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2.4G JR Radios JR 2.4 Gigahertz Radios and Technology |
View Poll Results: Did your X9303 have wire chafing inside upon inspection | |||
Yes - My X9303 had a chafed wire | 104 | 49.52% | |
No - My X9303 had NO chafing and was fine | 106 | 50.48% | |
Voters: 210. You may not vote on this poll |
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08-22-2008, 11:09 PM | #41 (permalink) |
HF Support
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Just got my boxes I shipped back from IRCHA. Popped open my X9303 and was pleased to see very little chafing. Insulation was still instact, but you can clearly see some damage on the black and blue wires. I put a blob of goop on either side of the wire bundle where it slides through the gimbal and worked it back and forth to fill the hole with goop, then radiused both the gimbal bearing block and voltage regulator. The wire hold down was removed and flipped over to keep the aileron pot wire tucked up tight and I gave it just enough slack to prevent tension on the wire at full deflection.
JR's fix isn't much of a fix 'cuz it allows the wire to be rubbed by the gimbal mechanism on full back stick. I'm gonna keep an eye on it and if I see more chafing evidence, I'm going to unsolder the wire, reroute it and cover it in some heavy duty sleeving then resolder.
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08-23-2008, 07:46 AM | #42 (permalink) |
Registered Users
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I fixed mine the other night. None of the wires were cut down to the copper, but they did show signs of wear.
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08-23-2008, 08:12 AM | #43 (permalink) |
Registered User
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Just opened my radio. Even with very little use the wires were just starting to chafe. You can see in the regulator pic the red insulation on the regulator and circuit board. No copper showing so I am happy about that.
Not as hard as I thought to open the radio, but it is not back together yet.
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William James Crazy wife still trying to kill me. |
08-23-2008, 08:31 AM | #44 (permalink) |
Team Taco VP
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I have to fix mine this AM to go fly.... Mine is bad.. 1/2 cut through...
Bob
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08-24-2008, 07:45 PM | #45 (permalink) |
Registered Users
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Mine was cut through the insulation. I didn't have any Shoe Goo, so I used liquid electrical tape. Basically liquid vinyl.... I figured that is it's intended purpose.
One concern I have is that the gimbal mechnism contacts the wire some times when placed on the intended route. Anyone else notice that? You can feel the slightest bit of contact when flying. I guess i'll have to keep checking. |
08-25-2008, 05:50 AM | #46 (permalink) | |
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Quote:
I would be interested how you fixed it if you don't mind sharing Jutrast.
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William James Crazy wife still trying to kill me. |
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08-25-2008, 02:30 PM | #47 (permalink) |
Registered Users
Join Date: Feb 2008
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I noticed too that the wires would still have tension on them if you did JRs fix. Post #40 is a picture of how I fixed mine.
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08-25-2008, 02:36 PM | #48 (permalink) |
Team Taco VP
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I fixed mine but I did grind down the regulator edge AND moved the wires per JR. The problem is not about the wires being pulled a little one way or the other. The problem is they are rubbing on the regulator on the back case circuit board and that reg has a VERY sharp edge! The hole the wires run through the plastic is not the culprit.
Bob
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08-25-2008, 02:46 PM | #49 (permalink) |
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Join Date: Feb 2008
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There are probably twenty ways to skin this cat. Not being an electrical engineer, I really didnt want to do any grinding on the regulator. Just glad this problem was found before anyone crashed.
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08-25-2008, 09:05 PM | #50 (permalink) |
Registered Users
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There was a small nick out of mine and the missing piece of red insulation was still on the regulator. I don't think the problem is as much the edge of the regulator, but the top right corner of the regulator (with leads exiting bottom of regulator). I beveled mine and rounded that top corner.
I think the best fix would be to get a new regulator, leave the leads long and relocate the regulator to the left. In my rx, there's almost a 1/2" gap between the regulator and rf pack. Fireup's pics have the rf pack closer to the regulator than mine. |
08-27-2008, 08:33 AM | #51 (permalink) |
Registered Users
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I checked mine out after getting back from vacation yesterday...
My red wire was chewed through the insulation, but no strands were broken yet. Not liking the looks of the JR fix... I decided to take a slightly different approach. I used a sanding drum on my dremel to bevel the edge and corner of the regulator. I also mixed up a little 30minute epoxy and coated about a half inch of the wires with the epoxy to protect them.
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[ SAB Goblin ][ Trex 450 Pro ] |
08-28-2008, 09:40 AM | #52 (permalink) |
Join Date: Jun 2007
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I checked my radio and had a diffrent kind of problem than you guys.
My wires were fine close to the gimbal, but further down the cable a small piece of insulation was missing. It had scratched towards the soldering point on the circuit board. Wierd thing is that my wire is longer than all I've seen so far on your photos. My wire goes forward of the gimbal and loops back up, kinda looks it's supposed to be this way to keep clear of the chaffing problem you're experiencing. Last edited by T5; 08-28-2008 at 11:33 AM.. |
08-28-2008, 07:27 PM | #53 (permalink) |
Registered Users
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sent my radio in last thursday and today it came back good as new, great service
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08-28-2008, 07:49 PM | #54 (permalink) |
Team Taco VP
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Dang Carson that is pretty fast service! I would not have expected 1 week turn around!
The way you fly did they replace any stick pots too? It will say on the return slip what they did... Just curious... Bob
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08-29-2008, 05:24 AM | #55 (permalink) |
Registered User
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That IS fast service. Awesome Spektrum.
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William James Crazy wife still trying to kill me. |
08-29-2008, 08:40 PM | #56 (permalink) |
Registered Users
Join Date: Apr 2007
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THIS MAY BE THE WORST I'VE SEEN
THIS MAY BE THE WORST I'VE SEEN!!
Here is what I found when opening my radio - I have over 100 flights with this radio. The red wire has a dozen or so wires cut through and the ones remaining show heavy cutting/chafing and would have been soon to follow! Check out the corner of the voltage regulaor and all the red insulation shavings/particles around it!I've sent it in for JR to replace the wire. On another note, I found something else disturbing when I was looking around inside - the yellow wire on the Left Hand trim lever that is on the side of the radio had a chafe/cut in it near the black plastic post next to it that looks like a screw should go in. There is no screw actually in this post, so I don't know if the case pinched it or if something else caused it. It may be an isolated case, I just wanted to give a heads up because there is probably somebody's radio with that same incident. I addressed this to JR also. I'm anxious to see what they do to it. When I get it back I'll open it up and see what there fix is and then probably do the fix that ultimate1 has. It seems to be the best from what I've seen. I will report back on what JR does to it. For all of you wondering what to do, I found a pretty good answer that seems to leave no problems anywhere. Check out this link on RCU and scroll down on page 4 and see what ultimate1 did. He posted some great pics of his fix. No chafing, no binding, no stretching, no problems. - http://www.rcuniverse.com/forum/m_78..._4/key_/tm.htm |
08-29-2008, 10:31 PM | #57 (permalink) |
Team Taco VP
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Not the worst... Kevin has a pic of mine and it was down to 2 strands for the black wire! I have had my X9303 since November.
Bob
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08-29-2008, 10:58 PM | #58 (permalink) |
Registered Users
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radio change after repaired.
Like i said above i got my radio back sweet. Powered on my 700 and my servos were off(pitch ale) by about 1/8 turn from where it was. Strange i reset the head and now its good to go, going to have to do the same to my 600 and plane, they are the same way. thought i would pass that along. Get to fly my 700 tomorrowhavent flown it sence ircha.
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08-29-2008, 11:40 PM | #59 (permalink) |
Team Taco CEO
Join Date: Oct 2006
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Hate to say it but the worst was the guy that had a failure while flying in the first place.
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08-30-2008, 11:05 AM | #60 (permalink) |
Team Taco VP
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Carson, with as much as you fly they probably replaced the pots on your sticks and recalibrated! Good on them they did this for sure! Usually after a recalibration like that you do have to recenter servos and such.
Bob
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"Don't Taco My Pack Dude!" NEW Video Link -> Safety Video #1 Video Link -> CAUTION using powerful tools! Video Link -> How to CRASH TWICE in one flight! Video Link -> Don't Taco! |
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