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T-REX 450 › Trex 450L crash
09-21-2013 11:51 PM  5 years agoPost 1
michael88997

rrElite Veteran

Lewisville,Tx

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Well I believe I have the first one that went in, came down pretty dang hard.

List so far includes:

Main blades
Main shaft
Top bearing
Main gear
Boom is slightly bent

Doesn't look like anything else broke, not too bad for hitting full negative

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09-22-2013 12:47 AM  5 years agoPost 2
AWittleWabbit

rrElite Veteran

O.C., CA

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Sorry to hear it went in.

Glad the frame held up though. How are the new Align servos? Do they have slop?

Heli-itis sufferer.

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09-22-2013 03:01 AM  5 years agoPost 3
knightofcarnage

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chicago

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So you did not strip a servo? Amazing

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09-22-2013 03:14 AM  5 years agoPost 4
wrongler

rrProfessor

Brewerton, New York

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What caused the crash?

Bill Whittaker

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09-22-2013 05:41 AM  5 years agoPost 5
Toadster25

rrKey Veteran

Iowa

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You think the blade grips and head block are okay too?

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09-22-2013 06:24 AM  5 years agoPost 6
michael88997

rrElite Veteran

Lewisville,Tx

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Yeah blade grips and head block look fine, I don't think the spindle is bent either.. The ground jumped up and bit me is what caused it lol

I was invered flying in and real low, though I was too low so instincts kicked in I hit Th and full neg pitch. The heli went up and I flipped it upright, not being use to the align esc I kicked the power back on and instant full throttle tail spinning and bam into the ground.

The servos feel fine but I'm going to take them apart and double check, still have zero slop in them

Since it was only me and a align pilot with them I had a few spectators, hopefully someone got video lol, but man it's so much fun to fly, wish I bought a backup

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09-22-2013 06:52 PM  5 years agoPost 7
knightofcarnage

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chicago

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The servos feel fine but I'm going to take them apart and double check, still have zero slop in them
This would be amazing.

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09-23-2013 04:39 PM  5 years agoPost 8
michael88997

rrElite Veteran

Lewisville,Tx

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bad news guys, I stripped 2 servos.. it only knocked 2 teeth off so I think their stronger, but this thing moves so fast if it hits hard still takes them out

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09-23-2013 05:30 PM  5 years agoPost 9
knightofcarnage

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chicago

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well the good news for you is that Align did just release replacement gears.

http://shop.align.com.tw/product_in...roducts_id=5109

also which gear did you strip if you can tell me for the diagram that align provided.

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09-23-2013 05:39 PM  5 years agoPost 10
MAYHEM

rrApprentice

Motorcity

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I stripped 2 G5's...crashed mine in some long grass...just a front torque tube gear, main link, and the servo gear, blades are even okay

Marshall

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09-23-2013 05:40 PM  5 years agoPost 11
michael88997

rrElite Veteran

Lewisville,Tx

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yeah I talked to assurance and they said could be in 'Merica this week if not would be next.. it took 2-3 teeth off G5 from the front 2 servos, their not too hard to change and prefer that than changing expensive metal or frames out

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09-23-2013 05:40 PM  5 years agoPost 12
michael88997

rrElite Veteran

Lewisville,Tx

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I stripped 2 G5's
haha posted at same time, looks like that one is the weakling

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09-23-2013 05:51 PM  5 years agoPost 13
knightofcarnage

rrElite Veteran

chicago

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Yea that is the most common gear that gets striped. I wish Align or any other servo manufacture would bulk sell that gear. Also i think not striping a servo with lager blades is almost impossible (in 450 size).

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09-23-2013 06:42 PM  5 years agoPost 14
michael88997

rrElite Veteran

Lewisville,Tx

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bigger blades, dfc head, insane speed.. somethings going to strip lol

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09-23-2013 07:05 PM  5 years agoPost 15
MAYHEM

rrApprentice

Motorcity

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I think I'm going to try and cut a few splines out of the servo horns. If they aren't stripping in a crash then they are too strong. I'd rather spend $4 in a crash than 30-45. I'm going to start with 1 tooth every 90 degrees and see how that works out.

Marshall

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09-23-2013 07:52 PM  5 years agoPost 16
michael88997

rrElite Veteran

Lewisville,Tx

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thats a good idea as long as they hold up in flight, I don't know how it strips the metal gears but the plastic arms hold up fine, wish they made some stock ones that were a little weaker..

depending on the price of the gears may just try another brand servo

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09-23-2013 07:58 PM  5 years agoPost 17
MAYHEM

rrApprentice

Motorcity

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They are $15 a set.

I've just modified my servo horns. I cut one spline...skipped 3...and so on. It works out to 5 missing teeth, which is ~25% weaker. I don't THINK this will be detrimental in flight...but I will bench test it first with some manual pressure

Marshall

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09-23-2013 08:11 PM  5 years agoPost 18
michael88997

rrElite Veteran

Lewisville,Tx

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ah didn't see the price on that link.. well idk if i want to spend 30 bucks on gears, or 30 bucks to a set of another servo... Im not sure whats out there that is as or more powerful than these servos that fit and arn't crazy expensive

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09-23-2013 09:15 PM  5 years agoPost 19
michael88997

rrElite Veteran

Lewisville,Tx

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I wonder if these older white arms
http://www.aligntrexstore.com/DS410...01-_p_2112.html

are strong enough to fly with but would strip in a crash. 3 bucks for that vs 15 for gears

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09-23-2013 09:29 PM  5 years agoPost 20
knightofcarnage

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chicago

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Issue with the white arms is they flex under load.

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