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HomeRC & PowerAircraftHelicopterEngines Plugs Mufflers Fuel › How many gallons do you have through your OS 50 without bearing problems?
10-11-2005 03:13 AM  13 years agoPost 41
turboomni

rrProfessor

East of the Equator

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Yeah,,,AL you're the man for sure. Long ago you said I would need one for the Hyper or that once I used one I'd never look back. As usual you are always right!

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10-11-2005 05:17 AM  13 years agoPost 42
Gearhead

rrMaster

Vt

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shaltac,,, try running your pitch around 11 degrees...


Jim

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10-11-2005 09:51 AM  13 years agoPost 43
Al Magaloff

rrMaster

12,199 Posts- Enough Time Wasted. See Ya!

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As usual you are always right!
No so, but I think the governor thing will be a common theme with the Hyper.

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10-20-2005 08:40 AM  13 years agoPost 44
spritefiend

rrKey Veteran

Camarillo, CA

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here are some pictures. they arent the greatest.

rc-bearings ceramics w/ crankmod on a std os50-sxh

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10-20-2005 02:16 PM  13 years agoPost 45
Louisiana Helicam

rrKey Veteran

West Monroe, LA

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Well...how many gallons?

www.louisianahelicam.com

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10-20-2005 07:28 PM  13 years agoPost 46
spritefiend

rrKey Veteran

Camarillo, CA

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oops sorry, i thought i posted that i did in my gallery.

right around 3 cases worth of cp 30%

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10-20-2005 08:05 PM  13 years agoPost 47
Louisiana Helicam

rrKey Veteran

West Monroe, LA

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That's cool. I have about three gallons through this one with no problems so far.

www.louisianahelicam.com

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10-20-2005 08:08 PM  13 years agoPost 48
spritefiend

rrKey Veteran

Camarillo, CA

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on this other sceadu i have, just recently fitted with a brand SPANKIN new os hyper, im going to try out boca's top o' the line ceramics. its crank modded too.

anyone know if i send a YS in with a set of ceramics if they will change them, while the engine is in for service?

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10-20-2005 11:20 PM  13 years agoPost 49
zagidave

rrApprentice

uk.(north london)

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3 gallons here,

then ripmax replaced rear bearings, (sounded like a bag of spanners)

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10-21-2005 02:41 AM  13 years agoPost 50
Arctic

rrNovice

Louisville, KY

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Between 8 and 9 gallons using Wildcat 30% LV & CY 30


Be the change you wish to see in the world. (Gandhi)

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10-21-2005 02:59 AM  13 years agoPost 51
bparro

rrVeteran

indianapolis,in

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About 7 gallons all on CY 30. There is not even one rust spot on the crank! When I was using cp 30 it seemed like it was rusting alot easier on my standard os 50.

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10-21-2005 06:14 AM  13 years agoPost 52
Gearhead

rrMaster

Vt

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spritefiend,,, "" im going to try out boca's top o' the line ceramics""

do you have a part number for that bearing ??

Jim

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10-21-2005 06:19 AM  13 years agoPost 53
spritefiend

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Camarillo, CA

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10-21-2005 10:23 AM  13 years agoPost 54
Al Magaloff

rrMaster

12,199 Posts- Enough Time Wasted. See Ya!

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I would recommend Paul from RCBearings. I found Boca to be not my kind of people. Paul Mcintosh
RC-Bearings.com

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10-21-2005 12:50 PM  13 years agoPost 55
Steve Campbell

rrElite Veteran

Baton Rouge, LA

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ViperHawk,

If you keep the engine on the rich side, it will last you a good long time. We have one here that has over 20 gallons (probably closer to 30) through it, with all the original parts and no modifications, that runs just fine. It is in an Evo, and the owner doesn't baby it. He DOES, however, pay attention to the mixture. Read TMoore's posts again about needling and trying get the absolute last bit of power out of an engine. THAT is what is trashing these things; NOT some inherent defect.

Last Saturday, it kept going lean in the mid-range. Tobe pulled the engine and we stripped it down, thinking a bearing was failing and had scored the piston/liner. Nope; everything was bright, shiny, and in good shape. The bearings were silky smooth. He re-assembled it, plugged it back into the ship, and it ran fine. There was obviously some crud in the carb somewhere that we removed when looking it over, flushing it out, etc. BTW, he runs straight CP 15%. That 17% oil content is plenty; IFf you don't try to squeeze the last drop of power out of your engines.

He does run a governor, does mild 3D, and generally flies the hell out of the machine. Another thing that impresses me is that the ship has a LOT of slop in it now, but still flies very smooth. It is starting to get a bit pitchy in FFF, so its probably time to replace some head parts. But this particular helicopter re-inforces my opinion that Hirobo has one of the best values on the market with the Sceadu Evo.

The fellow's RR name is delmar; he has a Futaba 9C and a bunch of receivers for sale in the Electronics For Sale forum (he just got a 9303).

Give him a bump if you have any questions. If you make it down to BR, give one of us a shout and you can see for yourself.

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10-21-2005 04:04 PM  13 years agoPost 56
Louisiana Helicam

rrKey Veteran

West Monroe, LA

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Thanks Steve. I do run a little on the rich side. I haven't had any trouble with any of my engines that I've had so far. I run CP 15%, 17% oil as well.

www.louisianahelicam.com

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10-21-2005 05:21 PM  13 years agoPost 57
sticknruddr

rrNovice

Boise ID

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16 gallons still no problem
16 gallons on the hyper 50 with some 3d 2000rpm on the head. Using cool power 30% running the engine around 200 F never using after run oil and the engine has loads of power.
scotty

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10-21-2005 10:03 PM  13 years agoPost 58
Gearhead

rrMaster

Vt

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when I took my motor apart the rear bearing was full of oil, but rusted,,,

spritefiend,,, yea that's the bearing I have, I got my motor back together today, it feels smoother than it did new,,, I also did the crank mod..

Jim

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10-23-2005 01:32 AM  13 years agoPost 59
Yug

rrMaster

UK. Herts

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23 gallons of CP20 / Magnum30 and it still runs like new. Hyper engine has not yet required any maintenance.

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HomeRC & PowerAircraftHelicopterEngines Plugs Mufflers Fuel › How many gallons do you have through your OS 50 without bearing problems?
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