31
Open Forum / Re: The names "2T" and "4T"?
« on: April 19, 2011, 04:18:42 PM »
I meant "2S" as in "2 Stroke."
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32
General Two Stroke Talk / Re: 2 vs 4 stroke!!
« on: April 16, 2011, 12:42:49 AM »
I have to admit, some two-stroke sounds I don't necessarily like. Some bikes sound like there's shredded aluminum foil in the exhaust somewhere, it's kind of annoying. But if you have a real crisp, radical cackle that sounds like a tiny top-fuel dragster, that can be a wonderful sound (although that kind of sharpness often requires you remove the silencer, which is going to be a bad idea 90% of the time). And then you get the bigger two-strokes, like 400+ cc which roar like a Grizzly Bear when you pour on the gas. You can just feel the torque through the air. Four-strokes can sound cool some of the time, but honestly a four-stroke engine needs a higher number of cylinders to really get good sound.
33
General Two Stroke Talk / Re: The exact reason we talk about how the 4 strokes are bad.
« on: April 16, 2011, 12:37:42 AM »
Guaranteed 100% every time, you won't have ANY clutch debris in the gas tank, where the oil ought to be.
34
Open Forum / Re: The names "2T" and "4T"?
« on: April 16, 2011, 12:29:55 AM »
I always just figured it was flat-out based on "takt" because the dudes up in Scandinavialand have always been pretty hardcore about MX, particularly in the old days when you'd have Husqvarna factory riders going out into the untamed wilderness at dark o'clock in the morning and not coming back until it was dark o'clock at night.
However, I think it might be a good idea to start using the 'S' notation, because that way we can refer to them as 2S and 4$.
However, I think it might be a good idea to start using the 'S' notation, because that way we can refer to them as 2S and 4$.
35
Open Forum / Re: Porsche molesters
« on: April 11, 2011, 10:03:09 PM »
Let me just say that, as a responsible Porschephile, I do not condone Porsche Molestation!
36
General Two Stroke Talk / Re: AMA Homologation Rules
« on: April 09, 2011, 03:24:50 AM »
The AMA's rules won't be perfect until you can ride a 1978 Maico 440 against a 2011 CRF450. The wisdom of doing this in professional championship racing is up to you, but it should be legal regardless.
37
Non-Moto / Re: Scariest bikes you've ever ridden.
« on: April 09, 2011, 03:19:35 AM »
Character is important in a bike. By the numbers, my 120 is a pretty inferior machine to just about anything you want to compare it to, but it's got so much character that it's more fun to ride than my Husky. You just expect so little out of it, and then right about the time you feel a wave of torque in second gear, and get an unexpected wheelie from the downright stupid weight balance, you fall in love. I don't know if anyone else would connect with it the way I do, but it's wonderful.
And, in keeping with the theme of this thread, it can also be a little bit scary because it can put itself into a terrain + speed combination that the structure of the bike simply can't take. We're all used to bikes that you can ride as fast as you possibly dare, and so long as you don't crash, they're good to go faster. Anything with long-travel suspension will basically do that. Not this one. Take the 120 at maximum attack mode over something scarier than a dirt road, and there's a good chance something's going to disintegrate - probably the poor shocks.
And, in keeping with the theme of this thread, it can also be a little bit scary because it can put itself into a terrain + speed combination that the structure of the bike simply can't take. We're all used to bikes that you can ride as fast as you possibly dare, and so long as you don't crash, they're good to go faster. Anything with long-travel suspension will basically do that. Not this one. Take the 120 at maximum attack mode over something scarier than a dirt road, and there's a good chance something's going to disintegrate - probably the poor shocks.
38
Non-Moto / Re: PNW TSM Spring Ride
« on: April 09, 2011, 03:08:06 AM »
I'm close enough, I think I could probably get away without camping, but I know not everyone has that luxury.
39
Photos & Videos / Re: cr250 smoking 450s in the 450A class
« on: April 09, 2011, 03:03:14 AM »
When I see a really fast bike and rider attacking the track like that, I'm amazed at how well everything works. Going that quickly over that kind of terrain, although of course we take it for granted, really is quite a feat. Compared to car racing, the speeds are very slow but as you watch it it's really quite a bit more impressive.
40
Photos & Videos / Re: Awesome video!
« on: April 02, 2011, 03:23:11 AM »
No, that's not how we're remembering it!
41
Open Forum / Re: Radeo Suicide isnt going to like this one
« on: April 02, 2011, 03:22:08 AM »
But isn't the Bel-Air body-on-frame, resulting in a comparatively weak upper structure compared to a unibody car? Also, unless the engine is a stressed chassis component, wouldn't it just come flying into the passenger compartment, rather than staying in place to absorb impact?
42
Open Forum / Re: Doyle Rotary Engine
« on: April 02, 2011, 03:13:25 AM »
Per unit displacement, rotating mass is dramatically less than a four-stroke, or at least so they say. The only thing complicated about this is the number of pistons, but there are far fewer moving parts than a four-stroke of similar displacement, because as in two-strokes and Wankels, everything is controlled by ports rather than valves.
43
Open Forum / Re: Radeo Suicide isnt going to like this one
« on: April 01, 2011, 01:23:37 PM »
Timeless works of art do tend to be a little delicate.
44
Open Forum / Doyle Rotary Engine
« on: March 31, 2011, 09:08:34 PM »
I stumbled upon this a few months ago on YouTube, and now they've just released a new video which is pretty interesting. I was wondering what you guys thought of this idea. Bit of a pain to wrap your mind around the concept, but it's quite elegant, in a way.
The Doyle Rotary Engine
The Doyle Rotary Engine
45
Non-Moto / Re: Finally got my daughter to ride
« on: March 31, 2011, 08:32:21 PM »
She would've loved the 120; it's got lots of bottom-end. Problem is, of course, it doesn't really have much top-end to speak about. You might say it's like a four-stroke except it's not heavy, and it's gone 43 years without a rebuild and hasn't even thought about top-end trouble.