Recent content by onedaysnotice

I've got a pendulum practical assessment to do tomorrow and I want to prepare for it as much as I can. I've already practiced for setting up the equipment properly and performing it and stuff like that. So now, I want to prepare answers for all possible questions I can be asked at the writing...

ITS ALIIVVVVEEEE! :DDDDD ...although I've only tested it with perma mags xD I have yet to complete my electromagnet 8D

Thanks :D What formula are you using?

Okay I'm officially confused xD What do you mean by 'two arcs?' [EDIT: Oh do you mean the electromagnets?] :S The coils weren't completed in the picture, and the commutator is supposed to be on the empty right hand side of the dowel, if that solves anything xD I can always centre/shrink my...

Umm this guy can explain it heaps better than me xD Go to 4:39

No I am not trying to levitate the armature LOL. It'll be suspended via wooden blocks with a hole drilled through each of them for the axle. I also think you misinterpreted the (makeshift) diagram. The underscores are not part of the metal sheet, just something I used to make the lines line...

lolwut. O.O

WELL.. umm...ummm..The shaped galvabond sheets encompassing the armature are supposed to act like radial electromagnets. The steel hangers lined on the sheet and wrapped with the copper wire are supposed to act like an iron core (since the galvabond is being a bastard =_=). Therefore, the...

By 'run continuously' it means runs for two minutes, without load. Well I've already started my first model, sooo if I have time, I'll try to make a much smaller one :D Yeah, I'm probably waayyyy overthinking this XD My only wish is that this runs on at least 5 volts, so at least its only one...

xD my armature is massive LOL

Ah heck, I'll just work with whatever I've got xD wish me luck! :D

It's for my assignment for physics. On the criteria it says: Performance Starting the motor -Electric motor is self-starting on 2-12V and can run continuously on 2-12V - 5 marks -Electric motor is self-starting on 6-12V and can run on 6-12V - 4 marks -Electric motor is self-starting and can...

Yeah it is very large...the main reason for that is because the bolts I got from bunnings were too large xD So the answer is less coils but lighter weight is better? Oooooft. the wires I got were 0.25mm and 0.4mm diameter magnet wires. Btw, this is my current design: For full res...

Yes for full marks, the motor must be able to run smoothly on 2V. I have not built the motor yet (the reason I'm asking all these questions is so that I don't have to rebuild it and use up more of my parent's money). However, the projected size of the armature as of now, is about 9-11cm in...

Oh yeah, as a side question, would a lighter armature with less turns be better than a heavier one with more coils on 2-12V?