Axial Flow Supercharger
#1201
What you want is a "Motor" vs an "engine". They for the most part give max torque at stall speed. Like electric, hydrulic, vacuum etc.
I don't think this is compatable with chassis dynamics as we know them. Or driving in a high performance manor with said chassis.
Granted no one has had to think of new chassis designs to work with this type power curve. Still hp has to have the componant of speed an distance added to torque. But ploting that curve should give a linear line. I have never tried it. You guys need the mental ************ more then I.
I don't think this is compatable with chassis dynamics as we know them. Or driving in a high performance manor with said chassis.
Granted no one has had to think of new chassis designs to work with this type power curve. Still hp has to have the componant of speed an distance added to torque. But ploting that curve should give a linear line. I have never tried it. You guys need the mental ************ more then I.
![Roll Eyes (Sarcastic)](https://www.rx8club.com/images/smilies/rolleyes.gif)
#1204
Registered
So what kind of chassis do you think handles this motor? Because I have one ![Smilie](https://www.rx8club.com/images/smilies/smile.gif)
Wouldn't you love to have that kind of power curve in an RX8? Just cut everything off at 10k RPM.
![Smilie](https://www.rx8club.com/images/smilies/smile.gif)
Wouldn't you love to have that kind of power curve in an RX8? Just cut everything off at 10k RPM.
#1207
Registered User
Note that those plots are for a .07hp motor!
Power curve is in watts and peaks at about 55 watts (746 watts per hp if you want to do the math, anybody).
The motor in question seems to be running on one volt (40 watts at 40 amps, from the curves).
Power curve is in watts and peaks at about 55 watts (746 watts per hp if you want to do the math, anybody).
The motor in question seems to be running on one volt (40 watts at 40 amps, from the curves).
#1208
Originally Posted by rotarygod
Horsepower needs to rise as rpm's rise in order to keep acceleration linear. The goal should be a flat torque curve.
#1209
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Originally Posted by Richard Paul
I don't know if I want to touch that.
I do know that as much as I love the forum, Women are better and I love them expotentionaly more.:D Even if they are more trouble.![Roll Eyes (Sarcastic)](https://www.rx8club.com/images/smilies/rolleyes.gif)
![EEK!](https://www.rx8club.com/images/smilies/eek.gif)
I do know that as much as I love the forum, Women are better and I love them expotentionaly more.:D Even if they are more trouble.
![Roll Eyes (Sarcastic)](https://www.rx8club.com/images/smilies/rolleyes.gif)
I bet 44 will be disappointed by that comment though
![Frown](https://www.rx8club.com/images/smilies/frown.gif)
#1211
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Originally Posted by Ajax
So what kind of chassis do you think handles this motor? Because I have one ![Smilie](https://www.rx8club.com/images/smilies/smile.gif)
Wouldn't you love to have that kind of power curve in an RX8? Just cut everything off at 10k RPM.
![Smilie](https://www.rx8club.com/images/smilies/smile.gif)
Wouldn't you love to have that kind of power curve in an RX8? Just cut everything off at 10k RPM.
![Smilie](https://www.rx8club.com/images/smilies/smile.gif)
![Wink](https://www.rx8club.com/images/smilies/wink.gif)
#1213
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Originally Posted by twospoons_
F=ma. If force is the same, acceleration is the same. Hence a flat hps curve will lead to a linear increase in velocity. (If you take air drag out of the equation)
#1214
Registered
it's one of the mods i have in one of my 4 1:10 RC cars.
I think that's the plot for my 8x4 (8 turns 4 winds).. One of the 2 fastest I own.. It will literally tear the tires off the rims if you drive it on pavement.
EDIT: Oh yea, it's running a slipping diff. The whole car is titanium linkages and carbon fiber chassis. Probably weighs about 5lbs with a battery. 0-60 in 1 second :b
I think that's the plot for my 8x4 (8 turns 4 winds).. One of the 2 fastest I own.. It will literally tear the tires off the rims if you drive it on pavement.
EDIT: Oh yea, it's running a slipping diff. The whole car is titanium linkages and carbon fiber chassis. Probably weighs about 5lbs with a battery. 0-60 in 1 second :b
Last edited by Ajax; 02-02-2005 at 02:37 PM.
#1216
Registered
Originally Posted by Richard Paul
Why on that scale would you use titanium? Aluminum is lighter and will be strong enough. It is easier to work with and cheaper.
We don't use anything aluminum that is exposed to stress. My tranny screws are aluminum and some of the standard mount screws are. That's it. Everything else is stronger material.
I don't have any on road vehicles. If I did, I would totally agree with you that aluminum would be the way to go for most of the parts. I dont actually aluminum screws because they wear too much when you do a rebuild. The heads strip far too easily and I like to tear down and rebuild a tranny in a matter of a few seconds.
As far as titanium goes though, I have titanium linkages and kingpins on almost every offroad RC I own. Some of them have more TI than that. Yea, it is expensive, but it's easily justifiable vs the standard parts.
#1219
Registered
Originally Posted by rotarygod
Alot of R/C car chassis are made out of carbon fiber. When I did it as a kid they were graphite chassis but close enough.
As far as websites go, both pro teams losi and associated use carbon fiber for the chassis.
Losi: http://www.teamlosi.com
Associated: http://www.rc10.com
#1222
I know that, I once flew a Formula Atlantic car in Newfoundland, right into a traffic light at about 140 mph. When your driving and you realize that the steering , the brakes, and throttle have no effect on the cars direction, your flying. ![EEK!](https://www.rx8club.com/images/smilies/eek.gif)
And it's probably going to hurt.
![EEK!](https://www.rx8club.com/images/smilies/eek.gif)
And it's probably going to hurt.
![Frown](https://www.rx8club.com/images/smilies/frown.gif)
Last edited by Richard Paul; 02-02-2005 at 08:03 PM.
#1225
Kaiten Kenbu Rokuren
Originally Posted by Richard Paul
I know that, I once flew a Formula Atlantic car in Newfoundland, right into a traffic light at about 140 mph. When your driving and you realize that the steering , the brakes, and throttle have no effect on the cars direction, your flying. ![EEK!](https://www.rx8club.com/images/smilies/eek.gif)
And it's probably going to hurt.![Frown](https://www.rx8club.com/images/smilies/frown.gif)
![EEK!](https://www.rx8club.com/images/smilies/eek.gif)
And it's probably going to hurt.
![Frown](https://www.rx8club.com/images/smilies/frown.gif)
![EEK!](https://www.rx8club.com/images/smilies/eek.gif)