Here's the Mini Titan tracking fix

[Gardner]

Here's the Mini Titan tracking fix. V2 top mixers. Should have done it a long time ago. All aspects of flight are smoother and tracking spot on. Lipo's are cooler after flight as well! 10 min job. I'm sure any of the available arms will do. :arggg: Lower arms will work also w/same cyclic as 3D setting even though just looking at them you'd think it would not work.

[mx400]

Thats good to know. Blade tracking was the single thing that has kept me from buying a mini titan.

[Fade-Dude]

Dude, what did you use for the spacers in your nblade grips? looks like aluminium sheeting? Please do tell cause I can't get a set of carbon blades to track dude to not having propper spacers.

[hazz]

This is what he used http://www.eboyztoyz.com/index.php?op=showitem&sku=8484

[Funky]

Hmmm.... so far the Mini Titan tracking fix has been gluing the mixing arms, then it was gluing the bearings, then gluing the headblock... and now different mixing arms :roll:

Maybe I'll give this a try. My tracking probs are back and just as bad as ever. Everything has been glued, trimmed, etc but the tracking problems just keep coming back.

My MT is on a shelf right now, I am sick of trying all of these fixes just to get a normal flight out of this heli :bomb: I would sell it, but I would hate to put someone else through this. I've had mine since the first week they were available but I have less than 100 flights because its always grounded for something. I know a lot of people love this little heli, but I am sick of it after all of these problems :flamesuit

[miniTitan62]

Hello to everybody!

My Name is Hans, i'm from switzerland. I'm a newby but i'm able to Fly now my mini Titan quite well. I had the same Problems wit traking like you Funky. But i've changed my Bladegrips now to the Aluminium Tuning Parts and this solved all my previous problems. No matter whether i've use the Carbon Blades or i use the Align 325 Pro Blades (cheaper :-)) it Fly's as it has to, just Perfect. Don't loose your'e patience, it is a very good Heli!!!

Hans

[Funky]

Thanks Hans, I'm trying not to lose my patience but I am obviously frustrated :bomb: I just need to remember that this is a hobby that needs a lot of patience and sometimes it takes some extra work to get the results we want. It really is a great flying heli besides the tracking problems. Next month I am going to change to the metal head. Hopefully this will end my tracking problems and I can start really flying this heli instead of just complaining about it :roll:

Which aluminum parts are you using?

[miniTitan62]

I'm using the original Thunder Tiger Parts (PV0803) and some other metall parts :mrgreen:
I was also frustrated, when i changed to the Carbon Blades and couldn't track them. Now with the Metall Upgrade it's perfect and i can enjoy flying.

[EricW]

Hi,

This will absolutely improve the tracking by reducing the flex in the mixer arms.
Haven't done it yet, but will upgrade soon.

Maybe something to also try:
I discovered uneven imprints of the all-threaded M3 bolts in the bronze blade bushings and some bronze powder.
A couple of tenths of a MM play at the bolt connection results in many MM at the tip of a blade.
I Just replaced the original M3x20 all-thread bolts with M3x30 shoulder bolts (are they called shoulder bolts??) and cut off the extend thread, about 15 mm.
Now when the blades are forced outside they rest against the untreated steel of the bolt (bigger contact surface).
I also replaced the single plastic washer wit a bend strip (creditcard) with two 3mm holes, same effect as the new gripwashers by TT as shown in the above Photographs.
Maybe it was a lucky guess or the bad tracking returns tomorrow.
But today it worked and the tracking was spot on.

Eric

[Gardner]

Blade spacers are a TT part #PV0829. They are lexan. Order a couple stes, if you have a crash they get worked.
Guys, Make sure you completely squish, soften and crush the red dampers in a vise or with pliers for 15min before your next flight! It makes a huge difference in tracking after a major bog or botched attemp at a manuever. These thing are not returning to the original shape fast enough. This solves the issue. Also, use the same ones over and over. They will look pretty mangled after you soften them up but don't worry they will work better than ever. My MT tracks and fly's better than ever. Folding the blades, even taking them off and installing them again and tracking is spot on. I also soaked the dampers in Slick50 over night. R/C shock oil will do it also and I used the shock oil to lube at install. Good luck, I hope you guys try this, I know this issue has been beat to death but it is what it is. :lolol

[Helifan]

Just order a Mini Titan.

Has this mixing arm mod been working for people that have used it?

Any long term reports on how the mod is holding up?

Thanks

[Gardner]

Check RR

[helirook]

just to keep the input coming in. i replaced the head block and seesaw with TT metal and the tracking is spot on!!! i'll likely replace the mixing arms down the road however it was not required to fix tracking.

[Tim Tompkins]

I saw today, that TT has come out with a stronger version of the arm. Soon we can buy a plastic fix. TimT

[LITHIUMSTATIC]

The metal upper & lower armes fixed my tracking problems 100%!!!!

[noguy]

I just installed the align V2 arms on my MT. The arms both upper and lower are a little shorter from ball to ball than the TT ones. Did you find this to upset your swash mixing at all? After readjusting all the links on my head to get everything leveled out right mine seems a little tamed down in flight now.

Also how did you deal with the aligm lower arms? The arms must be installed upside-down compared to how there go on the rex. The plastic arms then must be forced over the ball the wrong way. Or what I did was pop the ball into the arm and then screwed it into the swash. I tried to put the TT plastic piece on the align arm but it didnt fit right.

[Gardner]

I did no adjusting on mine. Install and fly. Yes the plastic arm is on the ball the wrong way but it works fine. Try some lighter paddles if you need more response. Dont over analyze this mod. Just do it, if there were any particulars I would have specified. 31 very hard flights with this set up and all is perfect.

[LITHIUMSTATIC]

I just bolted mine on and flew. It's a great fix!!! I just fly sport so no need for perfection. I'm more than happy with this heli.

[trexzznl]

what would be the best solution; the TT metal arms or the t-rex ones..
I've heard the TT ones aren't the best fit but the t-rex ones aren't the best fit either?
Btw are the stock mini titan balls useable on the t-rex arms?

[andersminit]

i hawe no tracking problem at all i dont hawe upgrades or t rex arms on mine dident glue enything and it works perfekt..

what i hawe don is shorten the blade grips 3mm..but had tracking befor that.
i put t rex skids on it but dont think that did it. :glasses2:

//Anders

[EricW]

Have a complete plastic head with TT 325 carbon blades, nothing glued btw.
I did the blade-grip mod (shorten the linkarms with 3-4 MM).
And made my own spacers (folded pieces of creditcard) as the new doublesided spacers are out of stock all over Europe, will order them though once in stock.
Replaced the allthreaded blade bolts (to much play in them) with shoulderbolts.
And the tracking is OK with non 3D flying.
I'm also fitting some different paddles to see how it reacts.

Upgrading parts that are not broken yet is not in my dictionary(and wallet), and it's fun to work on this heli ;)

But again i'm not sure how stable the tracking is when you start doing 3D.
You may need the alu parts as described in this thread.

Eric

[Gardner]

I got a red head block from TT and it came with new formula dampers. New ones are orange and much more pliable. Flew them and they held up fine. No boom strikes in hard 3D and tracking is good.

[henrik04]

Here's the Mini Titan tracking fix. V2 top mixers. Should have done it a long time ago. All aspects of flight are smoother and tracking spot on. Lipo's are cooler after flight as well! 10 min job. I'm sure any of the available arms will do. :arggg: Lower arms will work also w/same cyclic as 3D setting even though just looking at them you'd think it would not work.

I fully agree with Gardner. My solution is a bit more than 10 minutes. But realistically metal is better than plastic where stress is involved.
Well I'm no mech. eng. but I stick to my story :mrgreen:

http://i158.photobucket.com/albums/t101/henrik04/E325_Low_res_Metal_1.jpg


[/img]http://i158.photobucket.com/albums/t101/henrik04/E325_Low_res_1.jpg[/IMG]

Carbon fiber boom and 2 carbon fiber tail fins araldite together surely avoid flimsy plastic getting in the tail rotor blades :mrgreen:

http://i158.photobucket.com/albums/t101/henrik04/E325_Low_res_Metal_2.jpg[/img]

[EricW]

I fully agree with Gardner. My solution is a bit more than 10 minutes. But realistically metal is better than plastic where stress is involved.
Well I'm no mech. eng. but I stick to my story :mrgreen:


I happen to be :mrgreen:
And you're partially right IMHO.
The part that flexes TO much in a mechanical assembly and is causing a problem or malfunctioning of the complete assembly should be replaced by a part with less flex, regardless of the material that is used.

Gardner found that replacing the mixer-arms by allu parts (=less flex by material choice not by design!) solved severe tracking problems with more efficient blades (stiffer Carbon).

It can be solved by re-designed plastic parts or simply use another material-blend(plastic) , but IMO they have to review the complete head and from what I've seen they already worked hard to do just that.
The question is, is the tracking problem solved if we assemble a head with all revised parts that are coming out.
I like plastics a lot as a material in stressed assemblies.
The problem with Aluminium, which is stiffer, is once you pass the small flex area it has, it deforms permanently.
And sometimes it's hard to see the deformation and hard to find which part deformed in the assembly of parts.

But you got one cool looking head there!!!
Congrats.
:)

[rick m]

i found my tracking problem fix to be simple ,tighten all the head screws! 2 minute fix ,3hours to figure out . Tracking spot on carbon blades and spacers