Bike builders newsletter online – Oct 30

bike builders news

Feature article by David Monk: Building the AtomicZombie Warrior Trike

Parts for your bike projects: axle adapters, disc brake adapters, hub flanges, head tubes and bottom brackets

Bike builders community: Hot topics and intriguing conversations.
Bike builders gallery: New additions. Upload your own photos.
Bike builders feedback: We love to hear from you.

Free DIY tutorials: Many in PDF format
AZTV webisode: There and Back Again: A Zombie’s Tale

This and archived newsletters are here: http://atomiczombie.com/NewsLetters.aspx

 

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New Plan Online – The Transporter Cargo Bike

The Transporter Upright Cargo Bike

 

Well, it’s finally online! The Transporter Upright Cargo Bike is the latest addition to the AZ plans page and is ready for download. It has been a real battle trying to find a few hours between the rain to get the bike photographed, but the weekend played nice for an entire day. I had fun moving some cargo around the yard and down our windy, hilly dirt roads and everything worked perfectly.

This plan takes a typical department store mountain bike or road bike and converts it into a rear loading cargo bike, leaving the front section of the bike in its original form. By keeping the part bike mostly unmodified at the front, the ride and stance is much the same as any bicycle, so you can head out into traffic and maintain eye level with those gas guzzlers.

A typical yard sale mountain bike

 

This plan is highly adaptable to your needs, and includes a rugged frame that can carry many different types of cargo carrying systems. The Transporter can be made to practically any wheelbase and the entire plan only requires standard bicycle components and a few lengths of round or square tubing, so it will be an inexpensive and straightforward build. I opted for a flatbed cargo top since I intend to move some large items around such as firewood and potted plants.

Testing the brakes down our hill

 

I loaded some heavy cargo and drove the bike down the steep hill up to our driveway for a brake test. Even using only the front disc brake seemed to offer adequate stopping power, and the handling was good. The only learning curve was getting used to the wide turning circle of a bike with an 8 foot wheel base. I did manage to get it turned around in the width of our narrow dirt road, but did use the entire road to do so. For typical navigation, the bike handles just like a regular cycle.

Blending in with the wildflowers

 

Our field is just bursting with color these days thanks to the rainforest-like climate over the last few months. Normally, the wildflowers bloom in shifts of yellow, white and then purple, but this year they are all here at the same time. I rolled the Transporter over to the edge of the yard and got some great shots of the bike contrasting against the rolling blue and white sky and the matching yellow in the field. I think photographing a bike is almost as fun as riding it, and I enjoy trying out different backgrounds to set the mood of the shot.

Well, there you have it, another plan completed. We are now turning our focus towards a set of highly detailed welding, grinding and bike hacking tutorials which will be part of our tutorials page and offered for sale as a complete DVD as well. I should be able to do most of the filming under the non-leaky section of the old trailer, so the rain will not get in the way this time.

~ Brad

100 million volts and an un-ridable scooter

Lightning and propane – not so good! This picture was taken after dark.

Last night was yet another typical example of the weather around here for the last two months – torrential downpours followed by non-stop lightning. Is it just me or has the weather really changed over the last few years? Everything is much more intense it seems, with more snow, more rain, more heat and more cold. Global warming? Yeah right, maybe in the summer, but winter around here is worse than ever. I would like to propose a new term for this wild shift in weather – “Climate Amplification”. Things are not hotter or colder; they are just more intense.

But, I did have fun with the camera last night.

A very intense strike at the back of our yard

The lightning flashes were so intense and so often that it was easy to capture them with a camera. Odd, when I was younger I tried so many times to get just one photo of lighting but never could and now I can get 50 good shots on two days out of a typical week. Perhaps my next project should be a giant high voltage capacitor that can store 100 million volts and then convert it to a lower voltage for later use. Hmmm…as some of you might know from this project, I actually have built equipment almost capable of that feat!

http://lucidscience.com/gal-rock%20disaggregator-1.aspx

Oh well, the show was definitely fun to watch, and the strikes were not so close that we felt like running.

Watching lightning is so cool! My favorite strikes are the ones that look a mile wide and make that phhhzzzzttt-shhhaaaaaaa-powwwwwwww sound, rocking the house to the foundation. I actually captured one of these strikes last night, and judging from the photo, the strike was probably just at the boundary of our yard, about a mile away. You know the lighting is close when sound and flash are less than a second apart since sound travels at 750 miles per hour.

I could never actually ride this thing!

OK, enough about the weather, it’s starting to aggravate me now since once again I am stuck indoors due to the usual 60% chance of thunder showers today. Maybe one day I will actually get to take the last few photos needed to release the Transporter Cargo Bike plan.

As a diversion, I dug deep into my bike graveyard photo director and found this funny one wheeled scooter contraption that I built and could not ride. The idea was to balance like a pendulum and kick with one foot to glide. I figured it would take some serious practice to learn to balance this thing, but being decent on a unicycle and able to pilot almost anything, I thought I could do it – wrong! After a long weekend at camp and almost non-stop practice, I managed a total of about 100 feet on the one wheel scooter. Seems, there was not enough counter force at work when pushing along the Z axis, although side-to-side balancing was pretty easy.

Of course, I will never give up until I make a workable one wheeled scooter and do have another plan that involves some counter acting weights and a sneaky lever system, but probably won’t try it anytime soon. I did make this thing out of the one wheel scooter though, so it wasn’t a total loss.

http://atomiczombie.com/Tutorial%20-%20The%20Spin%20Scooter%20-%20Page%201.aspx

Well, that’s about it for now, not too much in the way of bike building progress, but tomorrow is actually calling for no rain, so the Transporter may get finished finally. If it rains again tomorrow, I am giving up on building anything with wheels and will start making water craft!

~ Brad

www.AtomicZombie.com

Mutant Ninja Flowers and a Turtle

The AZ Yard Muncher

I know, it’s a bizarre name for a blog title, but when I started doing these morning musings, I decided to just write about the day before and try to keep it fun! As I had mentioned previously, this place has been like a rain forest lately, with rain almost every day for weeks on end. This onslaught of cloud juice has made bike building a real chore since I work outdoors mainly and have a completed bike that I need to take final photos and videos. Yesterday, the rain turned into more of a drizzle so I took this rare opportunity to get the mower out and get some of the yard cut. Now, this may not seem like much of a big deal, but we have to mow a three acre section of the yard. OK, that may also seem like no big deal but get this…I hand mow the thing!

No doubt you think I am insane for mowing three acres with a hand mower, but we have no place to store a ride mower, and this twice monthly mowing sure keeps my legs in good shape. Of course, a true garage hacker would NEVER EVER use an unmodified appliance, so of course I turned this otherwise tame mower into a beast of fury by modding the deck.

As you can see, the safety guard thingy that once held the bag has been replaced by a steel horn like thing that looks more like a snow thrower output horn. This little mower can now shred 3 foot grass, leaves, even small trees into mulch, tossing the shavings in the air a good 10 feet. Before I made this scary mod, the mower could barely cope with knee high grass and would jam up once every half hour. When I mow this yard, it takes me seven to eight hours if I walk non-stop, only stopping to refill the tank.

Mutant mow-proof wild flower

 
Since we have been having rain forest like rain lately, I have not been able to mow for more than two weeks, and these tall yellow glowers have taken up most of the yard. I don’t know what these things are, but I don’t think they are from this planet, and probably came here on an asteroid or some alien probe. In two weeks, these things grew over 2 feet tall and they can actually survive being run over by the mower. Yeah, no kidding, I mow them over two or three times and they just pop back up! I pulled one out by hand for inspection and they seem to have a stem made of green carbon fibre. At less than a quarter inch thick, the stem is so durable that it cannot be snapped by hand, and is as strong as wire. Anyone know what these things are? I wonder if dynamite will get rid of them?

Half-way through my mowing, a turtle decided to crawl up the hill through the tall grass for a visit. This little guy/gal was a bit annoyed by being picked up at first, but then relaxed and seemed to enjoy the free ride to the other side of the yard, away from the Yard Muncher. There are several creeks and ponds way back in the yard, but these are almost a mile away, so it must have really wanted to explore to make that kind of journey.

This cool dude came for a visit

With the way the weather is changing around here, I wouldn’t doubt that the next thing that comes wandering our of the pond will be a big ol’ gator.

~ Brad

Random thoughts, more rain!

Managed to snap a pic in between storms.

 

It’s official; we now live in the rain forest! And, when it’s not raining, the humidity hovers between 70 and 80 percent, so it might as well be. Oh well, here I am complaining about the rain when three months ago I was up to my waistline in snow. I guess that spring and fall really are the only good seasons for an outdoor bike hacker like me.

I did manage to get an hour on the Transporter Cargo Bike and added the cables, levers, and shifters. The first test run went well minus the fact that I had almost no air on the front tire. To complete the plan, I still have to get some photos and video of the bike being loaded with cargo, so it will be a game of waiting for the weather to cooperate.

Wow, a day that might not rain!

 

This week’s forecast is pretty much the same as the last two months with 40 to 60 percent chance of showers, which really means spitting rain every hour followed by intense rain for a few minutes and then 70 percent humidity until the next wave of rain. I don’t ever remember this much rain, and I am seeing plant life that looks like it belongs in the Amazon jungle around here.

New welding and grinding tutorials coming

 

In an effort to do something useful this year, we have decided to start making some highly detailed welding and grinding tutorials to replace the old ones on our website. These will be step-by-step video and photo tutorials from the very beginning that will show a noob what kind of welder and gear he or she might need, right up to controlling distortion. Since bike building seems nearly impossible out here this year, I plan to retro fit the non-leaky side of my shack with some backing boards and turn it into a video studio to make the new tutorials.

I will be purchasing a MIG welder as well for the tutorials since many are using one and will go through the process of both arc welding and MIG welding in great detail. Grinding tutorials will be the same in depth video and photo tutorials with hundreds of images lots of example videos, and text that explains everything one would ever need to know in order to jump head first into this great hobby.

A robot project from 2001

 

I like to dig through my old photo archives when I am doing my morning blog. Here is a real retro photo of one of my first large robot projects. If you can drag your gaze away from my super cool sideburns for a second, then you will see that I am riding on the robot, with an RF controller in my hand during a test run of the differentially steered transmission system. This robot was quite unstable and dangerous since it could reach speeds of 20 miles per hour and then flop over face first when something glitched in the motor drive processor!

But, the robot was fun to operate. I would sit indoors looking at a video link being transmitted from the head mounted camera and navigate (carefully) around the block, interacting with stunned bystanders using a text to speech processor that made the robot talk. I do miss building these things. Once I have an indoor workspace again, I have plans to build a 4×4 autonomous robot that will patrol our yard and keep that dumb bear off the property.

Well, I am going to head our and face the rainforest now. I have to find a way to cut the lawn in between drizzle as it is now knee high in most areas. Talk at ya later.

~ Brad

Paper, Proto, Plan, Precipitation!

A tandem tadpole trike sketch

I was really hoping to have the Transporter Cargo Bike ready to show off for this morning’s blog, so far this year has turned our area into a rain forest. Sure, it’s great for the garden and berry trees, but not great for getting any welding or building time in because my shack has no doors or windows and leaks when it rains. Add to that the 2 foot tall grass and I am starting to wonder if perhaps winter would be more productive after all! OK, enough complaining I will save that for the end of the blog!

While searching for something else to blog about, I thought of what it takes to turn an idea into a working project. I divide the process into three steps: paper, prototype and then plan. Most of the time, an idea never leaves the paper stage. I currently have 43 full spiral ringed notebooks of bike ideas that I have collected from over the last five years. Sadly, I never kept notebooks before that time, so a lot of cool and crazy ideas ended up in the recycle bin.

I usually start with a few pages of rough sketching just to get my head around the basic idea and how it might look.  It takes only a few minutes to sketch up a bike. The sketches offer a decent view of many of the difficulties in designing a bike or trike such as chain line, seating position and steering. I can usually determine if an idea is viable within a few pages worth of sketching, and by the 10th drawing often the bike or trike is radically different than the original idea. This tandem tadpole trike sketch seemed workable, so it was one of the few drawings from several thousand that moved to stage two – prototype.

The Viking Tandem Trike

All of the AZ plans go through a prototype stage so that ideas can be tested in the real world and then either modified or scrapped. Having a rough prototype means I can beat the hell out of the vehicle and see what it can take, making any adjustments that may be necessary. This tandem trike proto was made of electrical conduit and BMX wheels and took about two weekends to put together. We tested this trike at a campground for three days, beating it up over trails, down rough gravel roads, and even off road at times. It held up, even though there was no frame trussing and many of the welds were only half finished. My thinking is that if a poorly build proto can hold up to abuse, then a properly built final design would certainly hold up to just about any conditions. So, the next step was to turn proto into plan.

Turning paper into prototype

When I built the Viking Tandem Trike based on the original prototype, I made it a lot more durable and added many new features such as an unlinked transmission system, adjustable bottom brackets, dual disc brakes and under seat steering. The 1.25 inch conduit was replaced by 2 inch square tubing and the frame was properly triangulated for supreme strength. Building a plan from a prototype is a much longer process because every step has to be meticulously photographed and documented, but it is worth the effort when I see completed projects based on our plans being posted in the gallery.

So I am 95% into the plan stage on the Transporter Cargo Bike and only need to add the brake and shifter cables to complete the plan. But, the rain-man seems to have other plans, keeping me indoors as of late.

This is a typical site out here lately

The weather report has been practically the exact same for more than a month – a 40% chance of thunder showers and high humidity. What that means is that it spits rain once every few hours and dumps rain once a day. The grass is constantly wet, and my bike building shack smells like the back of uncle Jeb’s cabin…ack! I am at the point where I need a nice dry sunny day to get the final photos done, even if the rain holds off for four hours, I would be happy. Oh well, the apples and berry trees are sure enjoying the new rain forest, but the lawn is getting so tall it may take three days to hand mow the yard the next chance I get! I wonder, is there such a thing as an anti-rain dance?

~ Brad

DIY always gets attention

I’ve always had a passion for radical bike designs.

If you have been hacking things together for any length of time, then you probably know that your unique creations draw attention wherever you are. When I was in my early teens, I would string four or five scrap bikes together and my buddies and I would wobble down the street on my contraptions that often resembled bikes from Doctor Seuss books. Making it back home in one piece was a 50/50 chance because I usually only brazed my early bike hacks, but the one thing that was guaranteed was a lot of attention.  My intent was never to make something to draw a crowd, but I often found myself talking to a group of interested onlookers or even speaking into the camera on the evening news.

I took a long break from bike hacking after getting my first motorcycle (and job), but found myself back out in the garage in the year 2000 to rekindle my DIY roots and get my mind off the daily grind of living in the real world. I started collecting junk bikes and old power chair parts and concocted some cool bikes and robots out in the small garage just to have fun on the weekend. Oddly enough, I never took any photos or intended to publish these works. One day Kat suggested that I put some of the bikes up on my website AtomicZombie.com, which at the time was a home for electronics hacking stuff I was doing.

Getting youth interested in technology.

 

Well, within months I started connecting with some amazing people and realized I wasn’t the only one who enjoyed making art from metal, sometimes for fun, sometimes to be practical. It didn’t take long before the word spread locally, and we were dragging my creations to all kinds of events. The large video guided robots were always popular. I enjoyed inspiring young hackers to consider this great hobby. The robots were a natural crowd magnet since I controlled them from miles away via video link and could communicate to people by typing words into a speech synthesis station at the base, making the robot seem intelligent. Soon my remote robots’ main purpose was to draw in a crowd and baffle them with technology.

Photo op with some visiting teens from the USA after my World Record ride.

At one point, I decided to aim for a Guinness World Record, making the tallest rideable bicycle, and figure it would be fun and possible draw a bit of attention to the website which was now mostly dedicated to bike building. Well, I was certainly not ready for the storm that this thing generated once the word got out! I must have done a dozen live radio interviews, news casts and even a live spot on a a national broadcast of Canada AM . Tall bikes sure draw the crowds!

When the tallbike called “SkyCycle” made it to a full color page in the Guinness Book (along with my mug), I was shocked. I knew these crazy contraptions could draw interest, but I had no idea how far it could go. Even a simple recumbent bike like the Marauder would spend half the time parked as I explained the bike to interested people along a ride. No doubt, all you DIY enthusiast out there know what I am talking about.

When I think back to me pre-DIY days, I guess my inspiration did come from seeing others’ creations, although it was mostly in the form of photos from old Popular Mechanics books or the odd newspaper article. Now, with the internet jacked into our heads like The Matrix, it’s so easy to connect with other DIY folks and share advice, so the community is stronger than it’s even been. Back in the early 1980s I would have never thought that one day I would be saying, “Hey!” to a cargo bike builder in Africa and then a trike builder in Australia within a 15 minute span.

So, if you are a new builder just getting ready to roll open that garage door and head out on your new DIY creation, get prepared for the attention your work will draw.  You will now become the source of inspiration for a young generation of future DIYers, so make sure you pass along that attitude that drives us all, “Yeah, you can do this, too”!

~ Brad