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HelicopterHIROBOOther › Hirobo - can we have a harden Freya tail shaft?
10-08-2005 03:18 AM  12 years agoPost 1
yapjy

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Singapore

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Hi Hirobo,
Can we have a harden Freya/Freya Evo tail shaft?

Mine got crooked with even with a gentle knock. Otherwise, my Freya has been maintanence free for the past 5 months.

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10-08-2005 11:26 AM  12 years agoPost 2
carcrasher

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east coast

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Add to that a tail hub.

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11-13-2005 02:09 PM  12 years agoPost 3
yapjy

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Singapore

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Dear Hirobo,
I have to replace the tail shaft on my Freya again. This piece barely survives 1 month. Can you please consider making a harden tail shaft? My Christmas wish, please?

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11-13-2005 03:49 PM  12 years agoPost 4
mrNoodles

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Borlänge, Sweden

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Dear Yapjy
Please consider not using the tailblades on your Freya as a lawnmover.

Ive bent one tailhub on a auto thru a pile of snow, otherwise no problems with either the hub or shaft.

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11-13-2005 06:07 PM  12 years agoPost 5
modtron

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Oxford. UK

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It's quite possible, that hardening a shaft of the diameter may make it very brittle. In which case, what would be better - to bend slightly or to snap off completely ?
Any ding on the tail, no matter how minor, is more than likely to bend it.
I'd be more worried about what's hitting the tail?

Modtron
Oxford UK

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11-13-2005 06:14 PM  12 years agoPost 6
nivlek

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Norfolk England

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In which case, what would be better - to bend slightly or to snap off completely ?
At least anybody would be able to instantly spot the problem .

At the end of the day , it gets dark .

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11-13-2005 06:20 PM  12 years agoPost 7
Agilefalcon

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Fort Worth, Texas

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What are you doing to your tail shaft? In 4 years of flying Freyas, I've bent one and that was because I ran it into the door jam as I was loading my car.

Making it hard could cause other problems like fracturing. Plus, it would make it a lot more expensive.

Chris.

Chris Berardi
Team BobbyJack's Hobbies

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11-13-2005 07:52 PM  12 years agoPost 8
mrNoodles

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Borlänge, Sweden

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It's quite possible, that hardening a shaft of the diameter may make it very brittle. In which case, what would be better - to bend slightly or to snap off completely
Sounds like MA's way of solving things

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11-14-2005 12:39 AM  12 years agoPost 9
yapjy

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Singapore

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I don't know why it bends easily. It did not hit any grass.
I guess there are some knocks here and there during transportation but can't help with that.

There's numerous harden tail shaft from other makes of helicopter. I'm quite sure it will not be a big issue. Haha, or else, talking about bending VS breaking, then how many of us are using the harden main shaft on our Freya?

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11-14-2005 07:18 AM  12 years agoPost 10
jkelly

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Bedford, PA

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You should market a Freya "soft tail" enclosure. It could clamp over the tail section.

I bent my hub the other day doing an auto onto a piece of carpet. Slid off the edge a bit and "WACK" there goes the hub. The tail shaft was good tho! I have a collection of bent hubs assembled on a bent shaft. Makes a neat piece of art.

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11-14-2005 02:49 PM  12 years agoPost 11
Scooterpilot

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Southern, California

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Tailshaft

Hi,

I had my tail shaft for well over a year and it has been flawless. It's on a Freya SST with a YS 61.

For me, as long as auto's are excuted correctly and the T/R blades don't hit the ground, the T/R drive shaft works well.

Regards

Scooterpilot

Team Thunder Tiger, Team Futaba, Two G-4's, Two X50's YS60SR,Tx12Z/14FG,YSRep,RailBlades/S

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11-14-2005 07:46 PM  12 years agoPost 12
modtron

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Oxford. UK

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"how many of us are using the harden main shaft on our Freya?"

A hardend shaft of 10mm diameter will be considerably stronger than a shaft of 6mm diameter.
It's all to do with the surface depth of the hardening proccess.

Modtron
Oxford UK

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11-15-2005 12:59 AM  12 years agoPost 13
yapjy

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Singapore

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"A hardend shaft of 10mm diameter will be considerably stronger than a shaft of 6mm diameter. "

A rotor blade of 680mm is considerably larger than a tail blade of 92mm.

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11-15-2005 01:07 AM  12 years agoPost 14
SolarXtreme

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Arroyo Grande, CA

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I dorked my EVO 90 in on it's tail pretty hard last weekend. It hit hard enough to strip the tail drive gear and the pinion on the shaft that drives the belt and ate up my SAB tail blades. Replaced the pinion and lower drive gear and flew the #!?@ out of it the next day without issue. In my experience the tail shaft and hub is very strong. I dorked my EVO 50 tail blades in twice in the past without bending anything.
.

I picked a hell of a day to quit drinking

Avant EFX
Freya EVO

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11-15-2005 03:19 AM  12 years agoPost 15
jkelly

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Bedford, PA

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It's kind of subjective.

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11-15-2005 06:07 PM  12 years agoPost 16
bald eagle

rrVeteran

detroit michigan

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3 90s same tail shaft on all over 200 hours on all three no problems until i crash and i do not crash that often once twice a year
every year i burn over 40-50 gallons of fuel i agree with the other guy
stop using it as landscaping equiptment

thanks jeff

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11-16-2005 12:56 AM  12 years agoPost 17
yapjy

rrKey Veteran

Singapore

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Individual experience is subjective.

But making a harden tail shaft doesn't hurt and I'm willing to pay more for it.

I hope Hirobo is reading this.

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11-16-2005 05:14 PM  12 years agoPost 18
Patriot

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Luton

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I have had a problem with the hubs but not the shafts, I have just ordered my fourth hub, granted two were crashes but the other two I have no idea why, thought it was just me.

Just smile

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11-16-2005 07:51 PM  12 years agoPost 19
mrNoodles

rrProfessor

Borlänge, Sweden

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Something has to go...

Using the tailblades as a lawnmover will break something else if the shaft doesnt bend.

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11-16-2005 08:03 PM  12 years agoPost 20
Detroit Steve

rrApprentice

Michigan

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Harder tail shaft??? I've had very good luck with my tail shaft itself, I have bent a few tail hubs from the lawnmower trick though I really doubt it happens in flight. Don't you suppose one of the insane piro masters like Ray or Augusto would have bent one by now? If that hirobo part is strong enough to hold up to the cruelest stuff Augusto can throw at it, than I'm gonna keep using it. Man, that guy is insane!!!

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HelicopterHIROBOOther › Hirobo - can we have a harden Freya tail shaft?
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