pacoflyer

My Feedback: (23)

Ken,
I believe VQ models used to sell this plane along with ARF Pros. [ ARF Pros might be out of business though]
You might try them.
paul

Roy Conomos

Glad that worked out for you Jed, mine are 100% reliable since the mod was done. Thank you Pololu for a great product.
Merry Xmas to all and happy flying!

Roy.

regenbieger

Hi T-28 friends,

I just started to build my yellow bird and encounter the first problems after some hours.
I bought the electrical retract system from EMS with external battery, called version V2.
The system itself works fine so far but I have problems with the installation in the wings. When I mount it and I move the "leg" into flight position, It will not move far enough. As a result the wheel is not completely inside the wing but looking about 5 mm/0.2" out of it.
The leg could move min. 15mm/0.3" more into the wing before reaching the rips. The rips have specical "openings" for the leg, but I am still on top of it.

For me it looks that the range is just 90° and it might have 95° as the Sierra Giant retracts have. A geometrical calculation confirms this. 5° more gives about 15 mm/0.3" travel range.

What is your experiences in this matter? How far do your retracts move into the wing? Is your travel range bigger than 90°?

I am a little bit worried about this mess and my feeling is that the complete assembly is scrap.

Looking forward hearing from you.

Thanks and best regards from Germany

Uwe

edwal07

I just got the T28 and plan on using the DLE55. Can I use the standard muffler without cutting the cowl on the sides or have to use a pitts muffler. I have the side exhaust not the RA.

Went back in the thread and answered my own question.

Vmceachern

Anybody by chance have a spare canopy? Yellow or red but yellow preferred. Sure could use one.

Roy Conomos

Hello Uwe,

That is a problem mate, I actually trimmed the retract mounting frames down at a steeper angle to allow the wheel to go into the wing further. Even after that I had to make my own gear doors from aluminium with a dome in them to clear the wheel and fit snug against the wing. No other way mate unless you build the wing up with a fillet but that would not look good.

edwal07

Finished except for gear doors! Carbon fiber elevator rods, rudder and nose steering combined, beefier control linkage and horns. Lots of mods and changes, wheel wells cracked in bottoms will cut out and fiberglass a little more clearance for the struts.
ESM air retracts (work great)
DLE-55
LiIon 5600 & 2300 both mounted below the nose wheel on the bulkhead, one on each side. Added 3oz lead to front firewall for perfect balance.
Maiden was on Sat. Flew great, tons of power and fast! Throttle management is a must, but if you need it it's like a rocket. No balooning with flaps, work great.
Used robart hinges on rudder and drilled 3/16 hole behind skid and put in expandable foam to help hold them in and strengthen the rudder area.
Few other mods just to make it stronger.
Everyone loved it and it looks great in the air.

Roy Conomos

Looks great, here is a photo of my doors. You can see the dome in them, zoom in for a closer look.

Roy


.

edwal07

They are only touching in the centers, I am hoping to relieve the area around the strut arm and use lite fiberglass to make it look good. However the plastic is cheap and cracks like crazy. Oh well yellow tape will also do wonders. Can't see it anyway with the wheels up! But it is fast and very responsive, we shall see how it holds up after a dozen flights or so.

edwal07

Looks good! I'll let you know how my doors do when I start on them!

Roy Conomos

OK, I look forward to your door solution. Your right about the throttle, I use the DLE55 and it gets going. I just fitted the electric starter, love it, just flip on ignition and hit the start button on the transmitter. No more flipping props.

regenbieger

Hi Roy,

meanwhile I quit with the electrical version. I got a new set from a different plane (Pilatus PC-9) which move inside the wing but in landing position the plane had O-legs Looks really messy.
I sent back all the retracts and ordered a pneumatic version which was, of course, not available from stock. I'm still waiting and the indicated delivery date is now end of May

Let's see what is comming out.

Best regards

Uwe

Al-Ulate

Hi guys!!
I'm new in this adventure with the T-28!! Have a lot of notes!!! Thanks to everybody for all the tips!! It took me more than a couple of weeks to read from the first to the last thead in here!!! Hopes for the good!!!!

Al

jamac

My Feedback: (1)

New to this thread ..First of all, Thank you to all of the people who have contributed to this T-28 thread/build. I read through it several times and it is a big help to someone like me who is relatively new to building/modifying model planes.

I have the ESM Red and White T-28 model and purchased the Sierra Landing Gear.The gear are really nice but have the same issue as noted in previous posts. Seems like the best solution is to move the gear outward (where the air cylinders go into). Elongating the opening where the wheel retracts into is not an option because there is a wing structure installed (see attached picture). However, my concern is by removing the necessary wood from the wing, I will weaken the wing structure and was looking for some help to understand if I will need to reinforce the wing (and the best way to do that).

Doomking

My Feedback: (38)

Wish I could help, but mine is the yellow one and my Sierra mains did fit right in.
must be something new with the red and white ones...

Fabio

jamac

My Feedback: (1)

Thanks Fabio, no worries.

I wish these planes would have a version stamp
on them. That way, it would make it easier to discuss
these issues.

YAT-28E

Chime in if I am wrong, but it looks like you would be removing part of a rib close to the center rib. I think that would not be a problem for structural integrity of the wing. As that part of the wing is inside the saddle of the fuse any way. I built my YAT and I cleared all the way to the center rib with no issues.

jamac

My Feedback: (1)

Thanks YAT-28E. Seems like that may be an easier route to take as opposed to the side where
the air cylinder goes into. Glad to hear that it shouldn't be an issue in terms of weakening the wing structure.

Al-Ulate

I bough my T28 at Arfpro!! Great service by the way!!! But the red and white t28 from TBM have a tag that say that they discontinued!!! Did somebody know what will happens if we need parts???

Roy Conomos

Go to this site in China, http://www.ecvv.com/product/4068503.html ECVV.com

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[TABLE]
[TR]
[TD="class: company-logo"][/TD]
[TD="class: company-name"]ESM Producing Co[h=3]China Manufacturer with main products: RC MODEL, SCALE WARBIRD, JET, 3D AEROBATIC, MODEL ACCESSORIES[/h][/TD]
[/TR]
[/TABLE]

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Home >Products Catalog > RC MODELS > ARF plane T-28

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[h=1]ARF plane T-28[/h][TABLE]
[TR]
[TH]Export Markets:[/TH]
[TD]North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe[/TD]
[/TR]
[TR]
[TH]Place of Origin:[/TH]
[TD]Guangdong in China[/TD]
[/TR]
[TR]
[TH]Model Number:[/TH]
[TD]W035[/TD]
[/TR]
[TR]
[TH]Brand Name:[/TH]
[TD]ESM[/TD]
[/TR]
[TR]
[TH]FOB Price:[/TH]
[TD]1-699 USD/Piece[/TD]
[/TR]
[TR]
[TH]Payment Terms:[/TH]
[TD]T/T, Paypal, Western Union[/TD]
[/TR]
[TR]
[TH]Min.Order Quantity:[/TH]
[TD]1 Piece/Pieces[/TD]
[/TR]
[TR]
[TH]Supply Ability:[/TH]
[TD]500 Piece/Pieces per Month[/TD]
[/TR]
[TR]
[TH]Update Time:[/TH]
[TD]5/24/2013[/TD]
[/TR]
[/TABLE]

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Roy Conomos

Photo of my T28 during Easter 2014. Cheers.

mikes68charger

My Feedback: (34)

Anyone got a exstra left wing hafe?

PLANE JIM

My Feedback: (109)

I am finding out about the pains of gear door installation with Sierra Retracts-This is a real PITA!!!!! Thanks to information on page 12 of this thread helps a lot. I don't mind building airplanes and actually enjoy it but this is not much fun for the amount of money you spend and the modifications you make in order to have gear doors that will be flush with the wing.

navyt28

If I may introduce my Trojan Hangar with the ESM T-28 in a suitable ambience.

Best wishes for a very good flying season 2015

Franz

lcruz

My Feedback: (1)

Franz, they are beautiful. I am looking for a front strut for my T-28 any ideas where to pick one up?