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Other › What's your VBar 5.0 vibration readings?
10-14-2010 09:41 PM  8 years agoPost 1
msg73

rrApprentice

NJ

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Trying to see what most people have for vibration readings on the VBar 5.0 software? What should be the highest reading that you should fly with?

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10-14-2010 09:50 PM  8 years agoPost 2
Justin Stuart (RIP)

rrMaster

Plano, Texas

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My electrics are about 1/3 up the red scale (on the right side). I don't recall the exact number. My gasser was all the way to the top of the red scale and was unflyable. I had to get a new motor for it.

Avant RC
Scorpion Power Systems
Thunder Power RC
Kontronik Drives

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10-14-2010 10:28 PM  8 years agoPost 3
cbaquol

rrVeteran

Phoenix, MD

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I've got vibrations in the low 2000 range on my 600N and it flies great, I've also looked at a Raptor 90 with the vbar vibration readings in the 3000's and it also flies great

Baltimore Boyz

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10-15-2010 12:08 AM  8 years agoPost 4
helicraze

rrElite Veteran

Victoria - Australia

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Doing tic tocs as fast as i can i get about 3000 on the TDR.

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10-15-2010 12:51 AM  8 years agoPost 5
4cyclic

rrKey Veteran

Montreal, Can. and northern Vermont

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was getting 800 ish on my Protos tail, now down to less than 300. A friend had 1000 on his T500 tail, now down also less than 300. Quite easy to get dialed down.

Life is meaningful flying helis.

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10-15-2010 07:59 PM  8 years agoPost 6
Flying Dutchy

rrNovice

The Netherlands

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Can you explain how you got it down to under 300? My Protos has around 2700! Motor only gives me around 50 but as soon as I connect the tail it gets very high!

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10-15-2010 09:54 PM  8 years agoPost 7
4cyclic

rrKey Veteran

Montreal, Can. and northern Vermont

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Start by balancing tail blades to 1/100 of a gram
Then high point whole tail assembly. Get your base
vib number.

Then start balancing dynamically. Trial and error.
A little piece of heavy vinyl tape on one blade,
Switch to other blade if number is worse. Once you know which tail blade to put tape on, you play with size of tape.

Took me less than 15 minutes. My friend, 2 hours !

Life is meaningful flying helis.

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10-16-2010 08:10 PM  8 years agoPost 8
Andy from Sandy

rrElite Veteran

Bedfordshire, UK

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On the bench all up without main blades I have a figure of 150 whilst running a headspeed of 1930 - 1940 on a Logo 500.

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10-16-2010 08:58 PM  8 years agoPost 9
anjki

rrNovice

northants,uk

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on the bench with tail blades on i have managed to get mine down to 210.this is on a logo 600 3d at 2170 headspeeed.
once i had found the sweet spot for gear mesh,i then worked on the tail.
i have found a big diferernce in the way the v bar feels in flight, now i have lowerd my vibration readings.its more locked in than ever now!
trust me,most of these high readings i keep reading about on other peoples models are coming from the tail.if you have a high reading i sugest you take the complete tail off the model and take another reading

andy k

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