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-   -   ElEcTrIc MaYhEm! (https://www.rc-monster.com/forum/showthread.php?t=6552)

bdebde 06.03.2007 01:29 AM

Quote:

Originally Posted by AAngel
I got the name the first time I saw it. I love it.

Also bde happens to be my initials.

Quote:

Originally Posted by qbayle
I had another question for you I just noticed it looks like there is a mount at the back of the motor as well, is that so the can doesn't move from the tourqe or I think I read something about endbells coming off????

Yeah it clamps the endbell as well as supporting the back off that lloonngg motor.

bdebde 06.09.2007 08:03 PM

1 Attachment(s)
Here is an update with the Lehner 1930/8. It weighed nearly 8 lbs with the XL motor, now it is a little over 7.5 lbs. I lost 5 oz. of motor weight and the RC-Monster heatsink. More on the Lehner later (perhaps another thread).

http://www.rc-monster.com/forum/atta...1&d=1181433548

zeropointbug 06.09.2007 10:09 PM

That is one nice system you have there, and who's heatsink is that?

Just a suggestion, what if you moved the MM over a bit more on the one side of the motor, for easier access and cooling?

Also, what BEC is that there? I have never seen that one before.

bdebde 06.09.2007 10:37 PM

Heatsink is just a cheap Integy clip on.

Didn't want the mamba mounted on the dirt guard, still undecided if I like the arrangement. In fact, I removed the fan I had on it to put it there. I will have to see how hot it will get with this motor (should be less than with the XL).

BEC is Dimension Engineering ParkBEC 6v.

zeropointbug 06.09.2007 10:59 PM

ICIC, how many Kv is the motor?

That parkBEC is small, wow. Looks like it at least has some caps on it, some good ones too.

bdebde 06.09.2007 11:20 PM

Motor is 1930/8, 2613kv

ParkBEC

AAngel 06.10.2007 01:55 AM

Bruce, I didn't like having the MM on the chassis either. I took some 1/2" aluminum rod and cut them about 1.75" long (or whatever works for you) and then drilled and tapped 5mm holes on one end and 4mm holes on the other. I used the 5mm holes to mount the rods to two of the existing motor mount holes. I then cut a 1/8" thick piece of aluminum plate that would accommodate the MM and punch two holes into it and screwed the plate to the rods and then used some good servo tape to stick the MM to the plate. it all looked like this...

http://i154.photobucket.com/albums/s...r/DSCF0243.jpg

Sorry, but that's the only pic I had of my Turmoil showing the MM mount.

I think that my standoffs were a bit long. You only have to make sure that the plate clears the chassis brace and drive shaft.

bdebde 06.10.2007 02:17 AM

Quote:

Originally Posted by AAngel
Bruce, I didn't like having the MM on the chassis either. I took some 1/2" aluminum rod and cut them about 1.75" long (or whatever works for you) and then drilled and tapped 5mm holes on one end and 4mm holes on the other. I used the 5mm holes to mount the rods to two of the existing motor mount holes. I then cut a 1/8" thick piece of aluminum plate that would accommodate the MM and punch two holes into it and screwed the plate to the rods and then used some good servo tape to stick the MM to the plate. it all looked like this...
Sorry, but that's the only pic I had of my Turmoil showing the MM mount.

I think that my standoffs were a bit long. You only have to make sure that the plate clears the chassis brace and drive shaft.

I even have some of the upper deck stand offs, that should work. Thanks for the idea Tony!

AAngel 06.10.2007 02:26 AM

Good deal. If it turns out that they aren't long enough and you don't want to or can't work with aluminum rod, you could also use delrin rod. It's really easy to work with and is tough and LIGHT. I order stuff that I need quick from onlinemetals. They aren't the cheapest, but they will cut to order and ship pretty quickly.

bdebde 06.10.2007 02:31 AM

I got a couple of chunks of AL rod around, but the stand offs would look better IMO.

AAngel 06.10.2007 03:09 AM

I'm sure they will, since they'll have that factory look to them. I'm just fortunate in that I have some machine equipment left over from my last hobby that survived Katrina. It's nice having a metal lathe. I would have prefered that my lathe had drowned and my mill survived, but I have what I have. LOL.

These days, most things that I make are round.

bdebde 06.10.2007 01:02 PM

I wish i had machine equipment, a milling machine and lathe would be awesome. I have to rough it, with drill press.

zeropointbug 06.10.2007 01:14 PM

Does anyone know of a cheap 'benchtop' CNC machine? That would be perfect for this type of stuff (RC). I would be really interested in checking them out.

bdebde 06.10.2007 01:16 PM

I have seen them on ebay from time to time.

AAngel 06.10.2007 03:18 PM

Guys, if you've never done any sort of machine work, you may have the wrong idea about what is needed. I know that CNC is nice, in that you can draw something out and they just feed it into the machine, but I've done lots of work on a cheapie $350, made in China milling machine. Most of what we might do for our own purposes and one shot deals. We might make one or two of them. Most things are so simple to turn out that they don't need drawing up.

I do most of my work on the fly. When I start, I have a pretty good idea of what I need in my head, and I just mount the stock and remove everything that I don't need to be there.

Most of the smaller manual machines are really easy to operate and tooling for them is relatively inexpensive. Go and check out and be sure to also follow the link to minimill.com

You also have to take a look at littlemachineshop.com

My point is this. With what we spend on batteries, speed controllers, and motors, a mill is a small investment. If you are at all mechanically inclined, you should get a mill and just get rolling. I believe people doing this could only promote the hobby. It also gives you a feeling of self satisfaction when you do it yourself.


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