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RJX Hobby Hurrican 50 - Xtreme 50 > New Heads with 8 mm Spindles

Mr.Green
Senior Heliman
Location: Centerville, Utah

I'm curious if anyone knows with all the reps on here - the new heads that are coming out with the 8 mm spindles and and the beefier seesaw - is it a complete new head or just a different center hub?

I just found out what these are going to cost and damn near died. By the time I add the upgraded levers, tail with thrust bearings, a high volume aluminum fan and the propper head which they should come with in the first place I will be into the G-10 AIRFRAME ALONE damn near $900. Does this seem a bit rediculous to anyone else?

Granted - RJX is fixing things that weren't quite right with the inital design, but it's killing me in the pocketbook. I would think these revised parts should be offered to current Xtreme owners with either a trade in for the old poorly designed parts or offer it for a lot better discount than what these heads are going to cost.

Just venting a little.

Mr.Green.

05-27-2008 03:18 AM

loewermx
Veteran
Location: Alexandria, La

How much are the 8mm heads?

Team Cajun Helicopters
Team CCRCC Heli Club

05-27-2008 04:07 AM

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RjX of USA
Senior Heliman
Location: IL

New 8mm heads

RjX has done what it's pilots have requested again.... they wanted a 8mm head so, RjX produced it. This is not a replacement head, but a up grade option if anyone wants it.

This head fits a 50 size heli and is all plastic cost.... $132.45

This head fits a 60 size machine and is all plastic cost....245.00

RjX has a 8mm spindle head, all metal,all thrust bearings and is a complete unit cost....189.00

Rusty Howard rjxofusa@myway.com

05-27-2008 05:22 AM

holzback
Senior Heliman
Location: Terre Haute IN United States

Quote
This is not a replacement head, but a up grade option if anyone wants it.

so dose this mean the new kits coming out will have the same head as the current kits?

05-27-2008 05:54 AM

RjX of USA
Senior Heliman
Location: IL

head

yes, the current kits are shipping with the 6mm head

Rusty Howard rjxofusa@myway.com

05-27-2008 05:57 AM

holzback
Senior Heliman
Location: Terre Haute IN United States

i asked because i am unsure if this is the fix for the problem with the seesaw bolts.

05-27-2008 06:05 AM

alfred
Veteran
Location: Australia, New South Wales, Mid North Coast

Quote
i asked because i am unsure if this is the fix for the problem with the seesaw bolts.

Ditto
Isn't that what we are all looking for? A proper fix for the Seesaw issue?

05-27-2008 10:10 AM

Mr.Green
Senior Heliman
Location: Centerville, Utah

It is my uderstanding this 8 mm spindled head fixes the seesaw issues, and the bending spindles issue. It's a shame it costs so much.

I think I may be switching brands soon so watch the classifieds for a couple real nice Xtreme's.

05-27-2008 06:31 PM

helibuilder19
Heliman
Location: CT.

8mm head

What is the big deal about the seesaw, I see some have troubles with the seesaw screws loosing and some people don't, I myself check these after every flight, my screws loosen once then I cleaned them as instructed and loctited them, all has been good sense and really don't worry about them anymore.
Looks like the 8mm head is a up grade if you don't want it, fly the 6mm head easy as that. A friend of mine got a kit after I did and his head block is thicker than mine, but it is still the 6mm spindle

maybe this is a change RJX made? I love my X50 great fling machine.

05-27-2008 06:55 PM

ez2bgman
Elite Veteran
Location: N'awlins, LA

Quote
the bending spindles issue.

Mr. Green,

Can you please explain the bending spindle issue? The only time I have bent a spindle was when I crashed a couple of times. I fly mine pretty darn hard and have never bent a spindle as a result of flying.

As Rusty stated, the 8mm head is not a replacement but rather an upgrade. Show me another fully adjustable head for a 50 size heli that costs less. Remember that this a complete head with a new main hub, 8mm spindle, new o-ring dampeners, new grips, larger bearings for the spindle, mixing arms, and a new phase ring. With the exception of the flybar cage and seesaw, this is an all new assembly. A brand new Kasama Srimok head is $260 and that has everything that the new RJX 8mm head has in addition to the seesaw and flybar control arms. The price of the RJX head is more then reasonable when you look at what your getting.

RJX Hobby produced The 8mm head because some people wanted it, not because there is anything wrong with the current head. While I am no Alan Szabo or Bobby Watts, I fly my X50 pretty darn hard and I have had ZERO problems with the head, seesaw, or spindle. I personally feel that it is the best flying and fastest head that I have flown on a 50.

As far as the seesaw "issue", I have never had my bolts back out. I did have one snap during a crash, but the seesaw was still fine. I changed the bolts from stainless steel to harder black oxide bolts. If the threads on the bolts and the seesaw are properly cleaned, loctite applied and left to cure, you should not have any problems. At first I used blue loctite and they never backed out. After the switching to the black bolts after I crashed, I used red loctite and still have no problems. Care during assembly of the seesaw and routine monitoring of the bolts is all that really required.

Gary
RJX of USA
Magnum Fuels
SwitchGlo
>Hot Girlz in da gallery<

05-27-2008 07:53 PM

HOMEPAGE

Foxden
Key Veteran
Location: Port Charlotte, FL. USA

Mr. Green

With the exception of Jason Bell, who installed infinivation dampers designed for an Evo 50, I've haven't heard of anyone bending a 6mm spindle flying the machine. There have been some that have asked RJX to come out with an 8mm spindle NOT as a fix for anything but they wanted an 8mm spindle like the Align 600N and now the upgraded 8mm head for the Knight 50, The owner of RJX listens to his customers and now we have an 8mm complete head upgrade.

Clyde Fox
Port Charlotte FL
RJX of USA Field Rep
Team Rotorworkz
Morgan Fuel Rep

05-28-2008 12:12 AM

HOMEPAGE

acri84
Heliman
Location: covington, ga -usa

I have been flying mine with the infinivation dampers for the evo 50 and have yet to bend the spindle . Sure I ain't no bad ass 3d flyer, but I belive if the spindle was going to bend I would of accomplished that. I have a spare head in my inventory and when I get done using it (after crashes, which happen) I will get the up grade head. To me the stock head is fine.

Mike
RJX of USA field rep
G-Force Factory Pilot
BEAM TEAM
Magnum Fuel Rep

05-28-2008 01:52 AM

jester4
Key Veteran
Location: Brampton, Ontario

I've got some time under my belt (about 15 flights, 5 harder ones)on this machine, and I haven't had seesaw issues yet. I did go with the advice of some of the guys here and used black oxide bolts with red loctite. I'll keep a close eye, but I think (so far

) the issue is not as bad as I thought by reading here...

I could eat my words later, but for now all is well

NO SOUP FOR YOU!!

05-28-2008 02:23 PM

Foxden
Key Veteran
Location: Port Charlotte, FL. USA

I also have a couple of Century Predator P-Max machines so I thought because of the 8mm spindle and metal head I would show the cost comparrison for one that come unassembled or assembled as the RJX one does, the Century unit includes the flybar cage, the RJX doesn't so we can subtract $42.99 from the costs.

Here's the metal Predator head assembled, the cost is $299.95

Here's the Predator head unassembled, the cost is $269.95

Assembled head from Century $299.95
minus $ 42.99
total $256.95

Unassembled head from Century $269.95
minus $ 42.99
total $226.95

RJX 8mm spindle upgrade $189, for everything that is included seems like a very fair price.

Clyde Fox
Port Charlotte FL
RJX of USA Field Rep
Team Rotorworkz
Morgan Fuel Rep

05-28-2008 11:30 PM

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rsalazar
Key Veteran
Location: Florida, USA

for an upgrade, I think it is a very fair price, compare to others in the market

05-28-2008 11:55 PM

Mr.Green
Senior Heliman
Location: Centerville, Utah

I have personally not bent a spindle as I fly pretty gently, but have heard of others who have. I wasn't even aware of the 2 different verison of the 6 mm spindle head. Mine must be the older version?? When did the newer versions of the 6 mm head get released?

Does the 8 mm head come with metal grips? I dind't think it did.

I know they are caling this an option, but in my mind I see it as a retro fix to take care of other stuff. I wish they would have had this option when I bought the kit to come with an 8 mm spindled head for a little bit more, rather than buying an entire new head.

Anyone want to 6 mm spindled heads?

05-29-2008 04:06 AM

Foxden
Key Veteran
Location: Port Charlotte, FL. USA

Yes the 8mm spindle upgrade comes with new grips as the grips had to be oversized to allow the 8mm ID bearings so the grips, pitch arms and mixing arms, spindle, thrust bearing and new radial bearings and seesaw, with new phasing ring all included.

Everything that Rusty posted in the picture above is included

Clyde Fox
Port Charlotte FL
RJX of USA Field Rep
Team Rotorworkz
Morgan Fuel Rep

05-29-2008 04:17 AM

HOMEPAGE

ez2bgman
Elite Veteran
Location: N'awlins, LA

Quote
I know they are caling this an option, but in my mind I see it as a retro fix to take care of other stuff. I wish they would have had this option when I bought the kit to come with an 8 mm spindled head for a little bit more, rather than buying an entire new head.

It is an option because there hasn't really been any issues with the current 6mm spindle set up. While some have reported issues with the seesaw, this has nothing to do with the 6mm spindle head. As Clyde mentioned earlier, the only time I heard of anyone bending the 6mm spindle was when Jason Bell used the Evo 50 Infinivation Dampeners in his Xtreme 50. Apperently the Infinivation Dampeners proved to be too hard. There has to be some give in the head and since the Infinivation dampeners weren't allowing enough give, the spindle would bend.

Quote
I wasn't even aware of the 2 different verison of the 6 mm spindle head. Mine must be the older version?? When did the newer versions of the 6 mm head get released?

What 2 different versions are you referring to? Below are 2 pics, the first one is from your gallery and the 2nd is from my X50. As you can see, they 6mm heads are the same.

Gary
RJX of USA
Magnum Fuels
SwitchGlo
>Hot Girlz in da gallery<

05-29-2008 04:44 AM

HOMEPAGE

Mr.Green
Senior Heliman
Location: Centerville, Utah

I was told by Rusty there were two different verisons of the 6 mm spindled head, and that the 2nd style has a thicker center head hub.

05-29-2008 06:05 PM

Delamar
Senior Heliman
Location: adelaide, australia

Some of the very first x50's that were used for testing had a thinner metal hub. Ive had both, the thinner one i got before they were released to the public, had no probs with the seesaw. The second i got about 5 months after public release, its quite a bit bulkier and smoother finished. I would say that unless you got one of the very first x50s you would have the fatter head block.

05-30-2008 12:23 AM

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