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Messages 11457 - 11486 of 14087   Oldest  |  < Older  |  Newer >  |  Newest
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11457
Phillip James <tiltingvehicle wrote: http://www.tiltingvehicle.net/xprize.html [Non-text portions of this message have been removed]...
phillip james
bobobo882002
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Feb 3, 2008
3:12 pm
11458
... It doesn't need "a week's training to get launched off its outriggers". It took me about half an hour's training before I succeeded at my first attempt. I...
Paul Blezard
piedevant
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Feb 4, 2008
10:27 am
11459
... If area doesn't matter, why did they keep making locomotive wheels bigger and adding more of them? Bob in FL...
Bob
turbometaspider
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Feb 4, 2008
7:05 pm
11460
... Bigger was for gearing, more was to avoid breaking rails. However, rubber tires interlock with any surface roughness, so they do gain traction with more...
Bob Stuart
carcyclebob
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Feb 4, 2008
7:32 pm
11461
Hi everyone, one the "But... as we were taught in school traction/ friction is NOT dependent on surface area. Traction depends on the coefficient of ...
Mitch Casto
birdaaaaaaaa
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Feb 4, 2008
7:53 pm
11462
... A tire designed for tilting with a round section is quite good at avoiding hydroplaning. On bicycles, no useful difference was found between slick and...
Bob Stuart
carcyclebob
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Feb 4, 2008
8:33 pm
11463
... traffic. This is the point I believe. "Doing laps of a GP circuit" would not challenge anyone [ I suspect] P ... and ... solo ... way ... entire ... of...
bobobo882002
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Feb 4, 2008
8:59 pm
11464
... tyres in not valid. These are specially designed to grip due to creating a "sticky" interaction between the tyre and the road by the heat generated in...
bobobo882002
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Feb 4, 2008
8:59 pm
11465
... into the subject. The physics is clear and as I stated it to be. It is counterintuitive[ as you have confirmed] Notice I added that in some...
bobobo882002
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Feb 4, 2008
8:59 pm
11466
... Tyre contact patch (CP) area supports the weight of the vehicle. It deflects as it rolls and the hysteresis loss in the rubber (partly) heats the rubber. ...
Arthur Middleton home
conrod55
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Feb 4, 2008
10:45 pm
11467
... It should also allow softer tires to have the same wear rate as the harder, narrower tires due to lower weight per unit area loading. Using softer tires I...
Aaron
aarontdav
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Feb 4, 2008
11:14 pm
11468
This tilter was built as a "proof of concept" from a 110cc mini-chopper by someone who intends to scale it up to full size and now wants to sell off his demo ...
Aaron Davenport
aarontdav
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Feb 4, 2008
11:19 pm
11469
Why is it that people rail incessantly about how rollover prone SUVs are, yet won't apply that same argument to Motorcycles or other MCS vehicles? Is it ...
Aaron Davenport
aarontdav
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Feb 5, 2008
12:43 am
11470
... I don't know anything about psychology, but I think it is probably safer overall for a tall, narrow vehicle to go down and slide on one side than for a...
Bob Stuart
carcyclebob
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Feb 5, 2008
12:55 am
11471
Thought I sent this a while back, was stuck in the drafts folder I guess. Aaron... Combining a couple posts, comments below. First a side note. HOV stands for...
Aaron Davenport
aarontdav
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Feb 5, 2008
3:21 am
11472
snip ... It is not easy to control any wheel steered vehicle without traction. Hovercraft, boats, aircraft are possible alternatives when there is no ground...
Arthur Middleton home
conrod55
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Feb 5, 2008
9:43 am
11473
... That's true, but a typical road bicycle tire, as well as being rounded, is much narrower than a car or motorbike tire and at a higher pressure. And also...
Alan Braggins
alan626734
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Feb 5, 2008
12:33 pm
11474
Phillip wrote: "doing laps of a GP circuit in an ECO would not challenge anyone" But I might be wrong. Evidently the ECOMOBILE can fall down...
phillip james
bobobo882002
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Feb 5, 2008
1:08 pm
11475
... assume that if you have two front tyres you have more grip than 1 front tyre. This is not the case. This is indeed "excessive extrapolation" In the...
bobobo882002
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Feb 5, 2008
1:09 pm
11476
Phillip here... now here is an ideal example of the "myth" Take this vehicle as shown. I will wager that this vehicle has less traction than it had in its...
bobobo882002
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Feb 5, 2008
1:09 pm
11477
... The result could be more or less grip even with the same compound as the front tyres could run lower pressure than originally, increasing their deflections...
Arthur Middleton home
conrod55
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Feb 5, 2008
1:23 pm
11478
Yes, true. Unfortunately for us though, traction isnt a binary issue. You cant assume that you will have it, or not have it. Patches of ice, snow, diesel,...
Aaron Davenport
aarontdav
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Feb 5, 2008
7:41 pm
11479
Phillip James <tiltingvehicle wrote: http://www.tiltingvehicle.net/xprize.html I have listened attentively and [so far] I find myself unmoved from any of my...
bobobo882002
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Feb 6, 2008
6:48 pm
11480
Regarding the grip of 2 vs one front. Example of two vehicles, one a conventional cycle and the other 2 F & 1 rear both having similar cg and wheel base and...
THOMAS J JONES
tomjonesavr
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Feb 6, 2008
6:48 pm
11481
... Yup, been there, done that, got the T-shirt (and the video). It's easy if you leave the wheels down. Tricky if you flick them up and down and squeeze...
Paul Blezard
piedevant
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Feb 6, 2008
7:03 pm
11482
Tom, The problem with parallel wishbones or A-Arms isn&#39;t in suspension scrub when vertical. Its when tilted. At 45 degrees tilt if the vehicle hits a...
Aaron Davenport
aarontdav
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Feb 6, 2008
7:16 pm
11483
... Dave here: This statement about parallel wishbones is frequently made but is only a partial representation of the situation. This 'sideways scrub' is only...
david woolard
david_woolard
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Feb 6, 2008
8:13 pm
11484
Ok, you lost me. Let me see if I follow... You say when the body is tilted, the wheels motion in suspension is sideways with respect to the vehicle body, but...
Aaron Davenport
aarontdav
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Feb 6, 2008
10:27 pm
11485
... Dave here: I don't see why you dismiss the much reported improvements (I haven't ridden one either) that two linked front wheels give to a tilting vehicle...
david woolard
david_woolard
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Feb 6, 2008
10:29 pm
11486
... Dave here: Let me try a different tack... With parallel wishbones, the wishbones will stay generally parallel to the road surface no matter what angle the...
david woolard
david_woolard
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Feb 6, 2008
11:15 pm
Messages 11457 - 11486 of 14087   Oldest  |  < Older  |  Newer >  |  Newest
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