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HelicopterEngines Plugs Mufflers Fuel › hyper50 bearing rust
11-29-2005 02:58 AM  12 years agoPost 1
helihi

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edgewood, maryland

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hello all, i have a hyper50 and the rear bearing is rusted but the bearing is smooth sould i replace it or just use it?? thanks

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11-29-2005 03:00 AM  12 years agoPost 2
RobRoy

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Huntsville, Alabama

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If you don't already have a new bearing, I would order one. I would use the current bearing until it starts to feel notchy or sounds noisy, but have a bearing waiting to prevent excesive down time.

.

Ignorance is curable, stupidity is for life.

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11-29-2005 03:12 AM  12 years agoPost 3
helihi

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edgewood, maryland

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that sounds like a good idea. so the one in there now sould be ok?
thanks

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11-29-2005 03:15 AM  12 years agoPost 4
RobRoy

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Huntsville, Alabama

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Mine showed signs of surface rust after just a few gallons. I ran it for about 8 more gallons before replacing it because it started to make a little noise. You should be fine.

.

Ignorance is curable, stupidity is for life.

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11-29-2005 03:18 AM  12 years agoPost 5
spritefiend

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Camarillo, CA

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can you wipe it off? are you sure its not fuel? as long as its smooth like was said it will be fine. do you run out all of the fuel after a day of flying? keep it indoors(climate controlled)? keep the carb shut, engine tdc etc? or anything of the sort.

when your ready for new bearings, give rc-bearings.com some consideration. im running a set in one of my os50's and its still purring along after about 20gallons now.

as a comparison, i just got a 2nd helicopter running with a set of bocabearings(.com) to give them a try, theyre a bit more expensive however. either way, time will tell.

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11-29-2005 03:27 AM  12 years agoPost 6
helihi

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edgewood, maryland

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no i can not wipe it off it is serfice rust. if i remember i will run fuel out. i only have less then 8 tanks run in this engine. and i do remember putting after run oil in it the last time i ran it( about 6 mouths ago) i did run it on satday and i could not get a good tune it pissed me off i was about to burn the heli. that was the same day that i crashed so i just tore it apart and i notice the rear bearing and the piston pin has rust on it.

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11-29-2005 01:35 PM  12 years agoPost 7
BarracudaHockey

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Jacksonville FL

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Get a set of ceramics from http://www.rc-bearings.com and replace it when it gets noisy.

Andy
AMA 77227
http://www.jaxrc.com

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11-29-2005 05:55 PM  12 years agoPost 8
helihi

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edgewood, maryland

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thats a good price you get 2 bearings for 25.00 not a bad deal. are thay really better then the stock bearing?

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11-29-2005 06:00 PM  12 years agoPost 9
spritefiend

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Camarillo, CA

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HELL yes hehe.

my stock bearings had around 7-8 gallonns through them before they got loud and rattling. pulled them out and they looked like sh!t. notchy, rusty, etc.

the new rc-bearings have around 16gallons(wrong figure earlier post by a case) and they look pretty good. i have some pictures in my gallery of them, theyre a few gallons old now though.

edit: the pictures of it, the discoloration could be wiped off, it wasnt rust. i run out all of the fuel after flying, close the carb, and adjust the piston to seal off the inside. when i need to disassemble the engine for any reason i always clean it out with lots of alcohol and relube it with lots of marvel mystery oil(just did this last week wednesday)

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11-29-2005 06:19 PM  12 years agoPost 10
helihi

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edgewood, maryland

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i will do that just get a set . can wd40 work for after run oil? my engine is still under waranty what sould i do? do you think thay will replace the bearing and the pison pin? i may have to give them a call. i thout it was out of waranty but it is not.

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11-29-2005 06:30 PM  12 years agoPost 11
spritefiend

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Camarillo, CA

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i wouldnt use wd40, that stuff is ebil. triflow works well for bearings, but since these arent sealed i like marvel, and you really shouldnt have a problem finding it. autoparts, home depot etc.

as far as the warranty goes, give them a call and see what they say, if they will cover it under warranty send it in and let them do it make sure you dont have to pay for squat, put the money to better bearings.

i had this happen and was pretty pissed, sent in a ys, and i guess the rear bearing was bad so they automatically replaced it(out of warranty) so they charged me for it and installing blah blah... could have gotten a set of ceramics and done THAT myself. you COULD ask them if you send in ceramics with it if they will change it as you dont want to, to avoid risk of voiding warranty, they may(of course charge for that as it wouldnt be oem replacement). i plan on asking, the next time i send in any of my ys's.

edit: here is a good thread on wd40 vs others:

http://www.runryder.com/helicopter/t65008p1/

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11-29-2005 06:54 PM  12 years agoPost 12
helihi

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edgewood, maryland

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ok thanks for that . i have not used the wd40 yet i just thought id ask. is there a trick to getting oil on the back bearing after a day at the Field? i do not like the crank web i cant what till i can cut it off and then maby oil will get the the bearing easier, thanks for all your help.

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11-29-2005 07:02 PM  12 years agoPost 13
spritefiend

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Camarillo, CA

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i dont use after run oil after flying. but if you want to, ive heard of removing the back plate and removing the glow plug to put some in. somewhere around here there is reason not to do it through the carb.

web mod seems like a decent one to do. i havent noticed anything bad happening from doing the mod so the way i see it is, why not? i havent compared side by side the no web vs web with ceramics so i cant say i see that it IS in fact working, but since it doesnt do harm theres no harm in lobbing it off

just my .o2

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11-29-2005 08:03 PM  12 years agoPost 14
Doug

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Port Saint Luice Florida....

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Take a look in my gallery (display all) Several bearings with over one year no rust (still have "washboard wear on the unloaded side) worn) (can't mention how I do it, too much flack)

OBTW I am using The Ceramic hybrids from Paul, myself I think they are the best bang for the buck http://www.rc-bearings.com

First member of Member of Bearings Anonymous

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12-01-2005 06:38 AM  12 years agoPost 15
helihi

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edgewood, maryland

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thanks for all your help.

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12-05-2005 01:26 PM  12 years agoPost 16
vigor10

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Plano Texas

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OS Hyper 50

I just replaced my rear bearing as well, had about eight gallons through it before it started making an awful noise.

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12-08-2005 01:17 PM  12 years agoPost 17
Yug

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UK. Herts

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I've just done my Hyper50 after about 300 flights. It was sounding like a tractor but I couldn't feel any nasty vibes on the backplate.
Dunno weather ceramics are worth it because the races are steel, so they still go rusty. I tried ceramics in my 91 and they didn't last long before the onset of rust. That heli has recently been modified so the tank pressure is off the crank pressure. This means no nitric acid from the muffler, so clunk lines and bearings should last alot longer. We''ll see. My 50Hyper, is muffler pressurized, but I'm happy with 300 flights.

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12-14-2005 10:07 PM  12 years agoPost 18
heligoole

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yorkshire,uk

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just curious,what percent nitro and headspeeds are you all running?this seems very few flights before trouble?

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12-15-2005 02:45 PM  12 years agoPost 19
BarracudaHockey

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Jacksonville FL

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I'll volunteer to do some testing for you!

Andy
AMA 77227
http://www.jaxrc.com

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HelicopterEngines Plugs Mufflers Fuel › hyper50 bearing rust
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