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Home✈️Aircraft🚁HelicopterAlignT-REX 700N › OS91 HZ WONT FIT MY 700N
05-29-2016 12:52 AM  3 years ago
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Helinige

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England

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OS91 HZ WONT FIT MY 700N
Am I doing something wrong here, my os 91 hz will fit snug but the carbon base plate does not sit true how is this possible and am I doing something wrong here? help grrrrrr
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05-29-2016 05:39 AM  3 years ago
Funky Trex

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Westerville, OH - USA

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Post pictures if you can. I have seen many 700Ns running the 91HZ without issues.

Plenty of O.S. 105s in 700Ns without issues too.
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05-29-2016 06:47 AM  3 years ago
don s

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Chesapeake, VA

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Engine mounts inverted?E820, Raptor G4N, X50F/E, E620, Forza 450, and some planks.
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05-30-2016 08:50 PM  3 years ago
Helinige

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England

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HZ WONT FIT
yeah, I took a 105 out as purchased the model secondhand, whey too much power decided to use a 91 HZ as I am no 3 d nut!! Had to use file away a portion of the base plate,

If you invert mounts you have no fixings for the centre screws on the base plate...
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05-31-2016 03:21 PM  3 years ago
dchekas

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Farmington, CT

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This is normal on the 700N DFC, which has a narrower bottom plate compared to the older Limited edition and earlier models.

The 700N DFC was intended to be used with the OS 91HZ-R Speed 3D and 1.05HZ-R engines, which have a rounded cylinder head.

The OS 91HZ and HZ-R both have squared cylinder heads, and the corners can interfere with the bottom plate.

As you found, dremeling reliefs to accommodate the corners is necessary to properly fit the older engines.
Team Align, Team Futaba, Team Byron Fuels, Team Thunder Power
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