickness for wall material and for reinforcement plates and gussets. I only know because I recently built some corner mounting brackets for an MMA cage and some reinforcement plates to support them...
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    Has anyone started a business out of college as a mechanical engineer?

    ooooh please let me know about the welding machine... I am hoping you guys are the breakthrough "Cut and Paste" crew I've been praying for...to create a program that will allow you to cut and paste any autocad or solidworks drawing into the computer, and use it to set welds into the frames of...
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    Help Design a Human-Powered Helicopter

    So does your every reply come in the form of cynical metanoia, or can you take a joke?
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    Help Design a Human-Powered Helicopter

    That's funny you say that cause there are numerous pictures of guys "doing it" and also videos, as well as a couple of really heavy looking ones created by the engineers of other helicopter companies, they ended up facing tragic endings before they tried to take off...these were placed on...
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    Help Design a Human-Powered Helicopter

    Maybe we should design it like this ... http://www.clydecaldwell.com/photos/sandiego01/time_machine2.html
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    Help Design a Human-Powered Helicopter

    Thank you for your reassurance...my experience is generally restricted with structural and mechanical engineering skills and the advanced calculus was never mastered by me as far as aerodynamics are concerned. Eventually we can run a test on the foil shape and the props surface areas/angle of...
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    Design a human-powered machine

    I have been very successful with my work bike fabrication and would like to invite you to my web page... [PLAIN]www.pedalpowerbiketaxi.com[/URL] ...to take a look at the opportunities we have created for many to use in the new world of Human Powered Alternative Vehicles. Just hit the Work Bike...
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    Help Design a Human-Powered Helicopter

    Eat only beans for three days before, hook up a gas powered rocket engine under the seat, get the rotors going as a distraction, then ...ignition!...if only they had smileys here!
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    Help Design a Human-Powered Helicopter

    Fly off a dock on a calm day...get it as high as possible, when tired...let off a little...then descend with a little auto rotation and dump in the lake. Fish it out with a boat and find the tag line, attached before lift off, with a tennis ball. But don't make the frame out of balsa wood...