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Lineage and the Nobility of a Trade
My dad passed away on June 14th at the age of 90. He was a civil engineer and a building contractor. He was an engineer in the Air Force during the Korean War, building runways. His father, my granddad, was a talented jack-of-all-trades and a clever, whimsical inventor (he made himself a pair of convertible pants and a shirt several decades before the concept was patented). They both instilled in me, from the earliest age, the do-it-yourself ethos. When I was 5, I almost electrocuted myself when I tried to take the kitchen toaster apart with my Handy Andy tool set to find out how it worked – while it was still plugged in!
Here’s something I wrote in my first Tips book (which was dedicated to dad and granddad) about watching my dad seemingly effortlessly build things when I was a kid:
One of my early memories was being with my dad while he worked. I remember riding in a Gradall Excavator with him when I was a wee one. I thought my dad was basically the coolest guy on Earth because he could confidently pilot such an impressive, intimidating machine. As a pre-teen, I remember watching him swing a hammer while he was adding some rooms to the basement of our home (which he’d also built) and realizing how regular and perfect he was with his swing. It usually took him the same number of strikes each time to drive and countersink a nail – one swing to set the nail, one to drive it most of the way in, and a final whack to counter-sink it. I don’t remember exactly how old I was, but it was probably the first time that I instinctively understood the nobility (and the efficiency) of perfecting a trade. If you do something enough, you get impressively good at it.
Tools are an extension of our bodies, our intentions. Like specialized “end effectors” on a robot, they instantly give us special abilities; superpowers. Combine the right tools, the right materials, and the proper know-how, and human beings create worlds. Tools are the physical interface between our dreams, our imagination, and their real-world realization. But our tools are not only powerful extensions of ourselves, they also contain stories (see above).
My dad (and my granddad) taught me about both the power of tools and the power of storytelling. Little did they, or I, know when I was growing up that my job would end up combining these two powers.
Knurled Knob Generator
Who doesn’t love a handsome and grippy knurled knob? This OpenSCAD script on Thingiverse allows you to generate knurled knobs of various sizes that slide over bolt heads. The script requires the OpenSCAD compiler to generate the 3D models.
Using Syringes to Clean Out 3DP Resin Vats
Back in January, I wrote about Daniel Herrero‘s “hack” of using a peristaltic pump to clean out his resin vat for his 3D printer. And then, based on comments to his post, he got a better idea: using large syringes to suck out the remaining resin. He experimented and determined that a 150ml syringe works best. Once again, YouTube comments to the rescue. He complains in the video about the hard plastic syringe head scratching his FEP film at the bottom of his vat. Commenters suggested adding a short bit of rubber tubing to the tip of the syringe. He also mentions the resin scraper that comes with printers scratching his FEP and viewers remind him that a silicone plastic spatula (I got mine from the dollar store) won’t scratch the film.
Do Different Formulations of Motor Oil from the Same Brand Really Behave Differently?
Todd at Project Farmwanted to know if different formulations of oil from the same brand (Penzoil) perform differently, and is the high-end oil all that different from the cheapest one? The formulations tested were Pennzoil Synthetic Blend, Full Synthetic, Platinum, and Ultra Platinum. He sent the oils out to a lab for analysis and also tested them for evaporative loss, lubricity or film strength, and cold oil flow both new oil and after exposure to heat. Additionally, in a final test, Pennzoil Ultra Platinum was exposed to 10% gasoline and another sample to antifreeze to test the impact it had on lubricity and oil performance. Bottom line? This looks like a “you get what you pay for” result. The most expensive of the lot, Ultra Platinum ($28 on Amazon at time of test, $14.22 currently), definitely performed the best. That’s actually lower in price than the cheapest one at time of testing (Synthetic Blend, at $17). And, if you buy 6 quarts on Amazon, the Ultra Platinum blend is only $8.60/qt.
Fantastic Free Class for Learning Arduino
Via the always-informative Maker Update comes word of this really wonderful series of beginner educational videos on the hardware, development environment, and code used for the ubiquitous Arduino microcontroller. If you’re interested in getting into Arduino, there is no better gateway.
TOYS! Liquid Chrome Markers
I recently saw Adam Savage use these chrome markers in a video where he was weathering a prop that he’d built (the motion tracker from Aliens). I immediately bought a set and man do I love them. If you have a need to faux chrome anything…
FrogPod is Now on Kickstarter
I’ve been a big fan of Thomas Baisch‘s Instagram page, InfiniteCraftsman, for a while now. He posts one innovative shop solution after another, most of them 3D printed. One of his most brilliant creations is the FrogPod, a flexible, magnetized three-legged camera mount that you can slap onto metal surfaces. He recently launched a Kickstarter to raise an army of FrogPod users.
Maker’s Muse
Figurengruppe Theater Schwäbisch-Hall, Germany, Karl Henning-Seemann. H/t Vickie Jo Sowell.
Shop Talk
In response to my piece on witness marks, my ol’ pal Steve Roberts sent me a photo of these fascinating marks inside of his Waltham pocket watch.
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A cool tool can be any book, gadget, software, video, map, hardware, material, or website that is tried and true. All reviews on this site are written by readers who have actually used the tool and others like it. Items can be either old or new as long as they are wonderful. We post things we like and ignore the rest. Suggestions for tools much better than what is recommended here are always wanted.
My new best friend is the Brompton T6, a foldable 6-speed bicycle made by the Brompton company in England. Living in an urban area and having a bike that folds is basically like having wheels for feet; and in the world of folding bikes, Bromptons simply cannot be matched in their compactness and riding quality. They ride beautifully and smoothly thanks to a conical rear shock absorbing block. They take about 10 seconds to go from fully unfolded to fully folded and are compact enough to take inside anywhere — metro, hotels, restaurants. I, at least, have never had a problem storing it. There are other makes of folding bikes (like Dahon) but time and time again I see people that own Dahons who simply won’t bother folding them and chain them up outside because they’re so cumbersome. What’s the point of owning a folding one? Brompton spare parts are amazingly easy to install yourself (the manual is very comprehensive and detailed in how to upkeep the bike). I bought mine six months ago and it has completely transformed my day to day existence. It’s a true lifestyle changer. Check out the front carrier accessories too. Fill that with other cool tools and that’s basically all you need.
[*Today, the closest available model to the T6 is the M6R.] — John Root
A folding bike is a compromise between ride quality and foldability. Moulton makes great artisan folding bikes with very unique design. Brompton also makes lovely folding bikes (previously-reviewed), but kind of artisan and pricey. I like the previously-reviewed Strida if all you have to do is ride 1-2 miles to the transit station. It’s not much good if you have to ride for more than 15 minutes. Citizen Bikes are awful, but some people who have never ridden a nice bike seem to be able to tolerate it. Dahon is starting to make some pretty damn good folding bikes at reasonable prices.
But my favorite is Bike Friday. It can fold into a suitcase that won’t incur over-charges on airplanes. Super light. Rides like a real bike, in some ways better. They have a few different models (even tandems!); I’ve ridden most of them — they are all good. I optimized my choice for quality of ride, but you can build them with ease of folding in mind by specifying what you want in terms of tools/no tools. For instance, some models require tools to fold for airline travel, but not for folding to stash on cars/buses. The Tikit models, on the other hand, explicitly requires no tools for folding at all.
These bikes are not cheap. I am a self-admitting bike snob. I value ride quality. Most low-cost folding bikes just feel cheap. The difference is in the custom-fitted frame, and better design details, higher-quality components and etc. (Bike Friday has been doing it for years). But you can get on a good Bike Friday for $1200. If you want, you can spend up to $3000 or even more for extras, but the frame is the same. These guys have great customer service, too.
I love mine. When it was recently stolen, I was heartbroken. Bike theft is like pet death. If you see my yellow Bike Friday (it has my wife’s name “Arwen Griffith” on the top tube), throw rotten fruit and stones at the asshole who stole it. — Saul Griffith
This folding bike has won both design and race awards. I’ve used it for seven years to traverse New York City, commuting two miles one way: in and out of Grand Central, the subways, buses, etc. A lot of folding bikes break down so that they’re bulky and awkward. The Strida is long and narrow, and carries like a photographer’s tripod — I can fold it while running down the platform at Grand Central. An easy way to visualize it is to picture three tubes in a triangle. Two points are hinged, and the third is a latch. When unlatched, the tubes fall together to look like a group of parallel tubes with a seat and wheels. Assembly is just forming the triangle, then click and go. This design is very clever, yet simple and robust.
The bike is unusual because there isn’t much maintenance (tire pressure and brake adjustments only). Unlike the Brompton, the Strida is a single gear with (dry) belt drive, which means no shifter or greasy chain, no tension adjustments and no caught pant legs. Even though there is only one speed, I can still climb reasonable hills. The tires are mini fat tubes, so you can jump curbs and hit potholes without any problems. The bike has a very, very tight turning radius, and while riding, your posture is quite upright – like a boulevard bike, not humped over like a road bike – so you can see traffic while riding in a suit and tie. The construction is solid, not flimsy in the least. I stripped mine down for size: removing the luggage rack and fenders so that it would easily fit in the overhead rack on the train. No one has ever bothered me for a bike pass on the trains or buses. If you buy one, be prepared: people will stop you often to ask what it is. I once had two teenage girls run out of a restaurant (and hang up their cell phones) to stop me and ask what it is. For a brief moment, I actually felt trendy! — Bruce Hartleben
A fun and detailed guide to hacking unusual bicycles from old bike parts. With a bit of welding here and there you can take castoff bicycles and repurpose them in dozens of imaginative ways. Here are notes for customizing choppers, tandems, unicycles, and crazy stunt bikes with frames found at the dump. How to strip down a bike to its useful components, and what to keep in mind as you modify its design and performance. — KK
All parts of a frame after cuttingMake final adjustments before priming and painting.The completed Skycycle is an awesome sight. Are you bold enough to ride it?Pulling a "one hander" is no problem once you feel comfortable with the Skycycle.
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