Power Wheels Gets A Dose Of Awesome Ezb, Makeover , Motor Mods , Camera , Real

jstarne1

USA
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Hey Community , i really don't do enough fun projects. As you may notice many of my projects have a utility function. Squeegee mops, jarvis vacuums, smart marine fish tank is... well smart lol. So this is just for fun and I hope others enjoy it. I have already contemplated using it as a demonstration tool to get kids interested in technology. . Dang it! This is just for fun , ok I'll try not to get to serious with this. My friend Marty was talking about being able to drive the power wheels around while his kid was in it around the neighborhood. Or if his kid was driving and got to far he's just a button click away from stopping it. We found a free power wheels that had seen some rough years and we gave it a complete makeover. It looks better than new, new Gel cells from power sonic , smart charging and more. I gave it a cool high grass stripe camo.pattern and gave it to his son for his birthday. I'll post a couple pics. He's on the fence about doing the further mods so i searched craigslist.org for another power wheels that had been loved a little too hard. Searching for something with space and power I wanted I set my heart on a f150 , Toyota 4x or jeep 4x4. I didn't find a 4x4 model but f150 was the next best as it had dual gearboxes with rs585 motors. Also a good gel battery and charger was included. Here come some pics...

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#1  
Here is Marty's Power wheels , before and after. He's on the fence about doing the mods but I'm betting that doing the f150 will make him want to finish it. He he he.
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Electrical needed some love. Take it from 6 volt standard to dual 12 volt gel cell power sonic batteries. Turnigy XT 60 gold connectors were soldered onto 12 guage wire and covered in heatshrink.


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Ok so here's a sneak at marty's machine, I will update this thread when we start adding electronic hardware like motors controllers ect.
#2  
Ok here is mine, the Power wheels F150 series donor from Craigslist.org. I paid a hefty $40 and had to pick it up in my hatch back.
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Yup I'm pretty sure we are gonna ignore that warning , safety first! .... well ok maybe second.
#3  
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Something I realized is that the fake headlights and fog lights looked very convincing. I held a flashlight bulb in the reflector and found they worked pretty much like a standard round headlight. So while I had them out I'm drilling holes in all the reflectors so i can fit 300 lumen led. Led 1891 bannet socket bulbs. Just for testing I have some 25 lumen standard filament bulbs. Because I already know I can mod one of my cams to see excellent at night I am tempted to find a reasonable location for IR Illuminated strip or circle. So with one button press I can go dark and run around with very little light. This sounds like fun. The tail lights also look like they could be functional. It will never be a road vehicle but being able to turn the running lights on will make it easier to see if it gets out of sight or stuck and needs some manual assistance.
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#4  
Here are some specs for the 1/4 scale F150

maximum recommended rider weight 130 pounds

1 Year manufacturer bumper to bumper warranty and box dimensions are: 35.875 x 29.875 x 51.5; weight: 92.1 lbs

The vehicle drives 2.5 and 5mph forward and 2.5 mph in reverse

Dual Independent DC motors with gearbox on a solid galvanized steel axle in the rear

Front Rack style steering with galvanized steel spindles and steel tie rods.


Background of Power wheels modifications and competitions

I will also be posting the Power wheels awesomeness on a power wheels forum. Apparently its a lucrative hobby. Maybe people mods these things for competition, racing and even just for fun at car shows. I have seen many RC versions so EZ robot can bring a different angle to this "sport".

There are even clubs and competitions where power wheels are modded to be controlled from a computer and have a "gun" mounted on them to play a sort of laser tag with other competitors. Two man teams with one driver and a gunner portray a scenario of driving a HALO Warthog ATV. If anyone already didn't know HALO is a popular video game that has spanned more than 6 game releases for Xbox branded consoles worldwide.

Makerfaire Detroit has modified races
http://makezine.com/2010/03/26/power-wheels-racing-competition-at/

Generator Stalwarts
http://ithacagenerator.org/generator-stalwarts-to-compete-in-power-wheels-competition/

http://jalopnik.com/5601754/power-wheels-racing-fat-men-on-souped+up-toy-cars

http://ecomodder.com/forum/showthread.php/modified-powerwheels-racing-fun-12957.html
(by the way there is a banner at the bottom of this website for Ez Robot, first ad i have seen)
#5  
http://mods-n-hacks.wonderhowto.com/inspiration/mod-your-power-wheels-into-wifi-halo-warthogs-0113812/

http://www.youtube.com/watch?v=sJDjQKR0kpg

PDC09 Makerspace coding for fun

I thought this was cool, we already have two, now im wondering if there are any maker spaces or hacker spaces have modded Power wheels they can operate remotly. It also would be cool to try to do some point a to point b autonomy but lets get it manually controlled remotly though wifi and then we will go from there:)
Synthiam
#133  
I've never worked with fiber glass before, looks like messy business:) I think I'd like to try one day.

I really like the idea of keeping the underside protected like that, not only will it offer strong protection but it looks professional as well.
#135  
Now that underside fiberglass is done , now the power wheels has a "frame". I made it to be removable but at the moment it is tightly adhered to the bottom. A bit of prying carefully will pop it loose. One continous piece front to back makes the body rigid whereas it was very flimsy before. I'm doing as little modification to the actual car as possible though so I can still refer to it as a "power wheels" ride on toy. The steering must be hooked up and I have two servos to use. Now I am cutting a template for the actual servo gearbox mount, it must be as close to the steering arm as possible. This is so that the tip of the 3 inch aluminum servo arm is centered over the middle of the steering arm.
#137  
Ok , so now comes the difficult parts. Actually installing equipment in a functional manor. The most important part is the generator but I believe I will remove the original gas tank in exchange for a custom round one.
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I pulled out the sawzaw ryobi and cut out the center console as it will never hold a drink for a 5 yr old agian! More importantly it will give a good low center spot for the 63cc generator.
#139  
You see the 900 watt battery backup and uninterruptable power supply. I had to test it with the generator and it appears to do its job. The generator produces messy power. I read 129 volts without a load at 60 hz , passing into this power scrubber I get a simulated sine wave output at 120 volts 60 hz. This is much safer for sensitive electronics. I love that this unit from Cyberpower has built in meters for every piece of data related to power consumption. Total watts input , hertz input, voltage input, battery level, battery load , estimated runtime, voltage out, hertz out, watts/amps out ect.
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Synthiam
#140  
Oh man, this thing is looking better and better each day!
#141  
Thanks man! It is coming together , I really wish I kept on it over winter. It would be rolling by now! I bought a Corsair 600 watt psu to hack as a 120v to 12v volt bronze class high amp switching supply for the h bridge , servos and drive motors.
#142  
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OK , here is the switching power supply that brings the 120 volt down to a manageable 12 volts to work with. I imagine I will be hacking most of this wiring harness off unless I install a desktop style PC in this thing...... not happening lol.
#143  
OK so after testing the generator inside the bottom of the car I don't like two things. Number one is it will shift weight to about 60 percent front 40 back. Second is I believe I will kill the generator without open airflow. So that being said I abandoned putting the generator low in the truck. Instead I will mount it in the "truck bed" area and make sure there are a few inches of open airspace all the way around the unit. I am building a wood frame and there will be 2.5 inch holes drilled for the rubber feet. This way the generator cannot slide around, but still keeps all the vibration dampening it was designed for.
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#144  
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This pic shows measurement's for a replacement fuel tank intended for a 4000 watt generator. It is a 5 gallon tank with petcock valve. The top has a vent and fuel guage as well. Given the comparison of the existing tank the new larger one could fuel the generator at 1/2 load 400 watts for 50 hours continously.

I believe I will completely unbolt the existing one and mount this one over the top instead.

As you can see there is a great deal of open space. Obviously there will be a single cord wrapping around to the front. I could hard wire the 110v but the obvious ability to unplug it gives me a manual safety feature to disconnect from the generator.
Germany
#145  
A car for a robot is a very nice to have ;-) Thumbs up!

*offtopic* anybody have TL-files (for 3D Printer) for the NAO? *offtopic*
#146  
Haha Thanks , 4x4 utility Robot , this is version 1 , version 2 will have the same equipment moved over to a steel tube frame and have a legitimate suspension. First I will make some world record attempt's with this "toy" "power wheels" chassis. I will be attacking the current record set by Tamiya, 23 miles in 24 hours.

As far as 3d files.... Anthony is good at 3d design. If you need a part he can probably draw it for you to 3d print. Xlrobots.com
#148  
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Here is the new petcock valve that screws into the new tank. The tank arrived but a couple mounting tabs were bent. I have two options , I can either mount the tank directly above or slide it forward about 16 inches and mount it there where it can be mounted lower to the center mass of the vehicle. Anyways those are my two options for mounting.

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#149  
OK so I'm trying to get things mounted at this time.

I have a
-600 watt psu
EZB v4
Sabertooth controller
1500 watt power conditioner
Zotac mini pc
4 gallon gas tank
63cc generator


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#151  
You should look into a sweet custom safari rack for the top of it! Just to hold all your gear! This way you would have the whole surface area of the top to place gear on instead of having to mount around your gen. This is also a similar idea that the military has been playing with for years now but to build something affordable for the public that really anyone with some basic knowledge of electronics, robotics, and handyman skills can do is an awesome idea! I moded my sons power wheels for 24v but this looks like a project that may be interesting to start as he gets older to teach him some basic knowledge! Great job man!
#152  
I am interested in building something like this for a communication robotics lab project at Western Michigan University in Kalamazoo Mi. I understand everything you did but I am not sure how you hooked up the speed controller and servos to the EZ-B. Can you explain or post a pict?