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Other › Trex 470 new 74mm tail blades a must have
02-18-2017 10:46 PM  9 months agoPost 1
lightningrc

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UK

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Well my tail on my new 470 has been awfull , been under powered and bouncing around .
Messed around with moving the servo ball in and out and nothing helped .
Fitted the new 74mm tail blades standard are 69mm and wow it's a different heli .
Managed to Wack my gain really high and it now is totally locked in and matches the heli .
Basically it's now a mini 700
Well pleased :-)

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02-18-2017 11:54 PM  9 months agoPost 2
NQNA

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USA

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Have you tried the new extended tail rotor output shaft? I have upgraded mine to the long blades and shaft, but haven't flown it yet..

https://rc.runryder.com/helicopter/t581798p1/

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02-18-2017 11:59 PM  9 months agoPost 3
lightningrc

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UK

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I've only fitted the 74mm blades but I think my 470 is one of the newer kits .
Do you have any measurements so I can check if mine already has it ? Or did none of the kits have it and this is again some thing Align is making us buy !!! Ra

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02-19-2017 06:20 AM  9 months agoPost 4
NQNA

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USA

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The new item is: 470L Metal Tail Rotor Shaft Assembly H47T021XX

The dimensions are Φ12.5x48.5mm/15T

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02-19-2017 08:04 AM  9 months agoPost 5
lightningrc

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Ok thankyou

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02-19-2017 07:08 PM  9 months agoPost 6
NQNA

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Here are the best pics I could take of the difference in length.

I measure 30.00mm on the new red shaft from gear to end and 28.50mm on the older unit.

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02-19-2017 08:28 PM  9 months agoPost 7
lightningrc

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NQNA ur amazing thankyou very much , tomorrow I will check the length of my shaft lol

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02-19-2017 11:00 PM  9 months agoPost 8
NQNA

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Lol

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02-25-2017 11:48 AM  9 months agoPost 9
lightningrc

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UK

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Hello NQNA
Finally renewed the shaft , strange thing is even though my 470 had the black gear in it the shaft length was exactly the same .
As you know though this gear is now more beefed up and not pressed on like the black one .
Align often make little changes and don't say any thing , my kit was quite a recent one and not the first batch

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02-25-2017 05:31 PM  9 months agoPost 10
NQNA

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USA

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Align produced the black gear version first and then the red gear version. The red version has replaceable shafts so you can reuse the gear.

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Other › Trex 470 new 74mm tail blades a must have
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