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-   -   RPM vs Amps graph (https://www.rc-monster.com/forum/showthread.php?t=1401)

poconoblmaxx 10.17.2005 10:33 AM

RPM vs Amps graph
 
1 Attachment(s)
I just got my EagleTree setup and did a few runs yesterday. I thought it would be interesting to log spur gear RPM and pack amps. Its my savage running 16 cells on an 8XL. I still need to figure out how calibrate the rpms so it reads true.
Anyone know how to setup the number of magnets that is being used? I cant find it in the menu.

RC-Monster Mike 10.17.2005 10:29 PM

spur gear rpms can be turned into motor rpms by doing thge math on the pinion/spur ratio.

Dafni 10.18.2005 02:13 AM

Interesting! Say, gives the X axis seconds?

Is this bench testing or straight run?

Serum 10.18.2005 06:21 AM

Yeah, it takes about 2.5 seconds before this monster is at impressive speed..

If you consider using two magnets for the ballance of the spur, i don't know if it's possible to add two.. perhaps some fishlead can offer ballance in the spur.

Darn.. Now I know what my xmass present is going to be..

MetalMan 10.18.2005 09:00 AM

Guys, read this:
http://www.rcgroups.com/forums/showp...24&postcount=1
A smaller version of the original Eagle Tree system that costs less!

poconoblmaxx 10.18.2005 10:29 AM

Quote:

Is this bench testing or straight run?
Its a real run on the street. I hit the "gas" from a dead stop and let her rip.

Quote:

A smaller version of the original Eagle Tree system that costs less!
Figures as soon as I buy mine a cheaper one comes out. :rolleyes:

Serum 10.18.2005 12:33 PM

Metalman!

Great info!

it also comes with the needed cables to measure the Amps/Volts!

GREATGREATGREAT!!

MetalMan 10.18.2005 07:13 PM

I will probably get one too! Then we can all share data with different motor/gearing combinations, and make a nice thread with all of that data! This is what is being done with the numerous Lipo batts over at the RC community of http://www.rcgroups.com , which I frequently visit.


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