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HomeScaleAircraftScale HeliScale Helicopter Main Discussion › md 530 head speed quetion
02-04-2008 05:28 PM  10 years agoPost 1
datidun

rrElite Veteran

N Ireland

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hi all just wanted to know what head speed is good for a md 530 scale heli ,as im running mine on 1900 head speed with os 50 hyper ,just thought maybe its a bit high as i noticed a lot of vibration coming from the you know the big horizontal tail part .main needle is one and a half turns fairly rich ,many thanx.

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02-04-2008 05:46 PM  10 years agoPost 2
Noddy-01

rrApprentice

Doncaster/England and Bangkok

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According to the manual 1600 to 1700 rpm. I have just completed mine and need to make a couple of adjustments. According to my local hobby shop it's advisable to run a govenor on the Hyper because it gas a tendency to over rev if you're not carefull. This is my first hyper and I have been very carefull programming my curves but it's still a tad on the livley side.

Paul

Little boys never grow up, their toys just get more expensive!

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02-04-2008 06:05 PM  10 years agoPost 3
busyflyin

rrVeteran

Owosso, MI USA

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I ran mine at 1500 normal 1700 idle up. I also had a different pitch curve for a good stable hover -5 +5 +9

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02-04-2008 07:03 PM  10 years agoPost 4
BarracudaHockey

rrMaster

Jacksonville FL

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1700 to 1750

Unless you're trying to fly 3d with it, if you're trying to look scale that is plenty.

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

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02-05-2008 10:41 PM  10 years agoPost 5
Ragged Man

rrNovice

Lakewood CO. USA

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MD530
1700 to 1800 should work. I made a rubber isolater between gearbox and tail fin to get rid of vibration. Was actually a insulator from under the coil in a chevy HEI distributor. Nice thick round rubber washer, drill 2 holes squeese between fin and gearbox. Vibration gone! RAGGED

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02-05-2008 11:13 PM  10 years agoPost 6
Rodan

rrVeteran

Prescott Valley, AZ

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I'm running ~1850, but I fly at 5000ft. I'm also running the "optional" Titan gearing, 8.73 IIRC, to keep the engine closer to it's "happy place".

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