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How to transfer rotational energy into lateral energy only when rotating one way?

Is there a general way to convert rotational energy from a gear or something into lateral motion toward or away from the gear? I could use a piston type construction, but I only want the lateral motion to be in effect when the rotation just…
ruckus
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Diesel Cycle Vs. Otto cycle

Why is the heat addition process in otto cycle assumed constant volume while in diesel cycle it is considered constant pressure?
mehran
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Why Ceramic Capacitors Are Not Rated Directly Like Electrolytic Ones?

I want to know why ceramic or disk capacitors are not rated directly like electrolyte ones? Is it just a convention or some other reason is behind this? Like, the ceramic ones are rated as 762k. then the value of the capacitance is 7600pF. (7-1st…
Dwiparna Datta
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Does opening a tap in a sink affect the radial speed of the water around the jet?

Does the speed of the water flowing radially outwards from a water jet impacting a sink depend on how far the tap is opened? At the moment, I understand that the maximum velocity of the water in the vertical jet is constant regardless of how far the…
MadCommy
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Why design a cable stayed bridge with pylons inclined towards the obstacle being spanned?

Here's a YouTube video with a concept of a bridge which is currently under construction in Saint Petersburg. The bridge largest span is cable stayed and designed to drive traffic over the Neva river fairway. The largest span rests on two pylons…
sharptooth
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Finding the pull-through capacity of a nutted bolt and washer in ASA plastic

I have a uniform load applied to the underside of a plastic sheet which is to be resisted by the combination of a bolt, washer, and nut as depicted below (the other end of the bolt is secured and will not budge). The thickness of the Luran S 777k…
Rick
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Relationship between wind velocity, turbine rotor diameter, and power output

I'm trying to understand and identify the equations to use in defining the relationship between wind velocity, turbine rotor diameter, and power output for a wind turbine. To simplify my question, let's use the following assumptions: Average wind…
Dwiparna Datta
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Why is this box girder made of lattice on one side only?

Here's a zoomed piece of this image from Wikipedia That's a close-up of a tower holding a railroad bridge. A and B are two of the four columns in the tower's corners. I assume that they are placed symmetrically, so arrow B points onto the typical…
sharptooth
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Printable and reusable whiteboard material

I'm trying to find a material suitable to be printed and with the properties of whiteboard, easy to clean and reusable. I'm having difficulties to find alternative materials, or providers. As far as I know magic whiteboard is an alternative but it…
Kevin Mamaqi
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How is the shift map of an automatic transmission constructed?

Figure 2 in this tutorial represents the shift map/schedule of an automatic transmission. How is this map constructed? I want to know how to design a shift map myself for another transmission. The shift map is below:
Karlo
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What is the difference between an automatic transmission and an automated manual transmission?

What is the difference between an automatic transmission (AT) and an automated manual transmission (AMT)?
Karlo
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How does the DERIVATIVE term slow down the signal?

I look at PID controler and do not understand derivatve term. I know it's used in order to not let the signal to overshoot the set value. BUT when the sigal is arising, its derivative is positive. So when we add the positive derivative term, the…
mnj
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UV resistance of UV cured photopolymers

I can't find anything on this. Every source I can find on UV cured polymers describe the process and how they're cured using UV radiation but nothing on what the resistance to UV is once it has cured. Specifically I'm looking at the Stratasys…
pulse89
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How can I set an upper limit on mass imbalance in Fluent?

I studied a paper about simulation of turbines using Fluent that included the following sentence, which I don't understand: All converged solutions had a mass imbalance of less than 0.3% What does the mass imbalance of converged solutions…
user19061
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What level of vibration testing should I perform on my product?

I'm trying to determine a level of vibration testing I should perform on my product. I understand electrical stress/life testing and I'm looking for a mechanical equivalent. I have a DC motor running in my application that generates a certain level…
Captain Barnacles
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