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06-21-2014 01:15 PM  3 years agoPost 1
PaulBowen

rrKey Veteran

Victoria, Australia.

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Hello.

I am looking at buying a new Caliber E12S Impaction and have noticed in the parts list that the teetering bolts and bearings are no longer used on the v06 head.

Does anyone have a reason for this?

Futaba T18SZ, JR Propo XG14, Hirobo fanatic!

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06-22-2014 02:54 AM  3 years agoPost 2
Olorin5

rrNovice

Taupo, New Zealand

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Yes I've noticed this as well. Quest have introduced a new spindle shaft for their "Neo" series of helis (CA6534), which is a straight shaft more like the one on the original Caliber 90. I don't have an Impaction, but I do have their FBL12-2 flybarless head on one of my 90's, and that also has the newer shaft. Unfortunately I can't answer your question about why they've done it, and I don't have enough stick time with the new head to notice a difference (and it's FBL anyway).

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09-08-2014 08:45 AM  3 years agoPost 3
Rappy Boy

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Singapore

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The bolt in the center of the spindle to the yoke caused some wobbles at certain rpms. I have the caliber ver.06 and had to take the bolt out to get the right rpm and stop the wobbles. I'm sure someone here will explain it better then me but from my understanding it made the spindle too rigid which caused the issue. I have flow without the center bolt ever since in competitions with no problems. Hope this helps. In short the center bolt caused more trouble with no real gains.

Fred

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09-08-2014 09:55 AM  3 years agoPost 4
PaulBowen

rrKey Veteran

Victoria, Australia.

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Thanks Rappyboy.

After much deliberation I have ordered a Turbulence D3v2. The D3v2 has a similar pivoting head.

Futaba T18SZ, JR Propo XG14, Hirobo fanatic!

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09-08-2014 10:15 AM  3 years agoPost 5
Rappy Boy

rrNovice

Singapore

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Thanks Rappyboy.
After much deliberation I have ordered a Turbulence D3v2. The D3v2 has a similar pivoting head.
No problem, I would recommend changing the aluminum tail pushrod for a carbon at some point and to keep track of any fatigue on the hirobo blue metal parts. I've had six of the aluminum tail pushrods fatigue and snap at the setting pin and one metal flybar cage snap in mid flight all without any crashes.

Fred

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