Spinner motors

[fwsorg]

Spinner motors

Having said that, model gas turbines are usually statically balanced, and they run up to about 160,000rpm, so it works, with a little bit of patience. Just a thought

[Guest]

Spinner motors

what do most people use to connect there spinner weapons to there motors? I was thinking of just placing the(thin undercutter)blade directly on the motor.Mainly to save space& up the rpms

[epicentre]

Spinner motors

Most antweight spinners have the disk/blade mounted directly onto the motor output shaft, the only exceptions I can think of are Pixiedust, a FBS that uses a small gearbox to up the torque, Duff (I think) who again has a small gearbox, and Zenith (mine) who uses a 3:1 belt reduction using pulleys and belts from old cd-rom drives.

[cavecrusher]

Spinner motors

and DBA(a.k.a. KillSaw) which uses a 1:3 gear reduction

[epicentre]

Spinner motors

*slaps forehead* How could I forget DBA My apologies, Tim.

[cavecrusher]

Spinner motors

youll pay for that

[Guest]

Spinner motors

ill go direct drive then, that makes it a lot more fun

[glen]

Spinner motors

how does one of those ninco stingers (nc-3 or nc-5) compare to an fa-130 motor (the little blue capped ones you get with the tamiya gearbox kits)?

they are supposed to have twice the torque of two fa-130s combined and im interested in using one in my 450g sozbot, to spin a 150g 90mm disk through a 2:1 belt reduction.

not sure what voltage they run at but i was planning a low voltage like 4.8-6v. reckon a ninco would fit the bill?

[team_ireland]

Spinner motors

on a low voltage you might run into troubles. Stingers etc are designed to run at 14.8v iirc. So on 4.8v you are looking at 32% of there intended voltage.

The standard tamiya motors might be better.
Regards
Ian

[glen]

Spinner motors

ah that could be a problem, can any one recommend a high power motor that runs on ~4.8v and weighs about 50g max?

[cavecrusher]

Spinner motors

a BB280 (54 gr), or a 280 RACE(40 gr)

[Guest]

Spinner motors

if your into home-built stuff, why not check:

http://homepages.enterprise.net/jayjay/cdrom_motors.htmhttp://homepages.enterprise.net/jayjay/cdrom_motors.htm

Brushless motor that gives approx. 5 amps, 24 grams, and almost costs nothing
(except the ESC )
If they can hold 280 gr on half throttle, they should be ok for ants.

EDIT: you can just adjust windings and thickness of wire to get the max. power on 4.8 v.

[RogueTwoRobots]

Spinner motors

I used a motor out of a CD-Rom once, it was slightly different to the one in the link, the one I used was what moved the CD tray in and out, but when I put it into my rather over-weight super-antweight it seemed to provide a helluva lot more torque - or in this case, hitting power - than a standard hobby sized motor. I dont know how handy it would be for antweights but it could be powered off of a 9V battery which saved some space and weight compared to the 6V battery for the hobby motor. Its also quite flat compared to the hobby motor which was useful if the design was particularly slim. Hopefully theyll come in useful to someone

[bugs]

Spinner motors

Ive made an ant with a harddisk motor once:
http://www.bugs.nl/images/Harddrive1.JPGhttp://www.bugs.nl/images/Harddrive1.JPG
http://www.bugs.nl/images/Harddrive2.JPGhttp://www.bugs.nl/images/Harddrive2.JPG
It was withing the weight limit, but no armour or anything. I have to update the micro because I speedhacked the servos and now its uncontrolable.