Trying to make traffic lights! | Community

23 Sep.,2024

 

Trying to make traffic lights! | Community

Grayson Absolutely not.  I have that drill.  I know you're trying to save money, but to do the kind of detail work we do, drill out lamp posts the the like, you will need to spend at least $250 on a drill press.  Why?  Because you need one with a truly variable speed.  95% of the drill presses out there use belts to "control" the speed, but in fact these are made for drilling wood and other hard materials.  To drill plastic, you need a variable speed drill that will allow you to bring the rotation down to almost zero.  For this you will need to look for a speed DIAL, not belts.  Power is not the thing-- control is.  And using a drill press like that is like trying to carve a statue using a machine gun.  It's the wrong tool, period.

If you are looking for more details, kindly visit our website.

Sorry but I'm very opinionated about this.  I have more than 5 drill presses and have gone through thousands of pieces of broken LEGO over the years.  If you really want to do this work yourself, buy the right drill.  You will not be able to do the work you want to do without it-- trust me.

LED Headlight Cost Analysis - Fuel Economy, Hypermiling ...

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LED Headlight Cost Analysis

OK, today I will do the math to know if changing headlights for LED is worthy
I will take my car as an example, a Toyota Matrix

Low beam model : from factory they consume 50watt each
Same model in LED they consume 4.5watt each and are $24.95 + $15shipping(estimate)

You save 91watt/hour if you put those light and drive for 1 hour

1 Liter of gas contain: watt/hrs.
An ICE (Internal combustion engine) is only 20% efficient so each litre of gas give watt/hrs of moving energy

An alternator is only efficient at around 50%
So you need 1 litre of gas if you want to draw 890 watt/hrs of electricity,

With the LED headlight it need 890/91 = 9.78 hrs of driving to save 1 liter of gas.

On my GPS I have the information on my average speed on the last km. My average speed was 68.5km/h

68.5Km/h*9.78h = 669.93Km, let&#;s call it 670Km So it take me 670km of driving to save 1 liter of gas if I put those LED light.
Or I bring down my consumption down of 0.15Liter/100km

In Canada Ontario (where I live), the Gas is at $1,20/liter
Total cost of light + shipping is approximately $65
$65 = 54.16liter of gas

670Km/1L * 54.16L = Km
I will break even after Km (miles) or approx 1 year of driving.

Is it worth it? - Kind of ..
Oh, its Km of driving with day light, you have to buy another set if you want to drive at night. High beam is the model . it&#;s the same price as the . So double the initial price and double the distance.

My car is still new; it may be worth it to change now if I plan on driving the same car for 250,000+Km but don't think that those LED will save you money rapidly.

Let me know what you think of it.

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