The two riders are positioned on the bicycle back to back. A differential unit is mounted on a recumbent tandem bicycle in order to allow 2 different inexperienced riders to enjoy and even race together...the whole unit was designed by students for their capstone project. There were two teams for this project where one team was in charge of structural frame design while another team was in charge of designing the drive-train system. The current prototype uses the differential unit as a power combining mechanism to transmit two inputs to one output and is mounted on pillow-box bearings and has two input sprockets that are fixed to the input shafts, as a result for this current configuration in order to apply the force the riders must keep their feet on the pedals at all times.. to alleviate this problem a possible solution is to use a backstopping freewheel instead of the pillow-box bearings while the two input sprockets are also changed to freewheels that only apply the force in one direction...also the current setup requires the rear driver to pedal backwards unless a reversing mechanism such as two gears are implemented as well for one possible solution. thank you for checking out the project........ :-)
Saturday, December 31, 2011
Thursday, December 15, 2011
TerraTrike Tandem Recumbent Trike
!±8±TerraTrike Tandem Recumbent Trike
Brand : TerraTrikeRate :
Price :
Post Date : Dec 15, 2011 20:20:20
Usually ships in 3-5 weeks
A tricycle built for two? You bet!
The TerraTrike Tandem is a great solution for those looking to ride with a companion. The frame coupling system separates the trike into 2 pieces to allow for easy transport and optional independent pedaling system (IPS) lets one person pedal while the other coasts. With this setup, you don't need to have perfect coordination with your partner to have a smooth ride. And if you want to stop pedaling and make your partner do all the work, this is definitely the system for you.
Never has a leisurely bike ride with your companion been so much fun. Pedal in comfort and turn heads, all while getting great exercise. The Tandem is built solid to withstand long distance rides and handles smoothly to allow for a riding experience like no other. You will laugh yourself silly as you fly down the bike paths at incredible speeds.
Friday, December 9, 2011
The Flaw of Air Alert and Why Today I Only Use The Jump Manual
I've never been happy with my vertical jump height, but I've heard a lot of good things about two programs called The Jump Manual and Air Alert, so I looked into it. Air Alert promises to increase your jump height by 8 to 14 inches. The Jump Manual doesn't mention a specific height, but it does say that certain athletes who have used the program have gotten from 10 to 25 inches higher. It appears as if Air Alert is based on a formula that delivers the same results for everyone who uses it, while The Jump Manual is geared toward your specific potential. The latter also seems more personal, since the creator offers individualized email training and has even set up forums where people also going through the program can chat and exchange ideas.
The guy who devised The Jump Manual has lots of experience trying out different methods of improving his own vertical jump height. He tried strength shoes, stair running, college programs, Air Alert, and pretty much everything else out there before doing the research to come up with Jump Manual. He wasn't satisfied with the segmented approach other programs took, so he used his own experience and knowledge about all the aspects involved with increasing the height of your jump shot.
Air Alert doesn't mention nutrition at all, and mostly focuses on different repetitive muscle exercises. Jump Manual has a whole section devoted to nutrition, including a guide. While the creator is not a nutritionist or dietitian, he has researched his points thoroughly, and the program has been positively reviewed by physicians. Jump Manual allows for the fact that nutrition equals health, and health in turn is a significant part of muscle strength and quickness. Without good nutrition, all the training in the world won't be able to get an athlete to his or her full potential, and Jump Manual creator takes this into account.
A core point of The Jump Manual is that strength, quickness, and your brain need to be involved in any jump to increase its height in what the creator of the Manual calls a "height-reaching explosion." The idea is that if you're thinking about applying strength and speed during the same muscle contraction, you will achieve the greatest amount of height during your jump. Air Alert emphasizes training, but more of the endurance aspect. Repetitive training might add a few inches to your vertical jump, but the thoughtful, quality training The Jump Program endorses seems more likely to help you explore your full potential, as opposed to limit you to a preset improvement.
The thing I like most about The Jump Program is that it seems to be based on a holistic approach, focusing not simply on muscle exercises, but nine different variables - fuel, form, stamina, flexibility, and balance, for starters. It also includes the nutritional aspect of priming your body to achieve a higher jump, which Air Alert fails to mention at all. Air Alert seems stuck on what it terms "Habitual Jump Training," which is supposed to strengthen your tendons, ligaments, buttocks, calves, and thighs with moves like the "kangaroo effect."Air Alert and The Manual both make you take training to another level, but The Jump Program encourages low repetitions with more intensity. The entire program focuses more on quality over quantity. Since I'd rather use my brain and my body in tandem than just my body, I'm going with The Jump Manual.
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