Bikes Cars and Boats » Engineering

Who is the Solar Panel Company in the documentary: Who Killed the Electric Car?

admin — Fri, 22 Apr 2011 06:38:12 +0000

W asked: I am doing some research on flexible solar panels, for school, and I remembered that the company in the documentary produced, but I cannot remember, for the life of me, the company from Who killed the Electric Car?

Any help is very appreciated. Thanks!

How much installed solar capacity is needed to completely power a 100% electric car ?

admin — Fri, 03 Dec 2010 02:38:22 +0000

Schiff G asked: Assuming the solar panels are not connected to the power grid, and assuming an average number of miles traveled per year (say 12,000), and without discussing battery, motor, range or other issues – but assuming it’s 100% electric (not a hybrid), and assuming plenty of sun location, how many watts of installed [...]

How can you calculate water pump capacity for a jet boat?

admin — Sun, 14 Nov 2010 20:51:41 +0000

Ste P asked: I need to know how many litres per minute a jet boat pump is outputting. I know that the outlet diameter is 28mm and the thrust is 5kg. Power source is 2×7.2V 3300mAh batteries.

How do I build a small electric car?

admin — Thu, 05 Aug 2010 20:55:51 +0000

Bibis asked: Step by step instructions If you own a book called Electric Gadgets and Gizmos, could you please write down the intructions on how to build the electric car in the book? Small as in one foot, like a toy car.

How much electricity does an electric car require?

admin — Tue, 06 Jul 2010 15:16:33 +0000

Satch_IP asked: How much electricity does an electric car require each day to charge its batteries? Hence how much extra electricity capacity must be added nation wide to switch to electric transportation?

How to find heat transfer in an electric car?

admin — Mon, 28 Jun 2010 11:55:09 +0000

Mike asked: I am doing a project on the Tesla Roadster and I need help on how to find the heat transfer in the electric car. How can I calculate the heat transfer in the Tesla Roadster?

Physics class electric car project: How do I increase torque?

admin — Fri, 29 Jan 2010 20:24:45 +0000

asdasd asked: Okay, so I have to make an electric car using a 3V motor and 2 AA batteries. I have everything connected, and when I have the car not touching the ground, the wheels spin, but when it hits the floor, it stops spinning. How do I increase torque to make it move?

How many ways can a car generate its own electricity as it travels?

admin — Sun, 21 Jun 2009 04:02:09 +0000

ron j asked: lets say a car is traveling from New Youk to Los Angeles. YOu are assigned to design this car so that it makes it to Los Angeles. YOu are only allowed 10 gallon tank of gas to start and thats the only gas you are allowed to have for the entire trip.

Your [...]

How does the switch on my bike light work?

admin — Thu, 01 Jan 2009 23:49:29 +0000

Stanleymonkey asked: I have an LED headlight on my bike. If I press the switch once it lights up. If I press it again, it starts flashing – when I press it again it goes off.

How does that switch work? Does it use transistors in a speciall circuit – or is it something else?