Lnewqban's latest activity
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Lnewqban reacted to Hornbein's post in the thread Impractical 3D gears model for robotics with
Like.
https://newatlas.com/technology/abenics-versatile-active-ball-joint-gear/ They say this could be used as a shoulder joint for robots... -
Lnewqban replied to the thread 2 pulleys 3 masses problems.Welcome! Consider that the y component acting on the middle mass is formed by the addition of two forces. Each end mass should produce...
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Any information we have about those is protected by PF's privacy policy. We would need to get the family's permission to discuss any of...
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I have some solemn news to report. Many in the community had been wondering where the prolific @Vanadium 50 has been. V50 hasn't posted...
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Hand calculating this problem takes several steps. Here is how I would do it. 1) The thin parts are doing all of the deflecting, so...
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Lnewqban reacted to rcgldr's post in the thread I Acceleration on an electric unicycle, how much does the rider have to lean? with Like.
The early ones did Old EUC - SBU With the low foot pegs, the EUC couldn't be tilted much, and combined with the narrow tire couldn't...
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Lnewqban reacted to rcgldr's post in the thread I Acceleration on an electric unicycle, how much does the rider have to lean? with Like.
Just the rate of acceleration or deceleration versus how far offset the riders center of mass from the tire contact patch has to be...
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Lnewqban reacted to rcgldr's post in the thread I Acceleration on an electric unicycle, how much does the rider have to lean? with Like.
EUC stability. When riding at sufficient speed, about 8 mph | 12 kph for most EUCs, they become self-balancing left + right. An...
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Lnewqban reacted to rcgldr's post in the thread I Acceleration on an electric unicycle, how much does the rider have to lean? with Like.
EUCs (Electric unicycles are programmed to remain vertical (or at some user set fixed angle), using accelerometers and gyros, similar to...
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Lnewqban reacted to jbriggs444's post in the thread I Acceleration on an electric unicycle, how much does the rider have to lean? with Like.
I can ride a real unicycle. One cannot spontaneously lean forward. Instead, one pedals slightly back. This moves the contact point...
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Lnewqban reacted to berkeman's post in the thread I Acceleration on an electric unicycle, how much does the rider have to lean? with Like.
Are you interested in the dynamics of maintaining the balance too, or just the overall torque balance numbers? I've never tried riding...
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Lnewqban reacted to renormalize's post in the thread What is this metal insert for in a desk? with Like.
Actually they do hold the wood pieces together. They're called Cam Lock fasteners: (from...
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Lnewqban reacted to anuttarasammyak's post in the thread I Conservation of angular momentum in the iceskater example with Like.
The angular momentum before and after the change in the moment of inertia is conserved: $$M=I_1\omega_1=I_2\omega_2$$ Assuming ##I_1 >...
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Lnewqban replied to the thread I Conservation of angular momentum in the iceskater example.That inwards movement of the limbs reduces the total angular inertia of the ice-skater (the centers of masses of the arms acquire less...
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Lnewqban reacted to timeuser84's post in the thread I Question about the absorption of heat based on color with Like.
This was more than enough knowledge, thank you for the quick responses.
