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HomeScale✈️AircraftScale HeliScale Helicopter Main Discussion › century 4 blade helicopter
05-24-2016 07:14 PM  3 years ago
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kenb

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cloquet, minnesota carlton

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century 4 blade helicopter
Anybody successfully flying a 4 blade century helicopter?
ken berg
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05-24-2016 10:25 PM  3 years ago
Copter Doctor

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Enterprise/ft.rucker ,al- home of army aviation

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All my predators are turning 4 and 5 bladed heads. I only run 2 bladed heads on the hawks because the gear train doesn't seem to hold up to the load of a four or five bladed head for too long. I Have stripped a few main gears in the pastdrive a rotary, fly a rotorcraft
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05-24-2016 10:44 PM  3 years ago
TEZ09

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Suwanee, GA

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Yes, I have two 4 blade century heads, one 3 blade century head, and one 5 blade century head. If set up correctly they fly real nice!!!"Sling Blades Or Go Home"
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05-24-2016 11:59 PM  3 years ago
kenb

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cloquet, minnesota carlton

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4 blade head
hello,
Is this a century mechanics powered by an os 50? what blades are you using? What is your head speed? I'm having clutch problems with this set up. Century and others say my head speed might be too low. I think they're right. The blades I'm trying to use weigh about 182 grams, pretty heavy. Gonna try some lighter ones. Any suggestions? Thanks, ken
ken berg
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05-25-2016 12:10 AM  3 years ago
TEZ09

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Suwanee, GA

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No, my birds are all Trex/Align electrics. I don't know enough about your setup and head speed, and what the clutch is doing to take a stab at the problem... However, I would tend to agree with century as OS machines from my limited experience with them usually don't like low scale like head speeds. I am more of a scale pilot and I like spin blade scale blades because they have a much smaller chord with and they are fairly flexible, thus they cone up like the real heli blades do. What is your head speed and what blades are you using?"Sling Blades Or Go Home"
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05-25-2016 01:06 AM  3 years ago
Copter Doctor

rrProfessor

Enterprise/ft.rucker ,al- home of army aviation

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The rotor heads aren't the problem, the mechanics drive train is. maybe with lighter blades and a higher headspeed it will be ok.drive a rotary, fly a rotorcraft
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05-25-2016 05:15 AM  3 years ago
kenb

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cloquet, minnesota carlton

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4 blade head
hello,
I'm using aerodyne scale 600mm blades. As far as the rpm goes, I don't know because before I can clock it the clutch fries. Lighter blades and higher head speed is my next trick, if this doesn't work I might end up with another 2 blade helicopter, Thanks for the interest!
ken berg
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05-25-2016 09:13 AM  3 years ago
Andy01

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Brisbane, Australia

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Are the blades those dreadful TFModel "Composite" plastic scale blades that RCA used to sell ? There were notorious for inconsistent tracking and porpoising in FF. The later was the reason I ditched mine.

Colin
Vario Long Ranger 700e
Seahawk 600
UH-1N 500
Baumann EC-145 800+ (coming soon )
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05-25-2016 01:19 PM  3 years ago
Mojave

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Palos Verdes, Ca. USA

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Hi Ken, my first suggestion is to upgrade to the aluminum clutch bell, the plastic bell is simply not up to the task of spinning the 4 blade set. I have a set of those same RCA blades (not the plastic blades) and they are heavy. They fly well, but as Emile stated are probably too much for the gear train. I'd suggest a set of matt black Spin blades. They are much lighter at 85 grams per blade, have a narrower chord and cross section.
Also, have you checked how much clearance is between the clutch shoe and bell. A lot of slop will allow the shoe to slip and burn up the liner, especially while trying to spool up the heavier 4 blade set.
Barry
All helis and planes have an expiration date stamped on them...you only find it after you crash!!
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05-25-2016 05:07 PM  3 years ago
kenb

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cloquet, minnesota carlton

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4 blade head
hello,
Saddly, these are the plastic blades, $99.00 down the drain! Shoe clearance in the drum looks ok, but I think it could be a little less. The drum comes with the lining already in it, you could bend out the shoes a little. The aluminum bell is out of stock, but maybe I could order one. The 85 gram spin blades look like the answer. Thanks for interest and info!
ken berg
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06-07-2016 04:09 AM  3 years ago
blazer2

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maryland

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I think I have an extra clutch bell the alum. One.
ill have to check my stash. I have 5 big boxes of century parts.
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HomeScale✈️AircraftScale HeliScale Helicopter Main Discussion › century 4 blade helicopter
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