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05-11-2011 06:55 PM  7 years agoPost 1
Helizrule

rrVeteran

Lake Ariel, PA

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Crashed my Predator gasser this morning. Lost tail rotor authority. Did a piro auto from far away and saved the machine from serious damage. Got a boom strike and one expensive blade.
Apparently the Align step-down wire on the tail servo broke off and then I had no tail servo control. It's always the cheapest part that caused the crash lol. I'll be in the basement late tonight. Just need to order blades asap.


The Align Culprit

One mile of road will take you one mile. One mile of runway will take you anywhere in the world.

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05-11-2011 10:49 PM  7 years agoPost 2
aerosmith

rrApprentice

Mississippi

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Good save!
Hope to hear your doing test flights soon.

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05-13-2011 11:52 PM  7 years agoPost 3
al_voisine

rrNovice

Grand Falls, New Brunswick, Canada

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From the look of how it's assembled, that component was bound to break. On your next one I suggest you stuff the ends with Goop or silicone to act as strain reliefs.

Al

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05-14-2011 01:32 AM  7 years agoPost 4
Helizrule

rrVeteran

Lake Ariel, PA

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Al, that is a great idea I will GOOP it tonight. Heli is all back together.

One mile of road will take you one mile. One mile of runway will take you anywhere in the world.

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05-14-2011 02:06 AM  7 years agoPost 5
fastflyer20

rrKey Veteran

N. Tonawanda, NY

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Better yet, install a 6v tail servo and eliminate the step-down.

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05-14-2011 02:12 AM  7 years agoPost 6
Helizrule

rrVeteran

Lake Ariel, PA

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Yes, good idea however I already have a home equity loan out for the BLS-251 already installed lol. Why Futaba does not make it 6V ready is beyond me.

One mile of road will take you one mile. One mile of runway will take you anywhere in the world.

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05-14-2011 02:53 AM  7 years agoPost 7
fastflyer20

rrKey Veteran

N. Tonawanda, NY

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Got ya on the BLS, very nice servo. You can also shrink wrap the step down to reduce the flex in the wires.

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05-14-2011 06:07 AM  7 years agoPost 8
rbort

rrProfessor

Franklin, MA - USA

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Glad to hear its back together
And hope to see you in Hamburg tomorrow

-=>Raja.

MA 1005 Hanson 280, 4220 flts
Spectra 27 3DMax, 3310 flts
Whiplash V1-2 Hanson 300, 1618 flts
Whiplash V2 Hanson 300, 473 flts

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05-15-2011 12:43 PM  7 years agoPost 9
Asid

rrVeteran

uk

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Why Futaba does not make it 6V ready is beyond me.
Most folks been using it on 6v for years no problems.

heres the official spec sheet: http://cms.robbe.com/downloads/Tech...Servos_2010.pdf

[img] /gallery/71439/251_spec.jpg [desc]

If it ain't broke then break it.

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