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Spettacolo con la Mitsubishi Lancer Evolution X sul circuito di Vizzola
In diretta dalla pista di Vizzola con il test della Mitsubishi Lancer Evolution X
In diretta dalla pista di Vizzola con il test della Mitsubishi Lancer Evolution X
Saw these two there together and thought it would do for a nice "evolutive" picture, specially since both are pretty much the same color.
If this Sebring is the one I am thinking about then it used to wear chromed hubcaps which has kept losing one by one, it's registered in 2001.
The Stratus on the other hand was quite dirty and accumulated a lot of dust in both the body and the wheels, perhaps not moved from there for a long time now. Its front plate was damaged so I cannot see the letters propertly but I'm guessing it's BZW therefre registered in 2002 (is it too new for the car? wiki says this generation ended production in 2000. But perhaps it lasted a bit longer here?).
"Change begets change. Nothing propagates so fast ... ... ... The mine which Time has slowly dug beneath familiar objects is sprung in an instant; and what was rock before, becomes but sand and dust. "
Charles Dickens
The evolution of this telescope has been driven by conceptual breakthroughs. I'm not saying that these were brilliant on any objective, global scale, but for me they provided a series of steps forward.
Originally I was going to stick the new mirror cell I built into a PVC tube, so that the back end would match the front end. Then I realized that the trim ring from the back end of the National Geographic scope (read: cannibal victim) would work fine as a back-end cage, and I could skip the PVC tube and make the telescope simpler and lighter at the same time.
Similarly, the first build of the telescope used the original 3-vane spider (i.e., secondary mirror support) from the National Geographic scope. But that spider was loooong, so it had to be mounted a long way forward, which meant the whole secondary cage had to be long. I couldn't cut down the secondary cage until I figured out a nearly zero-length solution for the spider.
People have been mounting secondary mirrors on posts for literally centuries, and that was an option, but I wanted my secondary to be fully adjustable on all axes. Eventually it occurred to me that the secondary support could just be wedged into the tube; elasticity and friction could take it from there. This is exactly what it looks like: the secondary mirror holder is glued (with silicone) to a good ole No. 2 pencil. The pencil is cut to length and capped with fat rubber erasers, which have themselves been cut down slightly to enlarge their contact patches. The white slash on the inside of the tube is one of the spots where I had to grind down that internal ridge with my Dremel to make a flat (and rough!) spot for the erasers to grab.
This spider cost me about $0.35 for the office supplies. It looks like hell, but it works perfectly. The secondary is rock solid and holds collimation well, but it can be easily adjusted in any direction with gentle finger pressure. The only way I can see improving it would be to use a narrower beam, possibly a thin piece of sheet metal or a section of a small metal ruler. But I'd still anchor the beam with rubber feet to preserve the all-axis adjustability.
I ordered the mirrors for a 5-inch f/5 reflector that I intended to build as a travelscope before I ever saw the National Geographic scope. One of those mirrors is still in the post. In the meantime, this thing has given me an opportunity to learn some things and to come up with solutions I might not have otherwise.
So where from here? Eventually I am going to drill some more holes and glue in some more bolts so that I can use two struts 180 degrees apart, and put them into a Dobsonian-style mount. That's the same thing the often-referenced David Gilbank did with his (http://dgilbank.freeownhost.com/travel.html), and I'm going to do it for the same reason: the tripod pan head just has too much backlash. You don't usually notice one degree of backlash, but when that's the size of your entire FOV it rapidly becomes obvious, and irritating.
Still, the perfect is the enemy of the good, and right now this telescope is Good Enough. It will be going with me over the holidays; I'll keep you posted on our adventures.
La increíble evolución que ha sufrido Walter White a lo largo de las temporadas de la serie Breaking Bad.
A la venta en LolaCamisetas
Ironically, the pay phone is owned by Frontier Communications, a Company currently in financial distress.
Found some photos of me last night from when I was a mere ankle grabber. All the way from 6 months to 34 years! The hair has darkened considerably...and it's all natural, thankyou!
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