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CarbonXtreme . Midland Helicopters . HeliProz

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RJX Hobby Hurrican 50 - Xtreme 50 > My x50 first hover-CHIRPING NOISE GONE!!!!!!! Another update
 
 
Razz
Senior Heliman
Location: Louisville, KY

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It would be nice if RJX would machine the pinion to make a tighter fit. There's a lot of play there. I used 30 min. epoxy on mine. It's interesting that Hirobo recommends no loctite on their pinion, just use a little grease. Hirobo's pinion does fit tighter, you can easily slide it into position. It's a lot easier to replace that assy. when it's not all locited or glued together.

Brian Rasmussen

DX7SE, Trex 700, Rave 450
02-29-2008 12:32 AM
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Foxden
Elite Veteran
Location: Port Charlotte, FL. USA

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I use green loctite bearing retainer, and with a bit of heat you can get it back apart if you need to replace the bearing.

Clyde Fox
Port Charlotte FL
Team Outrage
02-29-2008 12:41 AM
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RjX of USA
Senior Heliman
Location: IL

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pinion

Once the pinion is Loctited or JB Welded I have never had any issue with it or had any reason to have to replace it. But, it must be installed correctlly from the beginning.

Rusty Howard rjxofusa1@myway.com
02-29-2008 02:11 AM
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ez2bgman
Elite Veteran
Location: N'awlins, LA

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I used red loctite when I assembled mine. But due to the bad engine vibes I had from a misaligned fan (*note* this was builders error and not machine related), the loctite was no longer on it when I inspected it after dropping my engine. I took the whole assembly apart and cleaned it very well. Then I used some JB Kwik on it. It is not as permanent as JB Weld. I checked it again and the pinion is secured in there very well, with no play at all.

Gary
Outrage Velocity 50
Rotor Rage Fuel
SwitchGlo
>Hot Girlz in da gallery<
02-29-2008 02:30 AM
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rusta
Heliman
Location: Sydney, Australia

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I too would like to know what the
Quote 
minor problems with failed parts.
where, and preferable not from a RJX X-treme rep but from RLC. Faults shouldn't be hidden from the public, thats just dangerous.
02-29-2008 06:31 AM
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RjX of USA
Senior Heliman
Location: IL

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From the Distributer

to clear this up heres what went on with RLC's machine. He was getting noises that was not normal during flight so he was in contact with a local Rep (Buzzsaw) and they tore the machune down together to check it out. With a call from Buzzsaw while at RLC's house during the taredown he told me the clutch bell had some scraps in it on top of the inside on the clutch itself. most likely from the start shaft letting the clutch hit the underside of the clutch bell, easy fix..... the other part was the outer lower auto hub that mounts to the 80T tail gear, the 4mm screw tighten to much can egg shape the hole in it where the mainshaft comes through, easy fix tighten the 4mm screw just until it touchs the hub and stop, it uses a loc nut so it will stay put anyway. No Part Failed I just want RLC to continue to enjoy his machine without any worry, so I replace the parts. End of story. Thanks RLC for your opinion. RjX will take it into account.

Rusty Howard rjxofusa1@myway.com
02-29-2008 01:41 PM
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patriot21
Key Veteran
Location: Eagle Lake,MN

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Rusty... Your service is the best I have seen in this industry!!!
Good luck Augusto with that whole Aurora thing... My next 90 will be an extreme90

My Sponsor:VISA
02-29-2008 02:52 PM
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MAVRICK
Veteran
Location: Las Vegas NV

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You da man Rusty
02-29-2008 07:08 PM
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RLC
Senior Heliman
Location: Metairie La. U.S.A.

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Ok Rusty you have made your statement that all problems was user error. Well I am here to inform you that this helicopter was built according to the manual. The jesus bolt was tighten down just to where it touched the metal, NOT OVER TIGHTEN. IF RJX was worried about this problem then they would have machined the part to a tighter fit to prevent the hub from going out of round by over tighten. The bearing on the pinion was out of round. The starter shaft was installed correct. Rusty i am glade to receive the parts that you sent me to replace the ones that I have destroyed. To say this was user error before you get the parts back is very arrogant on your part. Rusty out of all the 15 helicopters that I have built,flew and sold have never ever had any problems like I have had with this RJX XTREAM 50. I enjoyed building this machine and it is nice looking, but to say the quality of the metal that RJX uses might not be the best. Thanks again Randy


8FG 12z 14mz
Raptor 90se
Raptor 50 Titan
Wenzel Canopys
03-01-2008 04:29 AM
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MR.700
Senior Heliman
Location: Mequon ,WI

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Randy......are you saying not to buy one of these kit until the boys at RJX fix some things on this heli ?

Fan shroud needs to be longer.
Pinion needs to have a tighter fit.
Fly bar seesaw needs longer bolts.
The top of the horizonal fin could be may to fit better.
The portion of the hub that the bearings slide onto "shoulder" needs to be longer.
And the main hub needs to have a tighter fit.

Looks like this heli still needs some touch up work.
I will say i like the lay out of this 50, it looks very nice.
I think all wait on getting one of these 50s

MR. 700
03-01-2008 04:46 AM
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RLC
Senior Heliman
Location: Metairie La. U.S.A.

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Wow I though I was crazy. Thanks


8FG 12z 14mz
Raptor 90se
Raptor 50 Titan
Wenzel Canopys
03-01-2008 04:54 AM
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MR.700
Senior Heliman
Location: Mequon ,WI

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No .....your not crazy

MR. 700
03-01-2008 04:55 AM
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MR.700
Senior Heliman
Location: Mequon ,WI

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I have a raptor 50 titan that flys very good with 8717 servos, 611 gyro, kasama head on it. It will do what i want for now......HAHAHA

MR. 700
03-01-2008 04:58 AM
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helibuilder19
Heliman
Location: IL.

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furyturd

good idea, if you don't buy the Xtreme 50 then we will save more kits and part for us.
03-01-2008 05:44 AM
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Eury
rrProfessor
Location: Ankeny, IA, USA.

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Quote 
Fan shroud needs to be longer.

It doesn't need to be, the Evo's doesn't cover the head either, and I've never had a problem with an engine overheating in an Evo. I sure wouldn't mind it being longer, though.

Quote 
Pinion needs to have a tighter fit.

I used green locktite bearing retainer on mine, and it's nice and secure.

Quote 
Fly bar seesaw needs longer bolts.

I don't think you can put longer blots on it, and if you can, maybe only 1mm or so. The issue is that if the bolts are too long they hit the flybar. The problem on my original seesaw was that the threads were not very good in the seesaw. Perhaps the metal was soft, or they just weren't made well. I know it's not an isolated incident, since a rep posted that he had the same issue. Kinda surprising, must have been a slip up in the Rep system, they really aren't supposed to make things like that public.

Quote 
The top of the horizonal fin could be may to fit better.

Why? It fits like every other heli's fin. If they want to improve that, they should provide another metal piece that goes onto of the clamp, then have the fin mount to that. Not really necessary, if you ask me, what's there works fine.

Quote 
The portion of the hub that the bearings slide onto "shoulder" needs to be longer.

I haven't seen this issue, maybe it's just the way you are putting it, what exactly do you mean?

Quote 
And the main hub needs to have a tighter fit.

Mine is fine, but obviously others have had the issue. Also, don't forget that 2 of us that we know of have a gritty feeling in the swash uni-ball.

What I find kinda troubling is that it seems that 90% of the people on here posting are reps. That means that 90% of the posts can be discounted, since they really can't talk about the weak points. For all we know, every one of those guys have had multiple failures of the parts we're discussing, and we wouldn't know it.

Something else to consider is it's a new design. There aren't a whole lot of these out there, and they haven't been available for long. Also, the manufacturer seems to respond quickly to issues, so it can only get better.

I really like the design on it, and the quality is excellent, but obviously there are a couple of small issues. If they are easily worked around like the flybar seesaw (don't torque the bolts, use red locktite), then I really don't care. However, if the issues are chronic that will cause me to have to replace parts on a regular basis, then the design needs to be changed. I'm hoping to get out and fly mine tomorrow again to really get a feel for it in the air, since my first flight ended after 4 minutes. Hopefully it flies better than my (admittedly upgraded) 600n. However, if it doesn't, I have no problem selling it and picking up a second 600N in the interest of having common spares, although it would make me sad to get rid of something so beautiful.

Nick Crego
03-01-2008 05:49 AM
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eggmcmuffinplz
Elite Veteran
Location: Los Angeles, CA

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1000th veiw!

Scott D
Trex 450seV2
Logo 500 3D V-bar
03-01-2008 05:53 AM
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RLC
Senior Heliman
Location: Metairie La. U.S.A.

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Eury you are correct. I do how these will be minor problems that can be worked out so I could go on being an Xtream 50 owner. I do feel that the metal is to soft. Buzzsaw sheared his head in two from a inverted crash.


8FG 12z 14mz
Raptor 90se
Raptor 50 Titan
Wenzel Canopys
03-01-2008 06:02 AM
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ez2bgman
Elite Veteran
Location: N'awlins, LA

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buzzsaw stated:

Quote 
Guy's what is meant here is not that it is a failed part though mfg'ing,it is very simple that we have to pay close attention in these area's while building the machine.Do not by ay means over tork the 4mm jesus bolt at the base hub cover for main shaft and allways make sure that the pinion gear is glued in securely to the bearing,using either green loctite or JB weld or it is possible for issues to arrise within the first flight or so.This applys to any heli designed in a simular way.

fury,

You are making this a bigger issue than it is. As you can see from buzzsaw's post, he mentioned some very good points. The Xtreme 50 is not a Raptor and it takes a little more time to build and set up.

Gary
Outrage Velocity 50
Rotor Rage Fuel
SwitchGlo
>Hot Girlz in da gallery<
03-01-2008 06:30 AM
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rusta
Heliman
Location: Sydney, Australia

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Its good to hear your side of the story RLC. I wasn't trying to start up anything bad against the X-treme, I have no doubt its a great machine and am looking into one. But no machine is perfect, dispite a lot of the posts on here trying to make us believe otherwise. I just want to know what I am buying before I commit hard earned cash. Its really hard to figure out how good this machine is when like Eury stated 90% of the ppl posting all this good stuff about the machine are either reps or distributors. Maybe thats because 90% of the people who own the X-treme are reps or distributers ??? I dunno. I have read the storys about the metal being quite soft which worrys me, including the problem with the seesaw attachment, with some people either easily stripping these or flybars coming off in flight. And have also read about bending of spindles. Im sure most of this has been fixed now but I doubt all of the problems have been ironed out and I want to know the ones that aren't before I decide on one of these or a 600N super pro
03-01-2008 11:34 AM
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MR.700
Senior Heliman
Location: Mequon ,WI

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I'm with Rusta on this one. Like i said it looks to be a bery nice heli.
Somethings need to be worked out before i buy one thats all.

MR. 700
03-01-2008 01:34 PM
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Ron’s HeliProz South . MTA Hobbies . Model Rectifier Corp

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RJX Hobby Hurrican 50 - Xtreme 50 > My x50 first hover-CHIRPING NOISE GONE!!!!!!! Another update
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