HobbyKing.com New Products Flash Sale
Closed Thread
Thread Tools
Old Dec 03, 2011, 06:25 PM
Suspended Account
United States, FL, Pompano Beach
Joined Oct 2011
1,425 Posts
Discussion
Rocket 2506

Even though I need to build some more test equipment, I could'nt restist beginning my next motor. I purchased this Rocket 2506 on some site years ago to satisify free shipping. The instruction sheet has a web site that dose not work, www.stuffwelike.net.
I've uploaded some pics but will have to text and spec's on my next post, duty calls.
zeroback is offline Find More Posts by zeroback
Last edited by zeroback; Dec 04, 2011 at 06:43 PM.
Sign up now
to remove ads between posts
Old Dec 04, 2011, 02:39 PM
Registered User
flydiver's Avatar
United States, WA, Seattle
Joined Jan 2007
5,237 Posts
Are there only 3 stator laminations?
You sure filled it with copper. Let us know how it runs.
flydiver is offline Find More Posts by flydiver
Old Dec 04, 2011, 04:33 PM
Registered User
lectroglide's Avatar
United States, WA, Puyallup
Joined Aug 2006
2,210 Posts
with the 3 pair of wire together looks like a delta, or are they not seperated...oppsss just now seen the bundle
lectroglide is offline Find More Posts by lectroglide
Last edited by lectroglide; Dec 04, 2011 at 10:25 PM.
Old Dec 04, 2011, 04:37 PM
Registered User
lectroglide's Avatar
United States, WA, Puyallup
Joined Aug 2006
2,210 Posts
Quote:
Originally Posted by flydiver View Post
Are there only 3 stator laminations?
You sure filled it with copper. Let us know how it runs.
looks like 3 seperate thick stators
lectroglide is offline Find More Posts by lectroglide
Old Dec 04, 2011, 04:49 PM
Registered User
flydiver's Avatar
United States, WA, Seattle
Joined Jan 2007
5,237 Posts
Looks delta terminated to me - I see 3 pairs of wires and no 'Y-bundle'.

How many turns?
flydiver is offline Find More Posts by flydiver
Old Dec 04, 2011, 06:03 PM
Suspended Account
United States, FL, Pompano Beach
Joined Oct 2011
1,425 Posts
Drats!! 20 min worth info lost in IE failer. OK, again. The stator assy consists of 3 stator frames that have about nine or ten layers. It measures .991"/25.17mmX.250"/6.35mm.
zeroback is offline Find More Posts by zeroback
Old Dec 04, 2011, 06:07 PM
Suspended Account
United States, FL, Pompano Beach
Joined Oct 2011
1,425 Posts
Wye connected with 2 parallel wire per phase.
zeroback is offline Find More Posts by zeroback
Old Dec 04, 2011, 06:14 PM
Jack
USA, ME, Ellsworth
Joined May 2008
16,923 Posts
OK, that would make for material that is about 0.20mm or so, that is not too far off of the state of the art or as good as it gets or something like that.

Did you coat the stator or were they pre-coated like that? I ask because there is a perpetual quest ongoing here to find good materials for recoating stators with.

flydiver,

The motor leads are resting on the "Y" bundle, it is on black heat shrink.

Jack
jackerbes is offline Find More Posts by jackerbes
Old Dec 04, 2011, 06:15 PM
Suspended Account
United States, FL, Pompano Beach
Joined Oct 2011
1,425 Posts
The motor mount supplied with the motor dose not fit. Disapointing... have to stop and make one.
zeroback is offline Find More Posts by zeroback
Old Dec 04, 2011, 06:22 PM
Jack
USA, ME, Ellsworth
Joined May 2008
16,923 Posts
If the two screws are in they will be enough to hold it. The screws need to be short enough so they don't hit the windings.

The more or less standard patterns for the mounts are 16mm x 19mm, 19mm x 19mm, 25mm x 25mm, and 30mm x 30mm so far I think. There may be some others too...

If your mount is the 16mm x 19mm the motor must be 16mm x 16mm. I would just slot the holes a little if I felt I needed four screws and then use pan head screws with flat washers under them.

Jack
jackerbes is offline Find More Posts by jackerbes
Old Dec 04, 2011, 06:25 PM
Suspended Account
United States, FL, Pompano Beach
Joined Oct 2011
1,425 Posts
The laminated frames arrived coated. Coating....something new to think about.
I'm on a quest for torque, it's all about the size, of the prop... at least for now. Will post some data after I make a mount and get it running.
zeroback is offline Find More Posts by zeroback
Old Dec 04, 2011, 06:34 PM
Suspended Account
United States, FL, Pompano Beach
Joined Oct 2011
1,425 Posts
My dilemma with the mount beyond only two motor mount screws is I don't think it sticks out beyond the housing far enough to mount to the airframe. Yes, thanks for the caution on the screw length. I anticipate about 300 watts, I've seen motors of this power run on two screws over many flights and eventually fail, harmonics, vibration shock from landing .
zeroback is offline Find More Posts by zeroback
Old Dec 04, 2011, 06:51 PM
Jack
USA, ME, Ellsworth
Joined May 2008
16,923 Posts
Does that motor (fully wound stator, magnet housing, and magnets) weight 100 grams or more? If it does, you may have be able to get 300 watts out of it. 3 Watts per gram is typical for these kinds of motors.

Jack
jackerbes is offline Find More Posts by jackerbes
Old Dec 04, 2011, 09:03 PM
Suspended Account
United States, FL, Pompano Beach
Joined Oct 2011
1,425 Posts
weight is about 60g. Haven't heard that relationship. When I get the mount built I can start testing, the watt number is stated by the manufacturer.
zeroback is offline Find More Posts by zeroback
Old Dec 04, 2011, 09:08 PM
Suspended Account
United States, FL, Pompano Beach
Joined Oct 2011
1,425 Posts
I just checked the first motor I wound. 3.01 watts per gram is exactly correct. So a more realistic expection is about 180 watts for this motor.
Is there a way to make a lighter motor? say 2g per watt?
zeroback is offline Find More Posts by zeroback
Closed Thread


Thread Tools

Similar Threads
Category Thread Thread Starter Forum Replies Last Post
Sold ROCKET 2506 - 277 watt DIY Brushless Kits punkindrublik Aircraft - Electric - Power Systems (FS/W) 1 May 20, 2007 11:28 AM
Sold ROCKET 2506 DIY Brushless Kit - 270 watts! punkindrublik Aircraft - Electric - Power Systems (FS/W) 5 Jul 22, 2006 05:39 PM
Sold Rocket 2506 DLRK! MartinChou Aircraft - Electric - Power Systems (FS/W) 6 Mar 28, 2006 11:05 PM
Discussion Rocket 2506 DIY Brushless Kit PerfectStranger Power Systems 23 Mar 25, 2006 01:13 PM
Question Rocket 2506 Winds? Gregg28 Electric Motor Design and Construction 7 Mar 11, 2006 11:15 PM