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HelicopterHIROBOOther › Freya tail on EVO 50
11-27-2007 02:24 AM  9 years agoPost 1
h-muffin

rrNovice

moreno valley ca

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Does anyone have the part numbers to convert to the Frey tail assembly? And is it woth doing? Any suggestions on tail mods?

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11-27-2007 02:35 AM  9 years agoPost 2
Mr_Magoo

rrVeteran

Nevada

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It depends on the gyro. When I used to use a GY401, the Freya Tail helped, because the 401 liked a tail with a lot of authority. A gyro like the new JR770 isn't going to like an over powered tail. If your stock tail is performing well with the gyro you have, there's no reason to upgrade to the freya tail. If you decide to upgrade, Ron Lund's website has the Freya Parts Diagram. The two stock evo50 tail bearings are reused in the freya tail.

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11-27-2007 02:43 AM  9 years agoPost 3
Leif

rrElite Veteran

USA

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Here's the list of parts:

******************
0414-164 Freya Tail Rotor Hub
0404-662 Freya Tail Grips
2500-070 3x9x3 Bearings
2506-003 Washers
2532-028 M2x8 Screws

You re-use the existing radial and thrust bearings from the stock setup. You can re-use the M2x8 screws as well, but I put them in the parts list in case you don't want to do that.

The Freya tail is almost too much authority with 92mm blades, but works beautifully with the carbon MAH-90mm tail blades that ship with the Evo 50. I find tail blowouts to be almost non-existent with the Freya tail, while the stock setup will blow out if you bog the engine during backwards maneuvers (backwards loops in particular).

The Freya tail modification adds 17mm to the overall tail diameter. I wouldn't recommend running blades over 92mm with this mod. You can get away with 95mm blades without risking a blade strike but the tail is then too strong and you tend to get tail hunting at high RPMs even with the gyro gain turned way down.

Leif

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11-27-2007 03:03 AM  9 years agoPost 4
balsapro

rrVeteran

Gallatin,TN

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Probably one of the best upgrades you can do to the evo. It will give ya much more tail authority. However, stay away from the speed up gear, it will cause the engine to bog in fast piro's.

Build the Best, Fly the Best, Crash the Best

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11-27-2007 03:04 AM  9 years agoPost 5
h-muffin

rrNovice

moreno valley ca

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thanks

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HelicopterHIROBOOther › Freya tail on EVO 50
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