Classification of drive types
- Thread starter Miles
- Start date
HAL9000v2.0
10 kW
Then you can reduce even more and call them Q,W,E,R and T
GGoodrum
1 MW
You guys are making my head hurt... :?
paultrafalgar
10 kW
Mojak Cojack, categorise this:
http://endless-sphere.com/forums/viewtopic.php?f=6&t=3983
http://endless-sphere.com/forums/viewtopic.php?f=6&t=3983
etard
100 kW
Great topic, I think it will clear the air for everyone. Now I understand Deecanio's drive.
I agree with Voicecoils, I think he nailed it from the beginning. I also appreciate the series, parallel analogy, as long as it doesn't create unnecesary confusion. As for Safe.... I would just classify this as pre, post series drive, or does fore, aft sound more poetic?
I know all the nerds want to be able to speak over everyone's head, but lets keep it simple, and then use more complex terms for individual drive variations.
I agree with Voicecoils, I think he nailed it from the beginning. I also appreciate the series, parallel analogy, as long as it doesn't create unnecesary confusion. As for Safe.... I would just classify this as pre, post series drive, or does fore, aft sound more poetic?
I know all the nerds want to be able to speak over everyone's head, but lets keep it simple, and then use more complex terms for individual drive variations.
safe
1 GW
- Joined
- Dec 22, 2006
- Messages
- 5,681
I first thought "Series", but after looking at it I realized that the motor and the crank come together from two separate paths and meet up at the bottom bracket. "Series" means that one thing is in front of the other. This is more like a "Fork" in the paths, so I went towards a word that sounds like it divides so I went with "Dual". It's not parallel because the two power sources converge before going back to the rear wheel.etard said:
It's hard to tell but it seems to be a triple geardown... I'm not even sure... :?
paultrafalgar
10 kW
paultrafalgar said:
My point in bringing that one up was that I think there can be quite a few variation that we haven't yet foreseen. We need an expert in Set Theory
Anyone out there? Actually, I think trying to describe them in words is a good exercise but I think that in the end it may be better to use diagrams wherever possible, because it makes it much clearer for the novice, if not all of us. What do you think?
Edit:
Second thought:
If the common drive type diagrams could be "thumbnailed" to the size of our Smiliies, they could be entered into the text and when you hovered over them they would pop-up a diagram the size and style of Miles's originals, assuming someone can code it (swbluto, perhaps)?
etard
100 kW
Safe,
I was referring to your drive setup.
Paul,
That is an excellent idea, probably will never happen though.
I wonder if a numeric system could be used to somehow communicate gear ratios, or tooth count at each stage of the drive as well.
I was referring to your drive setup.
Paul,
That is an excellent idea, probably will never happen though.
I wonder if a numeric system could be used to somehow communicate gear ratios, or tooth count at each stage of the drive as well.
TylerDurden
100 GW
safe
1 GW
- Joined
- Dec 22, 2006
- Messages
- 5,681
Mine is just:etard said:
Single Chain Drive
...it doesn't matter where the motor is placed in the system (not required to know anyway) because the essential feature is that only one chain carries all the power.
I think that the most simple and obvious naming is the best way to go because it's the only thing people will remember.
All the possible ways would fit within:
Single Chain Drive
Parallel Chain Drive
Motor First Series Drive
Crank First Series Drive
Dual Source Drive
...those are all the possible combinations I can think of. (set theory) The actual names could be fiddled around with a little, but those are all the possible ways that a wheel, crank and motor can go together.
Can anyone think of any others?
paultrafalgar
10 kW
TylerDurden said:
Excellent, TD, I think you've cracked it! Thanks. Maui? That errs on the Safe (poetic) side, perhaps (not up there with ISBN in the logical classification stakes) :lol:
TylerDurden
100 GW
A LUT can have arbitrary names, since the info is in the table, rather the pointer; although an acronym or truncation would be more efficient once a user is familiar.paultrafalgar said:
"Maui" references an early adopter... expelling volcanic gasses.
j3tch1u
10 kW
how about "tween drive" for #4? motor sits between and drive has twin chains.
Great idea for a post, as all the options I'm exploring is making my head hurt. My $0.02.
I think all chain drives can be broken down into two categories. One is where one chain applies all the power to the rear wheel, the other is where more than one (most likely two) chains apply power to the rear wheel. I would like to call this "serial", and "parallel" respectively, since this system is similar to electrical circuits. If there are multiple power sources, or if the power is routed through a complicated series of axles, this terminology can be termed "final drive" to make the distinction.
The other distinctions can be simplified into how many chains are used in the system, and the major difference is really one chain versus more than one.
Let's take a stab:
No matter how complicated the mechanism is, the bike "safe" posted would be "multi-chain serial drive". Now that wouldn't describe the rest of the system, so if you really want to, you can call it "multi-chain serial final drive" with a "multi-chain parallel input drive".
<hides_behind_chair>...
I think all chain drives can be broken down into two categories. One is where one chain applies all the power to the rear wheel, the other is where more than one (most likely two) chains apply power to the rear wheel. I would like to call this "serial", and "parallel" respectively, since this system is similar to electrical circuits. If there are multiple power sources, or if the power is routed through a complicated series of axles, this terminology can be termed "final drive" to make the distinction.
The other distinctions can be simplified into how many chains are used in the system, and the major difference is really one chain versus more than one.
Let's take a stab:
Diagram 1 and 4 are essentially the same system, and can be described as "multi-chain serial drive".
Diagram 2 would be "single chain serial drive".
Diagram 3 would be "multi-chain parallel drive".
No matter how complicated the mechanism is, the bike "safe" posted would be "multi-chain serial drive". Now that wouldn't describe the rest of the system, so if you really want to, you can call it "multi-chain serial final drive" with a "multi-chain parallel input drive".
<hides_behind_chair>...
safe
1 GW
- Joined
- Dec 22, 2006
- Messages
- 5,681
If were were to use the german language we could create really, really long words to describe everything:
Herzkreislaufwiederbelebung (heart-circle-run-again-enlivenment) = C.P.R.
Geschwindigkeitsbegrenzung = speed limit
Geschwindigkeitsüberschreitung = speeding (noun)
Hoechsgeschwindigkeitsbegrenzung = maximum speed limit
Gepäckaufbewahrungsschein (luggage-up-hold-certificate) = luggage check ticket
Hubschrauberlandeplatz = helicopter landing pad
Multichainserialfinaldrivemultichainparallelinputdrive
...but the question is:
Can you say that three times really fast?
Herzkreislaufwiederbelebung (heart-circle-run-again-enlivenment) = C.P.R.
Geschwindigkeitsbegrenzung = speed limit
Geschwindigkeitsüberschreitung = speeding (noun)
Hoechsgeschwindigkeitsbegrenzung = maximum speed limit
Gepäckaufbewahrungsschein (luggage-up-hold-certificate) = luggage check ticket
Hubschrauberlandeplatz = helicopter landing pad
Multichainserialfinaldrivemultichainparallelinputdrive
...but the question is:
Can you say that three times really fast?
RWP
1 kW
I thought this might be of interest:
http://www.brooklynmachineworks.com/site/bikesindex.html
Scroll down to Race Link and view images.
http://www.brooklynmachineworks.com/site/bikesindex.html
Scroll down to Race Link and view images.
