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Last edited by Will94; Oct 02, 2020 at 12:15 PM.
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I guess I was being overly critical of the Volantex/Eachine planes. I bought the three channel Volantex Super Cub 500 and TrainStar, and they've both been fantastic. Aside from the two aileron servo failures and the missing spare parts, all of my Eachine planes have been great, also. ...until the T28.
I know others have had problems with Banggood's customer service, but I've been quite satisfied with their customer service so far. Banggood is on holiday, so I haven't heard back about it. The China National Holiday of 2020 is approaching, for this reason, we may not be able to reply to your messages as fast as usual. We expect that our response time may be subject to slight delays during Oct,1st to Oct, 6th. Rick |
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Look at what came in the mail today!
I wonder how many people think I am ordering sex toys? Bang WHAT!?
Okay, it is now official. The Eachine T-28 mini Trojan is Model V761-9. So pretty. The electronic items at top-left are what is going into it (1108 6000Kv motor, 7A ESC, AS6410L receiver). |
Latest blog entry: My You-Tube channel
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"T-28 Trojan." T-28 must be the extra large size.
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Latest blog entry: My You-Tube channel
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Banggood Makes Reasonable Offer
OK, Banggood has responded to me about the dead T28. They asked if I could fix it myself, and they're offering to refund $50 of my $72.57 to do so. I think that's reasonable enough.
I already have a Volantex Cub receiver in the mail. I accidentally ordered the receiver last month instead of the P51 fuselage I need. I might pull the receiver from my P51 (with a battered nose that's more hot glue than foam) and put it in the T28. When I open up the T28, I'll try AirDOGGe's suggestion to get the board working properly. If it works, Banggood doesn't need to send the refund. (Fair enough.) I didn't want to open it up in case Banggood wanted more video. How well will this turn on rudder? I fly in intermediate in a fairly small area, maybe 120' x 60'. The Mustang and Corsair turn way too wide without ailerons, so I'd end up in the trees or on a rooftop. (Gee, how'd the Mustang's nose get so battered? ) Dare I try the T28 when I have nobody able to climb right now? Rick |
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Well, after tearing apart my T28 and Mustang, I got a brilliant idea. I tore apart yet another flyable airplane. I realized the bad T28 receiver would work in my three channel Volantex Super Cub 500 and vice versa. I swapped the identical looking receivers, hooked everything up, and glued the planes back together.
Once they're back together, I powered them up to find that the receivers are quite different. (Yeah, I know; ALWAYS check things for proper function before sealing them up.) The rudders are controlled by elevator stick movement, the elevators are controlled by rudder stick movement, and the gyros are having a cow thinking that the planes are inverted. How could this be? They looked the same when I was working on them side by side. What I didn't notice was that I was working on the Cub right side up and the Mustang inverted. Orientation of the gyro-equipped boards is very important, and it seems the rudder and elevator servos are swapped on these boards. Maybe tomorrow I'll tear both planes apart again and invert both boards. That should fix everything. Rick |
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Yes, orientation of the receiver brick is important at battery plug-in. I think that determines up or down. Same with Spektrum bricks with AS3X. All I know from sure is that the Mustang TX binds to the Volantex RX and visa-versa.
On my first Mustang mod and on my SU-26 build I crossed the pushrods over each over to get rudder and elevator connected correctly. Of course I was able to program the gyro direction of AS3X to what was needed. Not sure if these bricks can use that method. Crossed pushrods: Crossed pushrods: My greatest experience with the Eachine bricks is removing them from existing aircraft for DSMX units. Maybe I will get aTaranis TX someday to use with them. I can't stand the undersized stock transmitters. |
Last edited by AirDOGGe; Oct 05, 2020 at 05:10 PM.
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Well, after disassembling my T28 twice, it was looking a little battle weary, so I touched it up a bit. Now it has every right to look battle weary. The fuselage top, prop, and spinner were all 3D printed. It's far from scale, but it's good enough for me.
Rick |
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Very cool mod. Note that the Mustang spinner would work for this custom too: https://static.rcgroups.net/forums/a...air.paint3.jpg
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Latest blog entry: My You-Tube channel
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Thanks. I wish Eachine would make an FW190, so I wouldn't have to. I designed the prop and spinner when I first got the Mustang. A legally blind pilot flying a fast plane in a small space tends to go through a lot of props. The ugly straight blade props are easy to print on their edges without support and cost me pennies each. They're not very efficient, but they fly the planes.
Rick |
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I discovered something of interest while working on my T-28 replacement fuselage halves.
The sides have a small hemispherical pocket about 6mm in diameter at either end of the plane. One is in the molded tail skid and the second in the upper cowling. See image..I set bearings in some of the pockets to show them more clearly: I just checked my RTF Trojan using a strong magnet and then shining a bright light through it from the back side. No B.B. here. A look at the Corsair fuselage at BG shows 2 such pockets in the upper cowling and none in back. Used for balancing during development maybe? |
Latest blog entry: My You-Tube channel
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Yes. Also Sport Cub 500 props. Propellers and pop off hubs are identical. Only the spinners are different.
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Latest blog entry: My You-Tube channel
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