Categories: all aviation Building a Biplane bicycle gadgets misc motorcycle theater

Tue, 24 Feb 2009

Monkey Light post-ride update

The ride was essentially uneventful. I got one verbal compliment on the lights, one thumbs-up from a little kid, and otherwise very little reaction. Of course, I can't know what people in most of the cars were thinking, but hopefully I was more visible to them.

I noticed from some more-distant observations that the light really is visible nearly 360° around the bike. As long as something wasn't blocking my sight line (such as a wheel, fork, frame, etc.), I could see the lights. When they spin around the wheel, they're pretty eye-catching.

I got up into the low 20 mph range, and didn't notice the imbalance in the wheel. However, in the spirit of fixing that which ain't broke, I decided to make three changes. The first change was to move the light as far towards the rim as I could and still have one of the zipties capture two crossed spokes. This prevents the light from sliding outward at higher speeds. Having the light further out increases its sweep speed, making the patterns persistent at lower speeds-over-ground.

The second change was to safety-wire one of the attachments. This makes the light visibly harder to steal, which will hopefully be enough deterrent for those times the bike gets parked outside. Having all the racebike gear turned out to be pretty handy -- MonkeyLectric recommended using a heavy paperclip, which would have been pretty annoying to install. The safety wire is hardly the last word in security, and anyone with diagonal cutters (such as anyone with a multitool, really) could have it off in a minute or less.

The final change was the real "fixin' what ain't broke" choice: I added counterweights to the wheel. It ended up needing 49g of lead opposite the light to get it almost in balance. The wheel is still slightly heavy on the Monkey Light side, but my front wheel is now considerably closer to being balanced than it's ever been before.

Of course, the downside to this is that people pay good money to lose less than 49g off a front wheel. Adding that much seems a bit ludicrous, but I'm curious to try it out. Might make riding more pleasant. Might make riding more work (this is almost certainly the case), but hopefully not by too much. It's worth a try.

Check back, I have pictures to add, but they have to wait while I perform some vital computer maintenance.

Posted at 20:46 permanent link category: /bicycle


MonkeyLectric Monkey Light -- initial impressions

I just received my Monkey Light, and eagerly tore open the packaging. I ordered it in the Eco Packaging, which uses less material that I'm just going to throw away anyway -- huge kudos to MonkeyLectric for making this an option! It came in a ziplock bag with some paper crumpled up as padding.

The first impression was pretty favorable. The unit itself feels solid, and appears to be well-built. The "clear hard coat" over the LEDs was a bit unevenly applied, but appeared to have full coverage. Not a complaint, just an observation.

It comes with two photocopied sheets, one with installation instructions and illustrations (more illustrations than instructions, really) that made it pretty obvious how to install. The second sheet contained a lot of the copy that's available on the website, plus the all-important instructions on what the various buttons do.

I didn't spend much time delving into the menus, since they basically seem to limit the lights to less options. I don't really care about that yet. I was interested to note that the power button cycles from off to "efficiency mode" to "high power." This works well for me, since I'll be running it in efficiency mode (which is about 2/3 the visual intensity of high power) most of the time.

Unfortunately, it didn't appear to then be a single-click to power off, instead requiring a double-click through high power mode before it shuts off. This is typical of bicycle lighting products, but I figured with the obvious brains available inside the Monkey Light, they could have engaged a 5 or 10 second timer so that whichever mode you're in, the next click on the power button turns it off. A minor upgrade (or option to include) for the next version, perhaps.

Waving the device back and forth in front of my eyes wasn't satisfying (although I did see the patterns), so I ran down and installed the thing on my bike.

Installation is about as straightforward as you can imagine. Three zipties, three rubber pads, and it's done. I debated a bit on the placement, eventually opting for shoving the light almost down to the hub. The trade-off is that it won't move as fast, so the patterns won't look quite as cool as if it were out at the rim, but it also won't unbalance the wheel quite as badly.

Some quick initial tests suggest that the current placement isn't optimal, but I take too many hills too fast to risk the severe unbalance that would come from having it further out. I'll probably relocate it towards the rim once I get home, and can add some counterbalancing weight on the far side of the wheel. Even with its current placement, the bike was wobbling on the stand pretty severely at 15 mph indicated. This makes sense -- the wheel is now dozens of grams out of balance, if not over a hundred.

I'm pleased with the light, and at least based on initial impressions, would recommend it to anyone who's interested in increasing their bike's visibility. I'll report back after it's been through some rain, and after I get it mounted farther out on the wheel.

Posted at 11:23 permanent link category: /bicycle


Categories: all aviation Building a Biplane bicycle gadgets misc motorcycle theater