Chris Carini – Portfolio for a CS/CE Student & Web Developer

25 May 2015 | Author: | Comments Off on Chris Carini – Portfolio for a CS/CE Student & Web Developer
Honda EV Electric Moped Prototype

The goal of my scooter was to get a vehicle I could use to get to work and school that would get equivalent if not better gas mileage then my car, all while having fun and not having to try to get good gas mileage. My current lifetime gas mileage is currently around 74MPG and is tracked at I also wasn’t pleased when I saw that the top speed was 25MPH, so I’m in progress of changing that.

So far I’ve done the following:


ASN 9:1 Rear Secondary Gear Swap

OKO Upgraded Variator and Ramp Plate

OEM Upjet from #78 – #82

Ruima Variator Roller Tuning Kit

Pirelli SL-26 Front and Rear Tires

Trail Tech Vapor Digital Gauge w/ Custom Mount

I’ve currently pulled the scooter off the road as it needs a new top end; until I can find one for a resonable price – or decide I want to go all out – I’ve decided to not ride it to prevent any damage or wear.

Honda Elite Sites:

Electric Motorcycle

After going to a local EV car group, I was inspired to create my own. One of the members said that they had a motorcycle frame they’d be willing to give to me for my first conversion. It was a 1983 Yamaha Venture 1200cc that is currently being converted into an electric motorcycle. The frame has been stretched to accommodate the batteries and the battery trays and motor mount were fabricated from scrap pieces of metal.

An aluminum plate holds the fuse, shunt, and Open ReVolt motor controller (seen below); a 200V 1000A industrial switch is used as the main contactor. The premise of the project is to create an EV at the minimal cost; most parts are recycled or scrap parts from junked industrial machinery.

EV Motorcycle Sites:

Open ReVolt DC Motor Controller

After experiencing failure with 2 used DC motor controllers, my friend Ben Nelson mentioned I should consider the Open ReVolt. The Open ReVolt Motor Controller is an open source PWM-type DC motor controller. The controller was designed by Paul and Sabrina who were kind enough to send me a big box of electrical components for me to assemble.

The parts were for a 700 Amp version of their 500 Amp controller; this upgrade in amperage is enough to power a small pickup truck, let alone my motorcycle. Assembling this motor controller was my first large soldering project, and thanks to my friend Tom G, I succeeded without any problems.

Quad Battery Monitor

These battery monitors were designed to measure the voltage of up to 4 batteries and are able to have their power input/output daisy chained together. My friend Tom G designed these units from the ground up; I merely helped him assemble several of them. This was my first encounter with surface mount parts, teaching me the process and patience needed when working with these types of components.

Hard Drive Tear Down

The purpose of this was to extract the very powerful magnets (not seen in picture) found inside hard drives. I also came out with some pretty cool parts; especially the platters, which are incredibly reflective. I’ve always loved tearing things apart to learn and understand how their internals worked; this was yet another opportunity for me. Because of tearing a few old hard drives apart, I now know and understand even more about hard drives then before.

Plus, who doesn’t love magnets?

Computer Builds

I’ve built two computers for myself from the ground up, and assembled many more. The first computer I built (in 2005) was used mainly for gaming and school work, as well as a basic web server for local development and testing. The second computer I built (in 2008) is still in use as my main workstation.

I use it for school, work, development, and a workstation for virtual machines.

First Computer’s Components

AMD 64-bit 3000 (Socket 939)

1GB of Dual Channel DDR RAM

Honda EV Electric Moped Prototype

2x 300GB Maxtor IDE Hard Drives

AGP Video Card

500W Mad Dog SurePower Power Supply


Second Computer’s Components

Intel Core2Quad 64-bit (Socket 775)

8GB of Dual Channel DDR2 RAM

1x 128GB Samsung 830 SSD SATA Hard Drive

NVIDIA 9800GT OC Video Card

1000W Thermaltake Toughpower Power Supply

Antec Three Hundred Illusion Black Case

I also own two laptops – a Lenovo T520 laptop, and a Google CR-48 (a limited release prototype of their Chromebook series) – and several other older computers; I use them for various servers and hardware firewalls.

Google Chrome Extensions

I have built two extensions for Google Chrome:

The first two were created to automatically log the user into their accounts at both UWM and RIT. This was originally made for UWM, then a second created for RIT because a good friend liked it so much, that when they went to Grad School at RIT, they asked I make a version for RIT. done!

Honda EV Electric Moped Prototype

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