ParkZone Ultra Micro T-28!!! THE Owners Thread!!!! - Page 572 - RC Groups
View Poll Results: Add Another Option: BMN (Bare Minimum Necessities)
no batteries, no charger, and no tx! $59.99(BMN) 772 86.55%
were just asking for too much 120 13.45%
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Jan 22, 2013, 10:04 PM
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wattman's Avatar
He sure flys well for any age , and he listens well , he is a good reflection of a great father , really .
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Jan 22, 2013, 10:27 PM
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Thanks for the nice comments guys
Jan 23, 2013, 07:32 AM
I review RC Products
GBLynden's Avatar
Quote:
Originally Posted by DbleX
Thanks for the nice comments guys
I cannot believe a four year old can do that! I can only imagine what he will be able to fly when he hits 14
Jan 23, 2013, 11:21 AM
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Tom_1971's Avatar
Quote:
Originally Posted by F18
Tom.....rotate the front of the fuselage through steam from a pot or kettle....it will expand the white bead foam fuselage to close to it's original shape. Then glue up the cracks
I quote a very old post to report that... OMG the steam method is so effective I almost melted one side of the fuselage this morning
Take care if you want to repair your plane like this, you could do worst than a crash! (I almost did...)
Jan 23, 2013, 08:54 PM
Registered User
I need some help. I got a new UM t-28 and I cannot get the elevator level. I have pinched the u bend as far as I can, and even the trim on my DX8 it all the way down. It wants to go straight up and roll. I already broke the prop shaft... Need some advise, should I call Horizon or take it back to the LHS were I purchased it.
Jan 23, 2013, 09:32 PM
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airpower's Avatar
The elevator rod may be stuck on a sticker.
Jan 23, 2013, 09:43 PM
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Quote:
Originally Posted by airpower
The elevator rod may be stuck on a sticker.
Thanks, it was but now I have full movement. Still not level and I'm out of adjustments!
Jan 23, 2013, 10:43 PM
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airpower's Avatar
That's why you mechanically trim the pushrod, as per the manual says.
Jan 23, 2013, 10:49 PM
Registered User
Quote:
Originally Posted by airpower
That's why you mechanically trim the pushrod, as per the manual says.
I have it mechanically trimmed as far as it will go. Pinched right together. Something's not right.
Jan 23, 2013, 11:37 PM
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airpower's Avatar
Battery needs to be forward in the tray. Are you always giving a lot of throttle? Almost anything with a UC airfroil will climb under high power setting.
Jan 24, 2013, 05:06 AM
Registered User
Zero all trims, and start fresh, u rod first, that will get you close, second use sub trim, usually you won't need any sub trim, if you are close , with only minor adjustments with trims during flight. If you are constantly climbing , it sounds like your center of gravity is off, and if you are rolling all the time , that sounds like your ailerons are out of adjustment..
Jan 24, 2013, 12:28 PM
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airpower's Avatar
Don't use sub trim. Full throttle should not be used for cruising, if so you need to manually input a lot of down, that's just a trainer characteristic.
Jan 24, 2013, 06:36 PM
Registered User
I'm just talking about visually the elevator can't be made flush with the wing? It sets a little higher when I've run out of adjustment. Is this normal for the T28?
Jan 24, 2013, 06:46 PM
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airpower's Avatar
As long as it flies right.
Jan 25, 2013, 04:06 AM
Can't fly 3D for toffee ...
GoAround's Avatar
The T-28 elevator should be very easy to mechanically trim to be in line with the tailplane. The only issues I have had with mine were the rod snagging on the stickers or fuselage. I have moved it to the inner hole now for more response (makes inverted as easy as it can be on a aircraft with significant dihedral). To do this, I knifed off some sticker and added height to the fuselage slot.

All trims and subtrims should be zero before mechanically trimming. Travel adjustments should be 100%, or a little under that, to protect the servos.

It would be worth opening it up to check what the rod is doing inside, in case it is no longer correctly in the servo 'arm'. If you haven't opened it before, knife the stickers and then put a bit of clear tape over them afterwards. From then on, just peel and replace that clear tape when opening. Mine is so battered and abused that I have pull tabs on the tape to get it off quickly!


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