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HelicopterHIROBOOther › Bad luck... Hirobo X-Spec 90
11-21-2006 05:11 AM  11 years agoPost 1
heliaddict1230

rrNovice

Norcal

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Whats up guys, some of you might remember me asking for upgrades on the X-spec 90 that I had just purchased about a month ago. I had not yet flown it at the time, and the advice was basically to fly first and upgrade later. Well I did fly it, for about 30 seconds before it was midaired by a $300 electric airplane. Lets just say extensive damage. So I did upgrade when repairing and installed among other things an Avant rotor head. About $850 and 2 weeks later, last Saturday at the end of the first gallon of fuel I had been having elevator servo issues, (not centering) when in a very fast inverted FF descent, the elevator servo stopped responding. Fortunately, at the last second it unbound and I was able to save it about 3 feet off the ground. My legs numb and heart in my throat. Only the throttle and elevator servos were not replaced from midair collision. Of course I immediately landed. Fortunatly, I was able to borrow an Airtronics servo from none other than Alan Szabo Sr. himself. So I replaced my Futaba 9252 (elevator). Then I went out to the flight line, excited to have fixed the problem. Went into hover expecting to trim, when my X-spec started to come back toward myself and Alan standing next to me, so I elevated forward and the heli came back very fast. We both ran for our lives, and just as my 90 smashed into the concrete I suddenly realized, GEE, I DIDNT REVERSE THE SERVO DIRECTION IN THE RADIO. Lets just say extensive damage...
SOMEBODY KICK ME!!!!!

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11-21-2006 11:41 AM  11 years agoPost 2
RayJayJohnsonJr

rrKey Veteran

Midwest

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Man! What a run of luck! The bad kind! Hope you don't give up on the X-Spec, she's a nice bird.

The big things will take care of them selves, it's the little things that'll turn around and bite ya in the ass!

-Mark

There, their and they're. It's really that simple.

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11-21-2006 02:26 PM  11 years agoPost 3
MRC-Hirobo

rrKey Veteran

Edison, NJ

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Ohh that blows for certain.

Don't worry you are not the only to have had that happen.

Give me a call if you like and I will help you with the rebuild.

We all can use a helping hand now and then.

Time to turn that bad luck around.

Jeff
MRC

MRC Host

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11-21-2006 02:35 PM  11 years agoPost 4
z11355

rrMaster

New England

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Yea, the old 'forgot to check/reverse the different brand of servo'
bug has bitten most everyone.

also, be aware that you needed to change the servo WHEEL too.
The Futaba splines are NOT the same as JR/Airtronics.

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11-21-2006 02:56 PM  11 years agoPost 5
Nitrohuffer

rrKey Veteran

Bloomingburg,NY

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leason learned on the preflight check huh. Been there. Everything comes in threes so it should be smooth sailing from now on.

Lungs transformed to take in water.

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11-21-2006 03:11 PM  11 years agoPost 6
AndyH

rrKey Veteran

Rockledge, FL

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Don't feel too bad! I've done that too!! Of course, it was just a Rappy 50 V1 so it wasn't that bad and it was aileron, so as soon as I lifted off it basically just tipped right over!

I had just switched from Hitec servos to Futaba! The thought never even dawned on me to check!

I learned a lesson from it though - always always always check to make sure the swash is going the right way before taking off!

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11-21-2006 04:20 PM  11 years agoPost 7
slant911

rrVeteran

Las Vegas, NV. Hirobo, Magnum Fuels, MAH

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Red,

I hadn't heard about the latest incident. Give me a shout and I'll help you get er back in the air.


John B. McNamara

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11-21-2006 08:06 PM  11 years agoPost 8
heliaddict1230

rrNovice

Norcal

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Thanks guys, feeling better...

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11-22-2006 07:59 AM  11 years agoPost 9
Inspiron

rrApprentice

California

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Red,

dont worry, when i get back from NY. We build your heli together..
I am sure after that you will love your x-spec..

^_~

T.

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11-22-2006 08:59 AM  11 years agoPost 10
Kona Chopper

rrKey Veteran

Kailua-Kona, Hawaii USA

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Been there..done that..Let's just say "very a hot start"..



Why buy?? when you can borrow and no return

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11-22-2006 12:48 PM  11 years agoPost 11
Lewd Skywalker

rrApprentice

Manila, Philippines

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Hi there, sorry about the crash. Sometimes we learn the expensive way.

I too had my share of badluck (and stupidity I guess). Three weeks ago, I just got a brand new, spanking hot Sceadu Evolution Op. version (SWM, all metal uprade or probably Sceadu Evo 3D version in the US). I upgraded it at once to Sceadu EX parts (i.e. CF boom, supports, tail servo holder, EX tail case, etc) which were available at our LHS so it's the most blinged Sceadu Evo heli in the Phils. I set-up the radio (12Z) at the field, and due to my excitement I did the normal pre-flight, proceeded to the flight line, spooled up the brand new 610mm Funkey CF blades, then bang! The heli suddenly rolled to the left. Upon checking, wow aileron movement were reversed. This didn't register in my mind during pre-flight because I was overwhelmed with excitement to fly. Blades, flybar and spindle were damaged. Crashed on the maiden flight, on the ground It wasn't even in the air.

AndyH, seems we have similar story here hehe.

SDX FBL | Eagle3 SWM | Trex 600EFL Pro

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11-22-2006 04:13 PM  11 years agoPost 12
2Pac

rrApprentice

Jax. Fla. USA

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Hey Red,
Bro dont feel bad. This is worse. I sold a homeboy my Raptor 60 full blinged UK head and tail ready to fly. He never flown or started a gas heli before but he flown trex's full pledge loop, inverted and all. Since we have the same radio he ask for my setting. I give it to him to the T so i thought. I have ask him to go to a field to where someone can help him set it up. I also told him not to go by my set-up since diff. style of flying, diff. setting. He was so excited that he want to fire up the engine and let it run so he went ahead and try to fire up, With the blade not attached he fired up. The engine is at full throttle when the heli started. You know what happens then...A ys61 with MP2 on full throttle with un-experience hand = disaster..He got some scratches and bruises as a result. He still was lucky because the main blade was not on it and no one around him. I feel bad because we miss one very important thing..The throttle SERVO reverse.. Now his okay and enjoying it. Sometimes because of our excitement and anxiousness to get her flying we miss some safety pre-cautions and to me thats the name of the game. We are engulf by that adrenaline rush that we get out of this hobby.

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11-22-2006 04:23 PM  11 years agoPost 13
Dr Lodge

rrElite Veteran

Guildford, Surrey - UK

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That kind of mistake really sucks. I always check the tail servo and gyro sense/direction - something thats easily overlooked also. Once I didn't and the heli started piroetting violently but I was able to get the thing down without damaged.

I tend to check the obvious after a rebuild - servo direction and make sure everything is connected and moving properly, that the head is securely on, and the tail is being driven. That should prevent 80% of big failures.

Vibe 90, Vibe 50, Vigor CS x2,
Dyna-x, Knight 503D, Logo 10,
TRex 500, Furion, Gaui EP200

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11-22-2006 11:32 PM  11 years agoPost 14
Raptorize

rrApprentice

Arizona, USA

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I had mishap myself, I used to own xcell 60 custom with wc 61 motor. I brought upgrade throttle linkage (metal one) and got it fired up without the main blades. Good enough head spun at high speed, I was able to grab the boom because it was moving toward to me. Did not think clearly at that moment I tried to kill the motor by close the exhuast, good enough the paddles hit my two finger! I had deep cut. I realized I had my throttle on reverse! Oh man, it was scary and my heart rush! Never forget that moment. My lesson learn and I alway check the swash movement, throttle and tail servo. Heli is like a load hand gun!!!

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11-23-2006 11:51 AM  11 years agoPost 15
deafheliflyer

rrKey Veteran

Arizona

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hi
How about this one..

I had a Caliber 30, I was about to take off... the heli thrashed violently but would not take off....... As it was thrashing, the battery got loose and flew off........ I tried to stop the blades from moving (ugh) Didnt work out too well and it did the chicken dance..

I found the problem, I reversed the main blades LOL!!! Lesson learned

Now, after several birds... I build and I have my flying buddy check my work out and make sure everything is nice before taking it up...

Crash-Prone and overcoming it!!!

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11-23-2006 03:59 PM  11 years agoPost 16
hellflyer

rrApprentice

Staten Island NY

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You shuld upgrade the servos before you upgrade the heli !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

The first step in gettin help is admitting you have a problem ( yes I am addicted to helicopters )

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11-24-2006 01:13 AM  11 years agoPost 17
heliaddict1230

rrNovice

Norcal

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Definitely some very interesting stories, and it just goes to show that with helis as much as you are in control is equally as much as you are out of contol. I think that the best advice here is that after any repair or modification no matter how big or small, its a great idea to have a buddy look it over. This should eliminate the (excitement error) especially for people like me who think they know what their doing. As for (upgrade servos before the heli). Dude, Futaba's digital 9252s combined with Hirobo's push pull leverage linkage system, actuating Avants Aurora custom built rotor head and Alan Szabo's signature 690 V-blades is extremely fast and rediculously responsive. Granted I should have went through all the servos after the midair, but, crash and learn. If your bird is nearly as quick as mine with different servos then hats off. And yes I agree keep the shiny side up, but only when landing.

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11-24-2006 03:58 AM  11 years agoPost 18
50feet

rrKey Veteran

Wilmington, Delaware

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I did the same 2 weeks ago....
I put 2 new servos in... When I spooled up the trim was off and the heli started to tilt left. I tried to correct the trim and BANG tip over! I felt like such an ass because every one was watching and it was a stupid mistake that could have been avoided with a preflight check. Thats what happens when you do work at the field. You rush to get it in the air and miss stuff.

A few weeks before that another pilot was rushing to get this expensive carbon hot liner in the air... he fired it and up tossed it... it climbed about 8 feet then started to level off so he pull back on the controls and drove it in the ground destroying it. I'm just glad I never got mine off the ground because it would have come back at me or ended up with more than a bent boom and broken blades

Youtube BigballVlogs

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11-25-2006 09:28 PM  11 years agoPost 19
gemheli

rrApprentice

Taunton,Somerset, England

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Hello,
I not sure it was bad luck. As you put the servo in and didnt check if it was moving in the right direction before you operated a 15cc cicular saw right in front of you.
How hard can it be to check that the swash plate moves in the correct direction with your control inputs on a prestart/preflight check.
Stick forward, swashplate forward.
Should be, lucky I didnt cut my head of.
Gem heli.

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HelicopterHIROBOOther › Bad luck... Hirobo X-Spec 90
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