Been searching this thread again and I can't seem to find and answer to my question. Can I use an aileron/rudder mix with the A3L hooked up in normal mode only? I have the gain control set to my rotary knob. The model is a Dynam Gee Bee Super Sportster. Tom
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Originally posted by Tom Smith View PostBeen searching this thread again and I can't seem to find and answer to my question. Can I use an aileron/rudder mix with the A3L hooked up in normal mode only? I have the gain control set to my rotary knob. The model is a Dynam Gee Bee Super Sportster. Tom
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Originally posted by Tom Smith View PostBeen searching this thread again and I can't seem to find and answer to my question. Can I use an aileron/rudder mix with the A3L hooked up in normal mode only? I have the gain control set to my rotary knob. The model is a Dynam Gee Bee Super Sportster. Tom
Grossman56Team Gross!
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Thanks guys. I never got very good with my left hand on the rudder stick, so having the aileron/rudder mix really makes things nice for me. I flew the plane once, with the A/R mix, and it flies nice but it is a very light model and really gets banged around in our costal breezes. I installed the A3L and have it all set up now. The 3D pot is turned all the way down and I have the other pot mapped to the twist knob on my DX8g2. Stabilizer is on all the time but I can twist the knob counter clockwise and turn the pot all the way down to off, or crank it up as needed. I will put that A/R mix back in and take it back up with the stabilizer fully off then twist the knob to partial and see what happens. I'll keep ya posted. Thanks again. Tom
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Great to hear it's working for you Tom! Adverse yaw is what you were experiencing and the A/R mix will settle that down. When I was first learning to fly, I really didn't notice it, but as I progressed, it became apparent. Now, I just knock it down with a touch of rudder. If you have difficulty with your hand, this is a great way to go. As for the A3L, I happened to have my P-40 up this morning. Originally, I had a gyro in her, but after the rebuild (the infamous Nefi Triangle) I didn't bother reinstalling it. Your really notice the extra work when in breezy conditions (it's always 'breezy' in Wyoming), not a big deal because it's such a great plane to fly anyway, but there is a lot more corrections to be done. I compare it to my P-51 and you can really see the difference.
Grossman56Team Gross!
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I learned on single channel escapements. Progressed to two channel and thought I was hot stuff. I was so use to landing dead stick, that when I finally got three channels I still waited for the motor to run out of fuel before landing. I was scared to death to land with the prop spinning. I had to force myself to learn how to do it. Then came four channels, but by then I was so use to not having rudder on the left stick I simply used a Y harness to get rudder and aileron combined. It worked. Then came computer radios and mixing was a piece of cake, but old habits are hard to break so I still rely on aileron/rudder mix. I actually can fly ok without that mix, but at my age, why bother. Now if rudder was on foot pedals, there would be no problem. I owned a 1939 Taylorcraft back in the mid 70s. It is windy as all heck here in eastern NC in the spring so my second flight awaits, but I have the mix set up on my gear switch so I can turn it on and off at will and the gain is on my rotary knob so I can ad or subtract stability as needed. Hope to re-fly it this weekend so I'll let ya know how it goes. Thanks. Tom
Here is my Aeronca C3 at Kitty Hawk a few years back on Aviation Day.2 Photos
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Took the Gee Bee Sportster out yesterday and man does that thing fly nice. Had my A/R mix mapped to my gear channel so I could turn it on and off in case it interfered with the A3L. Took off with nothing turned on. No A/R mixing and the eagle tree A3L turned all the way off via my rotary knob. Winds were almost nothing. Maybe 2 to 3, occasionally. Otherwise dead calm. Very rare for around here. At first I flipped on the A/R mix and did a few turns to see how it handled. Nice, to say the least. Then I gained a little altitude and started slowly dialing in some stabilizer. No issues at all and I was able to get to the mid point of the rotary knob travel without any oscillations what so ever and the model was absolutely rock solid. Darn, that A3L really works nice. Then, for the heck of it, I turned off the A/R mix. Guess what, it grooved around just as nicely without the mix. Go figure. I am more than pleased with the outcome on this model.
Now I have another question. How would an A3L work on a model with out ailerons? Has anyone tried using one with only a rudder for turning. Reason I ask is I just built and old BUSA kit of the Fokker EIII Eindecker and to keep it all original I did not add ailerons. This old 1982 kit was designed for rudder, elevator, and throttle only. It flies pretty decent but I am wondering if adding an A3L to it would smooth it out some. I plan to fly it at Rhinebeck this September. Any help on how the heck to set it up would be greatly appreciated. I have the rudder control set up on the aileron channel on my DX8g2. Elevator and throttle are in the standard locations on the transmitter. Best regards. Tom3 Photos
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That little Fokker (sorry, couldn’t resist), is not unlike a rudder/elevator sailplane. There is sufficient dihedral in the wing that working the rudder banks the plane just as if you were using ailerons. I have 3 such planes, all of which have gyros on them. Yes, like on yours, rudder is plugged into the aileron port and is controlled by the aileron stick. The gyro is also treated the same way. The rudder (or AIL) in this case, goes from the AIL port of the RX and into the AIL input of the gyro. The gyro’s AIL output goes to the rudder servo. Both TX and gyro are set for “normal wing”. Gyro gain can be put on a knob and increased gradually till there is oscillation.
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I didn't get to test fly the Fokker EIII yet with the A3L installed but I did take out my Gee Beer Y Super Sportster yesterday with a new A3L installed in it and it worked perfectly. Only weighing 3 pounds ready to fly, the little Gee Bee Y got trashed around quite a bit in the wind. Not any more. That A3L tamed it down to a ***** cat. It is amazing how smooth it flies now. I'm hooked. Just ordered 3 more A3Ls from Motion Hobbies for a few of my other models that are a bit squirrely in the wind.
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Originally posted by rcaviator View PostHere is how you can put your gyro on a 2 position switch so it is just ON or OFF....no 3D. I did not want to use a 3 position switch for fear that I might accidentally flip to the 3D position, and that would not be good while flying my F-16 90mm.
Assign a 2-way switch on your radio to the mode channel, and set the end-point (on Spectrum that is "Travel" under servo setup) of the channel to left 100%, right 0%. Now you will have ON or OFF only.
Also, as another note, because the AL3 is only a gyro, and not also a stabilizer, you can face the pins either toward the the front or rear of the plane. :)
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I run all my gyros on the same switch, I have one A3 and the rest are A3L's. The 3D mode pot on all the A3L's is turned off so if I accidently hit the switch (which I have yet to do in what 9 years of flying) nothing happens. Position 1 is 3d set at zero, Position 2 is gyro off and Position 3 is gyro on. If I have a spare channel, the pot on the gyro is 100% sport flight and the knob on the radio is assigned to adjust the amount of gyro gain.
As my expo and dual rates are all assigned to one switch (again the same switch for each plane), I have lots of spare switches on my DX8 Gen 1 for throttle kill, control mixes, flaps, gear etc.
Grossman56Team Gross!
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I also have another problem. I have the A3 V2. I am using the DX9 transmitter and AR8020T Receiver. Using 3 position switch. I only get red red blue. try to go to 0% from 100 and still red red blue. Telling me red is 3-D and blue is gyro. I have no off Position on toggle switch. Getting very familiar how to move around this gyro but still no dice. Help
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Originally posted by Cactus Bobby View PostI also have another problem. I have the A3 V2. I am using the DX9 transmitter and AR8020T Receiver. Using 3 position switch. I only get red red blue. try to go to 0% from 100 and still red red blue. Telling me red is 3-D and blue is gyro. I have no off Position on toggle switch. Getting very familiar how to move around this gyro but still no dice. Help
The A3 and A3 V2 is different. Here's the manual for it:
Red, red, blue means "auto-balance", "auto-balance", "normal"
Once you've determined which gyro you have, then you can refer to the proper manual.
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Originally posted by Cactus Bobby View PostOK so position 012. That would be red red blue. No off.
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So 1st off thanks a lot for your help. Forum position on the toggle is blue which means gyro is on. But 0 and 1 on toggle are Both red. When in blue mode gyro works fine. In both red modes, put nose down elevator goes up and stays up. I still have no off position. I do have the A3 V-2.
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Originally posted by Cactus Bobby View PostSo 1st off thanks a lot for your help. Forum position on the toggle is blue which means gyro is on. But 0 and 1 on toggle are Both red. When in blue mode gyro works fine. In both red modes, put nose down elevator goes up and stays up. I still have no off position. I do have the A3 V-2.
I realize all these lights can be quite confusing as each phase of the set up has different meanings for each light. You must specify and understand which phase of the set up you are referring to when talking about lights.
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