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T-REX 450 › 450 Pro Stripping front TT tail gears...... HELP!!!!
02-02-2010 02:57 AM  8 years agoPost 1
chbrjade

rrNovice

Fresno, CA

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I was told that there was an aluminum replacement gear but for the life of me i cant find it anywhere online does anyone know the URL if so please share. I have stripped this gear out three times. I bearly touched the ground with the tail and i mean barely and zap the gear strips out. what is the deal with this anyone else having this problem?

Catch It and See What It Eats!!!!

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02-02-2010 03:09 AM  8 years agoPost 2
kingair

rrKey Veteran

Utah - USA

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You really can't touch the tail blades on anything with power on. I auto my 450 pro all the time and buzz the tail blades on grass with no power and I've never stripped even one. I watched a fried just barely touch the blades on grass with full power and instant stripage. Not really much help I know but just some personal experience. The gears aren't a bad thing but you just need to know their limitations.

There is a very fine line between "hobby" and "mental illness."

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02-02-2010 06:01 AM  8 years agoPost 3
michael88997

rrElite Veteran

Lewisville,Tx

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I'm pretty sure metal tt gears on something this small would cause problems and most likely b able to strip as well... Just carry a piece of carpet and land on that

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02-02-2010 06:20 AM  8 years agoPost 4
ARFly

rrNovice

Mount Juliet, TN

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My 450 and 600 both have a torque tube ... land too hard (doesn't take much) and the front gears are gone.

Notice how you can buy em by the three-pack? There's a clue there somewhere.

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02-02-2010 01:09 PM  8 years agoPost 5
Justin Stuart (RIP)

rrMaster

Plano, Texas

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Get the black TT for the 450, not the silver one. It breaks before the gears break. The broken TT is easy to replace.

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02-02-2010 02:22 PM  8 years agoPost 6
michael88997

rrElite Veteran

Lewisville,Tx

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Or just buy/trade for a belt conversion kit

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02-02-2010 02:28 PM  8 years agoPost 7
wc_wickedclown (RIP)

rrProfessor

long beach calif

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i stripped my tt gear in the front , i wa missing a screw maybe your having the same problem watch my vid and you can see the screw

Watch at YouTube

Insha Allah made in america

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02-04-2010 12:09 PM  8 years agoPost 8
snjbird

rrKey Veteran

Kissimmee, Florida- USA

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As mentioned, Don't touch the tail. I also land in TH it is the only way to do it.

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02-04-2010 01:04 PM  8 years agoPost 9
Ghost Rider 414

rrApprentice

Hendersonville,NC. USA

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wc_wickedclown
Why do you have your tail on the left side and not the right?

Jerry
AMA 891553

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02-04-2010 01:43 PM  8 years agoPost 10
Justin Stuart (RIP)

rrMaster

Plano, Texas

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I was wondering the same thing myself.

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02-04-2010 02:14 PM  8 years agoPost 11
rcmiket

rrVeteran

El Paso,Texas

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Man I need to find a bulk supplier for those. I do the repairs for the LHS shop and I've gone though 10 in the last 2 weeks. One thing I'll say is the 450 Pro is one tough bird. All these guys are breaking is that gear,main blades and tail blades. I'm impressed just how tough this thing is.
Mike

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02-04-2010 02:20 PM  8 years agoPost 12
T-Rex-Flyer

rrElite Veteran

Panama City, Fl

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I was wondering the same thing myself.
Me Too, and why was the video shot up-side-down?

If the wings are traveling faster than the fuselage, it's probably a helicopter.

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02-04-2010 02:25 PM  8 years agoPost 13
Justin Stuart (RIP)

rrMaster

Plano, Texas

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All these guys are breaking is that gear,main blades and tail blades. I'm impressed just how tough this thing is.
So long as you don't crash into concrete, this is about the extent of the damage. That is why I think the 450Pro is a good beginner helicopter as well as expert helicopter.

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02-04-2010 04:01 PM  8 years agoPost 14
TrevJonez

rrKey Veteran

St.George, Utah - USA

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yea king was talkling about me on sunday it was the slightest tap and stripped the gear that rides on the autorotation gear.

thanks to his advice i now hit throttle hold while still a foot or two up so the gears don't get ruined everytime.

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02-04-2010 04:07 PM  8 years agoPost 15
snjbird

rrKey Veteran

Kissimmee, Florida- USA

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thanks to his advice i now hit throttle hold while still a foot or two up so the gears don't get ruined everytime.
Yup that is the key to landing most helis with or without a TT

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02-04-2010 04:12 PM  8 years agoPost 16
Justin Stuart (RIP)

rrMaster

Plano, Texas

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I've been flying a 450Pro for over a year now, and I have never once stripped the front or back tail gear. I did break a black torque tube once when I hit the tail on the grass, but it was a simple fix and took me only a few minutes. In that incident, the black torque tube sheared in half leaving the front and rear gears intact. I simply opened up the tail case, shook out the two halves of the broken torque tube, slid in a new torque tube, bolted on the tail case again, and flew some more.

I don't know why you guys are having so much trouble with this heli's tail? I have hundreds of flights on my older 450Pro, and I'm still running the original front and rear nylon tail gears.

Are you sure you're using this black torque tube:

http://www.readyheli.com/H45053_Ali...be_p/h45053.htm

And not some other kind of torque tube:

http://www.readyheli.com/H45054_Ali...be_p/h45054.htm

Do me a favor before you get a 450 Sport. Buy yourself a set of black torque tubes: H45053 for $10 and try them out.

I really think that Align is shipping the 450Pro kit with a black torque tube that DOES NOT break. I built mine from spare parts so it started with the H45053 torque tube. If you're building it from a kit, and you have a black torque tube installed, and you're still stripping gears, then something is wrong with the black torque tube you're using.

Order a set of H45053 torque tubes and try one.

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02-04-2010 06:21 PM  8 years agoPost 17
wc_wickedclown (RIP)

rrProfessor

long beach calif

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someone else asked me the same thing and i looked up a trex image and the tail looks like its ok to me im not seeing what you guys are .

the tail blades ?
tail rotor ?

or is it because the camera is upside down ? sorry bout that
help

Insha Allah made in america

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02-04-2010 08:27 PM  8 years agoPost 18
DustinB

rrNovice

Houston, TX

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Your tail is facing the wrong way, not the camera. If the tail is facing you the rotor is supposed to be on the right, not the left.

As for the gears stripping this happened to me once landing in grass. I took 2 round futaba servo wheels and a small bolt and nut. Bolted the wheels throught he small whole in the bottom of the fin with the fin sandwiched between them. The wheel are just the right height when sitting on a hard flat surface that there is about a 1mm gap from the ground to the wheels. I've landing rough in grass several times and no stripped gears, I run the silver tubes. I also auto from about 2 feet now though after seeing alot of other people do it.

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02-05-2010 02:44 AM  8 years agoPost 19
wc_wickedclown (RIP)

rrProfessor

long beach calif

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is that better ?


By wc_wickedclown, shot with KODAK EASYSHARE M1073 IS DIGITAL CAMERA at 2010-01-31


By wc_wickedclown, shot with KODAK EASYSHARE M1073 IS DIGITAL CAMERA at 2010-01-31

Insha Allah made in america

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02-10-2010 09:21 PM  8 years agoPost 20
ddavis72

rrNovice

Dallas, TX

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fin extension
I agree. Have stripped a few front TT gears on my Pro with minor contact. Bolted a plastic extension onto the ventral tail fin (about 1.5cm), haven't had trouble since. Keeps the blades off the ground.

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T-REX 450 › 450 Pro Stripping front TT tail gears...... HELP!!!!
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