RE: AXI 4130 w/Jeti 77esc?  
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All Forums >> Electric Aircraft Universe >> Glow to Electric Conversions >> RE: AXI 4130 w/Jeti 77esc?
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RE: AXI 4130 w/Jeti 77esc? - 7/14/2005 8:24:18 PM   
tahustvedt



Posts: 402
Joined: 1/28/2004
From: Bardufoss, NORWAY
Status: offline 		I'm using a 4130/20 in a Seagull Edge 540 (made for 61-91 2s or 91-120 4s) with an APC 17x10E prop, 8S1P PolyQuest 4000 battery and Hacker Opto 77 and the performance is great for 15 minutes. The motor is able to put out the same power as a 90-100 2-stroke safely, but with a bigger prop. I read on another forum that Model Motors has said the max power input for this motor is 1500 W. I often fly with a digital video camera on board and with the camera it weighs ~9.1 lbs. Here's a couple of on-board videos from the plane:
http://www.enrarot.net/videos/edge540/obedge03.zip
http://www.enrarot.net/videos/edge540/obedge04.zip

I'm looking for a new plane for the power setup now. currently I have my eyes on a Great Planes Stearman or Super Stearman.

(in reply to altacom)
       Post #: 26

RE: AXI 4130 w/Jeti 77esc? - 7/24/2005 12:17:39 AM   
Constrictor



Posts: 848
Joined: 7/2/2002
From: Marionville, MO, USA
Status: offline 		Ok i've got a question about Amps, lets say your running this motor on 8s2p pack, if you decide to drop down to a 7s2p pack with the same prop, will the amps load go up or down?

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OMP Distributor

(in reply to altacom)
       Post #: 27

RE: AXI 4130 w/Jeti 77esc? - 7/24/2005 2:37:25 AM   
altacom



Posts: 482
Joined: 1/9/2005
From: Enumclaw, WA, USA
Status: offline 		In theory the AMPS should go down. I just went the other way on my new Sportsman Aviation Paramount 46.

Using a AXI 2826/10 motor, I started out with a 3S-2P (11.1 Volts) pack and the amps were in the range of 40 to 42 Amps with a 14 inch prop and RPM was 8200. It flew, but was a bit sluggish.

Upgrading it to a 4S-2P (14.8 Volts) pack and the same prop, it went up to 52-54 Amps, and RPM in the range of 9500 RPM. Both the voltage and the currrent increased. The motor would probably fry if I left it in this configuration, but for a short life of the motor it would have been awsome.

I've settled on a 4S-2P 5000 MAH Duralite Pack, swinging a 13 inch prop, now Amperage is in the 45-48 amp range, and the RPM is around 8500 RPM. Well within the rating of the motor. Weight is 82 oz, and static thrust is 107 oz. This gives a static thrust of 130%. I Dont do 3D, so it works for me. Havent flown in this configuration yet, but expect a performance increase overall.

These are static bench tests, so in flight the current draw will drop about 10%, and the RPM will increase as the prop unloads. Always a good thing to keep in mind.

(in reply to Constrictor)
       Post #: 28

RE: AXI 4130 w/Jeti 77esc? - 7/24/2005 6:43:26 PM   
dmgadway


 

Posts: 35
Joined: 9/24/2003
From: Norwood, NY, USA
Status: offline 		Does anyone know why the Advanced 77 opto is recommended for the 4130/16 over the advanced 70 opto controller? I know the 77 can handle 10 lipos versus the 70's 6 lipo specs, but it seems most use 6 lipo cells with the 4130/16. Is there any problem using the advanced 70 with the 4130/16 and a 6s lipo pack? It's about 50$ less than the advanced 77 opto.

(in reply to altacom)
       Post #: 29

RE: AXI 4130 w/Jeti 77esc? - 11/17/2005 3:14:23 AM   
red_z06



Posts: 512
Joined: 6/30/2003
From: Dumont, NJ, USA
Status: offline 		dmgadway

If you are certain that you will not use anything above 6cell lipo then 70 opto should be more than adaquate. However, 77 opto gives you much more flexibility when you want to go more. I have use 4130/16 in various configurations, hobbistar 60 with phoenix 80 with apc 14x12 6cell, 15x10 ucando3d with jeti 77 apc 16x10 6cell, little toni with jeti 77 apc 12x10 9cell. If you want to increase flying speed using 4130/16, u will have to increase number of cells and decrease prop diameter. With 70 opto, u do not have that option later.

If you are considering jeti 77, you should also look at castle phoenix 85 hv for about same $.




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Plank Pilot Hooked on Shankbones.

(in reply to dmgadway)
       Post #: 30

RE: AXI 4130 w/Jeti 77esc? - 11/17/2005 3:25:35 AM   
altacom



Posts: 482
Joined: 1/9/2005
From: Enumclaw, WA, USA
Status: offline 		It has been my experience that the larger the Speed control, the better chance of no problems with it. Trying to stay right at the max current you expect to draw can cause problems. And the small weight savings on the planes where you use these packs and speed controls is pretty insignifigant.

One of our members had a 40 size 3D plane (forget the name of the plane) actually go up in flames when he was hovering and using the pack and Speed Control right at its rating. Wish I were there to see it. He said it was the speed control that burned up and got it going.

For Example I'm using a Castle Creations 80 on my latest Ultra RC Yak 54. The max current it is using is Static 60 Amps, I consider that extra 20 AMPS as insurance. I'm using a 4S-2P 6000 MAH pack, but once in the air using only 1/2 throttle, it won't get abused.

Especially after the prop unloads and the current goes down, and the RPM increases.

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< Message edited by altacom -- 11/17/2005 3:28:39 AM >

(in reply to red_z06)
       Post #: 31

RE: AXI 4130 w/Jeti 77esc? - 11/17/2005 5:21:29 AM   
FlyinTango


 

Posts: 37
Joined: 9/13/2004
From: Shelley, ID, USA
Status: offline 		I would gladly pay $50.00 more for the Jeti 77 Opto and not look back! All my larger planes use the AXi 4130/16 with the Jeti 77 Opto Advance Speed Controller. At my elevation of about 4,500 to 5,000 feet, I use a 3-blade 16x10 prop and it gives me 54 amps at full throttle with a 6s4p 9800 mah Tanic Pack.

I smoked a Castle Creations 60 amp controller with the above set up and since I went to the Jeti 77 Opto Advance, I have had absolutely no problem. I might someday try the Castle Creations 85 amp controller, but for now, I'm a Jeti man.

Remember: When your speed controller goes, it can take out a lot more than $50.00 worth of equipment...and that's if you DON'T crash your plane.

Have fun with it and always go larger on your speed controller than what your motor could ever put out.

Keep the sun on your shoulders and the wind under your wings.

Flyin' Tango

(in reply to altacom)
       Post #: 32

RE: AXI 4130 w/Jeti 77esc? - 11/17/2005 5:47:11 AM   
altacom



Posts: 482
Joined: 1/9/2005
From: Enumclaw, WA, USA
Status: offline 		Here are the Specs for the Ultra RC Yak conversion in the above Post


AXI 4120/14 Motor
APC 16/8 E Prop
Castle Creations Phoenix 80 Speed Control
Dymond Modelsports 4S-2P 6000MAH Battery
FMA FS8 Receiver
FMA Power Force Votage Regulator
Hitec Optic 6 Transmitter
4 HS 645MG Servos

Static Weight 107 Oz.
Static Thrust 109 Oz
Static Watts 730
Watts/Lb 109
Static Current 55 Amps

(in reply to FlyinTango)
       Post #: 33

RE: AXI 4130 w/Jeti 77esc? - 9/15/2007 10:37:40 PM   
algaston


 

Posts: 15
Joined: 9/15/2007
From: eagan, MN, USA
Status: offline 		John, I have that exact set-up in a fliton extra 330. I'm running 2 3300's in series. The batteries will run you $110 each. The plane flies great! Alot of guys comment on how good it flies. The batteries were not cooling enough so I cut cooling holes in the firewall,(careful), made the bottom of the battery tray out of heavy screen and cut 2 large holes in the bottom of the fuse. It's working! It is a blast to fly! The landing gear are a little short for the 17-10 apc prop. It isn't a major problem, but another inch or two of clearance would be nice. I'm currently looking for a taller set. Do you or anyone else know where I can find a taller set?

< Message edited by algaston -- 9/15/2007 10:39:55 PM >

(in reply to jbflier)
       Post #: 34

RE: AXI 4130 w/Jeti 77esc? - 9/16/2007 1:10:44 AM   
altacom



Posts: 482
Joined: 1/9/2005
From: Enumclaw, WA, USA
Status: offline 		Hi Guys:

I am now flying the same setup in a Hyperion Yak 54, 54" winspan, 4.8 Lbs. I'm only using 1 4000MAH pack, 20C and it comes down motor, ESC and battery just barely warm after 8-10 minutes flight time.

The only change is the Optic 6 has been replaced with a Futaba 9C and XPS 2.4 GHZ Module and receiver. It's an awsome plane, and the 2.4 system is really a great addition. The plane responds like I'm sitting in it.

I get my batteries direct from China, and pay about half the retail here in the states. Even after shipping. Just have to buy in bulk to get them.

(in reply to algaston)
       Post #: 35

RE: AXI 4130 w/Jeti 77esc? - 2/24/2008 8:19:48 PM   
jwroot


 

Posts: 7
Joined: 11/15/2006
From: san jose, CA, USA
Status: offline
quote:

ORIGINAL: altacom

It has been my experience that the larger the Speed control, the better chance of no problems with it. Trying to stay right at the max current you expect to draw can cause problems. And the small weight savings on the planes where you use these packs and speed controls is pretty insignifigant.

One of our members had a 40 size 3D plane (forget the name of the plane) actually go up in flames when he was hovering and using the pack and Speed Control right at its rating. Wish I were there to see it. He said it was the speed control that burned up and got it going.

For Example I'm using a Castle Creations 80 on my latest Ultra RC Yak 54. The max current it is using is Static 60 Amps, I consider that extra 20 AMPS as insurance. I'm using a 4S-2P 6000 MAH pack, but once in the air using only 1/2 throttle, it won't get abused.

Especially after the prop unloads and the current goes down, and the RPM increases.



I have the same plane made by CMP and have installed a AXI 4130/20 with an OPTO77 and was wondering what size prop and battery will I need. Hobby-Lobby shows a 18.5x12 with a 6s lipo or a 16x10 with a 8s. I don't plane on doing any 3D but would like some step climbs. Any ideas??

(in reply to altacom)
       Post #: 36

RE: AXI 4130 w/Jeti 77esc? - 2/24/2008 10:04:34 PM   
altacom



Posts: 482
Joined: 1/9/2005
From: Enumclaw, WA, USA
Status: offline 		I'm using the 4130/16 on a 72" QuiQue" Yak 54. I'm using a Jeti 90 AMP Speed control, swinging a APC 18/8E prop. Draws 55 Amps WOT on a Duralite 6S 5000 MAH 20C Pack. Comes down with the batteries barely warm. Flies most of the flight at half throttle with average AMPS of 32-35. A very efficient package. Plane weight is 168 ounces, and the motor is developing 190 ounces of thrust.

So you should be in good shape with what you are proposing.

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< Message edited by altacom -- 2/24/2008 10:17:31 PM >

(in reply to jwroot)
       Post #: 37

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