RE: AXI 5330 F3A - Loose Magnets  
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All Forums >> Electric Aircraft Universe >> Electric Pattern Aircraft >> RE: AXI 5330 F3A - Loose Magnets
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RE: AXI 5330 F3A - Loose Magnets - 5/12/2008 2:51:10 AM   
jbudd



Posts: 42
Joined: 12/6/2002
From: Quartz Hill, CA, USA
Status: offline
quote:

ORIGINAL: mups53

Does anyone know how the magnets in these motors are attached? Maybe they need a better way. Mike

Hey Mike,

The ones in my DualSky 6360-11T that came loose and ruptured the case were glued in (or maybe the case split apart causing the magnets to come loose?). Anyway, there were magnets everywhere inside the fuselage when I landed. On the 6360 the magnets are keyed in place by the shape of the inside of the rotor case, and held in place by some type of adhesive. There's no way they can slip laterally, but if the adhesive lets go, they can certainly lift up and bind in between the rotating parts causing a mess.


_____________________________

Thx, Jerry

(in reply to mups53)
       Post #: 26

RE: AXI 5330 F3A - Loose Magnets - 5/12/2008 4:06:31 AM   
woodie


 

Posts: 291
Joined: 6/10/2002
From: Placerville, CA, USA
Status: offline 		The AXIs are glued in similar to the Dualsky, except there is no retaining slot for one end of the magnet to slip into. I think it is some sort of high temp epoxy used for gluing in the magnets.

Woodie

(in reply to jbudd)
       Post #: 27

RE: AXI 5330 F3A - Loose Magnets - 5/14/2008 5:55:46 PM   
DaveL322


 

Posts: 64
Joined: 7/9/2004
From: Medford, NJ, USA
Status: offline 		Did some checking on my records....

My original A60-20S (version 1) went 280 flights and never left the plane. It was replaced with the V2, which now has 350 flights on it. With 18.1x11 and Prolite 5300s (and CC85HV on low timing), I typically see ~73 amps on the ground, and ~70 in the air, and ~7500 RPM. Using about 3000-3500 mah per flight, depending on schedule and weather. This setup in my Prestige was 10 lbs even at the 2007 NATs. The hottest I've ever seen the motor (after a big 4500 mah PO7 in crazy wind) was 145F.

I've done a little bit of playing with an A60-16M (same plane and setup, save using a 20x15E). Ground amps ~85, in air ~72 (big time unloading), ~6200 RPM. Using slightly more mah per flight - 3300-3800. I think this setup is about 10 lbs 6 oz (including almost 2 oz of tailweight to balance the bigger motor).

Regards,

Dave



quote:

ORIGINAL: ual767

I ran the A60 20S. This is the same motor as Dave L. runs. You need a pretty light airframe to fly the higher classes with it. Axi F3A motor has more power for sure. I think Jim O. (OHD) ran the A60 20m for a little and may chime in with some performance info. The only issue with the A60's is that you have to mount it to the nose then make some bearing and support for the rear of the motor.

As far as the Axi, call Hobby Lobby anyways since they are the importer. I doubt they will say too bad since Esprit probably bought it from them in the first place.

I have a Pletty coming this week and should have some time to fly it shortly.


(in reply to ual767)
       Post #: 28

RE: AXI 5330 F3A - Loose Magnets - 5/14/2008 6:17:06 PM   
mups53


 

Posts: 1079
Joined: 1/15/2002
From: Hoffman Estates, IL, USA
Status: offline 		Dave is the Hacker nose mounted? If so do you support the back of it? Also do you have a link to a vendor on it? Thanks, Mike

(in reply to DaveL322)
       Post #: 29

RE: AXI 5330 F3A - Loose Magnets - 5/15/2008 6:39:58 PM   
DaveL322


 

Posts: 64
Joined: 7/9/2004
From: Medford, NJ, USA
Status: offline 		Mike,

Yes, I mount the A60 on the nosering and use an aft support (not much different than a gearbox motor). My A60s have come direct from Hacker USA. I believe Tanic and NESail also carry the motors.

Dave

(in reply to mups53)
       Post #: 30

RE: AXI 5330 F3A - Loose Magnets - 5/18/2008 3:40:01 PM   
byoung466



Posts: 470
Joined: 7/12/2002
From: tulsa, OK, USA
Status: offline
quote:

ORIGINAL: woodie

The AXIs are glued in similar to the Dualsky, except there is no retaining slot for one end of the magnet to slip into. I think it is some sort of high temp epoxy used for gluing in the magnets.

Woodie

The AXI also has slots on one end that the magnets fit to.

_____________________________

Brian

(in reply to woodie)
       Post #: 31

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