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| Blade 400 Blade Helicopters (eFlite) 400 Helicopters |
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05-04-2012, 12:44 PM
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#1 (permalink) |
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Registered Users
Join Date: Sep 2009
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blade 400 main gear
My hobby shop is out of blade 400 main gears.Will any other brand fit the Blade 400?, such as Esky or Align?
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05-04-2012, 05:16 PM
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#2 (permalink) |
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Registered Users
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Esky King 3 main gear should work. I've used a B400 main gear on the Esky K3 before. Don't see why it wouldn't work the other way around. But good luck finding Esky at a LHS.
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Trex 500-3226-1600, 14T, Koby 90LV, HS-5245MG, DS655, AR7200BX, DFC Trex 450 Sport-2221-8, 15T, CC Edge 50 Lite, HS-5065MG, HSG-5084MG, AR7200BX, DFC DX8 |
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05-04-2012, 05:44 PM
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#3 (permalink) |
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Registered Users
Join Date: Jan 2009
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It does not look much like a Trex gear. I would just order one form Helidirect or the such. Throw in a few spare parts to make it worth shipping. You will have your new parts in a week. I like having some spare parts on hand anyway.
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Gaui Hurricane w/ 530mm blades & Robird G31  Walkera Super CP Walkera Devo 10 w/ Deviation |
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05-04-2012, 05:53 PM
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#4 (permalink) |
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Registered Users
Join Date: Apr 2012
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i beleive the blade 450 main gear fits but check out the blade 400 sub forum
https://www.helifreak.com/forumdisplay.php?f=98
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MCX2,NanoCPX,MCPX V2,NanoCPS V2,MCPS, 130X,Trio 180 CFX,70S,230S V2,450Xx2 230S Smart,150S,DX8,NX8 
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05-05-2012, 03:39 PM
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#5 (permalink) |
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Registered Users
Join Date: Jul 2010
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Yes, the B450 gear will fit, but you also need its new center hub to pull it off. You are stuck here as far as I know. Either pick up new B400 gears or upgrade to the microheli version. Which is superior in a half dozen different ways btw.
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If it can be done wrong, I will find a way to excel at it. |
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05-05-2012, 03:47 PM
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#6 (permalink) |
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Registered Users
Join Date: Sep 2011
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I use a blade 400 main gear on my esky belt cpx. It has the same tooth count, and is a direct fit for the esky. Maybe it will work the other way around. Be aware though, the esky main gear is replaced by many for a reason: it strips very easily.
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// T-Rex 600EFL Pro 3GX // T-Rex 450 Pro V2 3GX // T-Rex 250 Pro DFC 3GX // // Walkera V120D02-S (x2) // Walkera V120D02 // Walkera Genius CP (x3) // // EFlite Blade MCPX (x2) // EFlite Blade 120SR // E-Sky Belt CPX // // WK2801 // Spektrum DX4e // |
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05-05-2012, 05:30 PM
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#7 (permalink) |
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Registered Users
Join Date: Jul 2010
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Yeah, but has anyone ever seen a local HS that carries Esky parts? Not me.
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If it can be done wrong, I will find a way to excel at it. |
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05-05-2012, 07:40 PM
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#8 (permalink) |
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Join Date: Jun 2008
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I'll send you a PM about B400 main gears I have, might help.
Mike |
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05-08-2012, 07:32 PM
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#9 (permalink) |
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Registered Users
Thread Starter
Join Date: Sep 2009
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one way installation
How does one go about installing the one way bearing into the main gear? Lub,heat, whats the trick?
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05-08-2012, 07:49 PM
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#10 (permalink) |
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Registered Users
Join Date: Feb 2010
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What heli? On the trex 450s it is a press fit..A small vice works well..
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700 class nitro,2X 600class electric,2X 450class,250 class,130 class,a few mcpx class(  ).Dx-7.All helis fbl...If I had a dollar for every dollar I've spent on heli's ...I would break even..Who is John Galt? |
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05-08-2012, 07:56 PM
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#11 (permalink) |
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Registered Users
Join Date: Dec 2011
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This tool, and a bench vice will remove,and install one way bearings. ,http://helidirect.com/align-one-way-...elis-p-408.hdx
So will the correct size sockets.
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Raptor 50 OS50 Hyper, Futaba 520 Spektrum DX8 G2 T-Rex 500 ESP fbl Ikon2 mini |
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05-08-2012, 08:04 PM
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#12 (permalink) |
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Registered Users
Join Date: Dec 2011
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A little hard to explain. Place the main gear in the bench vice. Use the appropriate
driver/socket to press the outer race of the bearing into a receiver socket/tool of slightly larger diameter. This is the same procedure for most one way bearings.
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Raptor 50 OS50 Hyper, Futaba 520 Spektrum DX8 G2 T-Rex 500 ESP fbl Ikon2 mini |
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05-08-2012, 08:11 PM
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#13 (permalink) |
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Registered Users
Join Date: Dec 2011
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Installation is the same, except no drivers are needed. Simply press the OWB into the
gear until flush.
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Raptor 50 OS50 Hyper, Futaba 520 Spektrum DX8 G2 T-Rex 500 ESP fbl Ikon2 mini |
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05-08-2012, 08:52 PM
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#14 (permalink) |
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Registered Users
Join Date: Nov 2008
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Here is what I came up with to change out the OWB on my Outrage 550. When you learn to fly CP helis with a Belt CP you learn a couple of tricks. This will work for any heli, just need to size the pieces correctly. About 10 minutes in a home improvement store with the center hub and I was ready to go.
https://www.helifreak.com/showthread.php?t=334104
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Paul Agile 5.5 - Q 4125-1100, YEP 120, Brain2 HD FBL / Outrage 550 - HK4020-1390, Edge 120, Brain2 HD Rave Ballistic FSO - Q 4530-500, Edge 160HV, Brain2 HD / Protos Max V2 - MSH 4530-500, Edge 160HV, Brain2 HD |
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05-08-2012, 09:17 PM
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#15 (permalink) |
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Registered Users
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put your heli(s) in your signature. It just makes life easier for everyone
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"It's not just a hobby... it's a lifestyle" - Pete ϟ MINNESOTA! Goblin 500 + 700 / SK540 / Jives / DX8 / Quantum / RJX servos / 306b / Deep cycles |
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05-09-2012, 12:07 PM
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#16 (permalink) |
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Registered Users
Thread Starter
Join Date: Sep 2009
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one way
Thanks everyone.
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Blade 300 CFX, nano cpx , mcpx bl, dx6, |
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05-18-2012, 01:58 PM
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#17 (permalink) |
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Registered Users
Thread Starter
Join Date: Sep 2009
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gear problem
I installed a new main gear on my blade 400.All was well, gear mesh was perfect, so I took her out and within 1 min. I noticed heli was acting funny.It was like the main gear and tail gear fused together.I cuold not manually spin main or tail gear and after a few minutes of trying they let go and spun normally.So I put motor back on and went to fly again and same thing happened.Any ideas? I have rebuilt heli quite a few times and gear is not upside down or anything else like that.Maybe a bad one way bearing?I'm stumped.
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Blade 300 CFX, nano cpx , mcpx bl, dx6, |
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05-18-2012, 04:57 PM
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#18 (permalink) |
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Registered Users
Join Date: Jan 2009
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Sounds like a one way bearing to me.
__________________
Gaui Hurricane w/ 530mm blades & Robird G31 Walkera Super CP Walkera Devo 10 w/ Deviation |
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05-21-2012, 02:05 PM
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#19 (permalink) |
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Registered Users
Thread Starter
Join Date: Sep 2009
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main gear woes
I bought a new main gear with one way bearing for my blade 400.I could tell something wasn't right and it appears the oneway bearing isn't seated properly and therefore it is not spinning true.Is it possible to fix this or should I return it to place of purchase?
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Blade 300 CFX, nano cpx , mcpx bl, dx6, |
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05-21-2012, 04:13 PM
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#20 (permalink) |
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Registered Users
Join Date: Aug 2010
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I'd say return it.
I am not familiar with that maingear setup, but the one-way bearing is pretty sensitive to how it is mounted in the hub. In other words, you can damage the one-way if you over compress it in getting it into the hub. At least I was able to damage mine when I tried to get a new one into an Align 250 SE hub  . I just buy the entire setup now! |
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