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HomeAircraftHelicopterHelicopter Main Discussion › Which one is better?
04-24-2009 04:49 PM  9 years agoPost 1
LaurenceGough

rrElite Veteran

UK

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Hi guys, just wondering which one you think will work better in flight.

Both CNC main rotor hubs. If you look closely you can see #1 has a cutaway where the feathering shaft is. #2 doesn't.

This is for a 450. Trueblood V1 dampeners.


1


2

Thanks!

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04-24-2009 05:55 PM  9 years agoPost 2
broggyr

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Naugy, CT

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The cutaway in the first pic does not look like it was there at time of manufacture - it looks kind of rough. I wonder why it's there...

- Brian
irony [ay-ruh-nee', ay-er-nee'] adj.: Like goldy or bronzy, but made of iron

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04-24-2009 06:02 PM  9 years agoPost 3
HydroJoe

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SF,CA

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Why would you want that cutout? What purpose does it serve? If I was goin' to pick one it would be the one w/o the cutout.

T-Rex 450 SE V2 , T-Rex 600 NSP, Stryker F27 C....Yea, it's a plank.

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04-24-2009 06:04 PM  9 years agoPost 4
LaurenceGough

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UK

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Well it may well have not, I can't remember it was a while ago when I put it in. It was in a crash today.

I know it's kinda rough but still neat overall, and really am not sure if a crash can do that kinda neat damage.

I was planning to put the 2nd one in but I didn't want to make flight performance any worse. (if it would)

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04-24-2009 06:52 PM  9 years agoPost 5
broggyr

rrKey Veteran

Naugy, CT

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I don't think you'd be able to tell the difference; my gut would have to go with #2...

- Brian
irony [ay-ruh-nee', ay-er-nee'] adj.: Like goldy or bronzy, but made of iron

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04-24-2009 07:03 PM  9 years agoPost 6
VooDooX

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San Francisco Bay Area CA, US (San Mateo)

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i think the cutout would have no affect other then making the dampner softer cuz it can deform more in that spot

Velocity 50 "99.9999999999999% of an atom is empty space." also 01001000 01001001

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04-24-2009 08:06 PM  9 years agoPost 7
Saint728

rrProfessor

Honolulu, Hawaii

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If there is nothing wrong with #1 and your using it then I would just stay with it until you need to change it out for #2.

Take Care,
Cheers, Patrick

Check the hotties in my Gallery
http://rc.runryder.com/helicopter/gallery/9019/?all=photo

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04-25-2009 01:39 AM  9 years agoPost 8
bcm

rrApprentice

Tuolumne,CA

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number 1 is showing the break out created by the pilot drill for the mainshaft. Number 2 is either not drilled thru, or they used a smaller drill for the pilot. the reason number 1 is "rougher" is because it has left a feather edge where it broke out. The slot is not there by design.

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