FlightLine Fw 190 D-9 Dora 850mm (33") Wingspan - Official Thread

[Johnboy384]

Hi folks,
I just got this nice bird as a birthday present and was all excited to assemble it and take it out for the first flight.
But then I realized that the propeller axis is tilted. A closer look at the motor mounting revealed that there seems to be a production error with that part.
On the second picture you can see, that the two screws on the right are protruding as compared to the two left screws. The screws seem to be mounted correctly, however, the plastic brackets that they are screwed into have different distances to the front of the plane.

Did that happen to anyone else already?

Any ideas how to fix this?

I feel that I should get a replacement from the vendor....


Any help is highly appreciated.

Mine had a late night out too lol.

[Jmjpower]

Hi can someone give me the settings I should be putting into the transmitter, throws and expo (frsky x14, with frsky receiver, also an a3 pro gyro) tried the manual settings and sent it straight into the ground, I need it to be reasonably docile to start with to see how she flies at the club…

[Mike_Green]

I got my FW190 yesterday and have some problem to assembly the prop. Maybe you can support.

I can not put the collet adapter near the motor mount. The distance is like 10mm. It looks like that the borehole is not long enaugh to fit on the motor shaft.

Does anybody had the same issues?

[plane.chuck@gmail.com]

I finally got it in the air and now I have made 2 flights. First flight took a lot of trimming to get it to smooth out. The second flight was great. Plane flies great and I was using a 3 cell. This plane will be a rocket on 4 cells. I ordered a new wing now that it is flying good. Broke both wing tips on first flight attempt. I have someone launch it for me. That works better.

[NewbieBob]

I have had similar issues with hole alignment and tried everything from changing which screws I put in first.
ihave found that putting the screws in partially and then finding which one dosent line up.
So I pull the opposite side out while pushing the misaligned hole side in. Then I use a very small punch or screwdriver to go into the misaligned surface then the hole on the fuse and gently pry into position or as close as possible. Then when I seem to be lined up I screw the misaligned screw in first and then tighten the others.
Of course if it is badly misaligned you may have to create a new hole that does line up.

[tab28682]

I got my FlghtLine FW190 Dora and one of the wing mounting holes would not line up. I could get one screw in but then I could not even see the other hole thru the wing. The plastic mounting bracket in the wing is mounted crooked. I tried shims and they did not work. After twisting the wing I could see a very small portion of the hole. I had to find a much thinner screw and really force it in at an angle to get it in the hole. All that Customer support at Motion RC said was that "it could be a bit of a challenge to get the holes to line up". They should say that is the listing for the plane and see how many they would sell. Also, the motor is mounted a really right angle which they said was normal.

Sorry you had a tough time there. I have to say that my FW-190-D9 model and a flying buddies had no alignment issues. On another brand of ARF, I have had to remove a wing mounting bracket and move it and remount it be able to bolt the wing on. The sad truth is that we will never get perfect ARFs at the prices we are willing to pay and some tweaks will be required by the owners at times.

The model should have a visible amount of right thrust when viewed from above. If yours seems to have excessive right thrust, take a picture from above looking down, with the prop positioned horizontally and post it here.

My little FW is one of my favorite knock around aircraft. Really tracks well, does smooth aerobatics.

I added a rudder servo and cut and hinged the rudder. A very easy mod and makes point rolls and slow rolls better and it makes stall turns and wing overs possible.

[plane.chuck@gmail.com]

I got my FlghtLine FW190 Dora and one of the wing mounting holes would not line up. I could get one screw in but then I could not even see the other hole thru the wing. The plastic mounting bracket in the wing is mounted crooked. I tried shims and they did not work. After twisting the wing I could see a very small portion of the hole. I had to find a much thinner screw and really force it in at an angle to get it in the hole. All that Customer support at Motion RC said was that "it could be a bit of a challenge to get the holes to line up". They should say that is the listing for the plane and see how many they would sell. Also, the motor is mounted a really right angle which they said was normal.

[tab28682]

I'm late to this party, but just ordered a Dora to replace a very battle worn Parkzone F4F Wildcat.We do a lot of foamie warbird rallies where we get as many small foam warbirds in the air as possible at various warbird and electric fly ins and rat race around the pattern. Our area record is 26 warbirds up and in the pattern at once. Great fun and this will do that mission nicely.

[cpt.coco]

Oh, yes, sorry xviper. I over-read the "off" in his sentence.

If the motor does not run at 5% with NX6 on and throttle cut off, forget about what I said.

[xviper]

In more Detail:
Every time you power up your system with a throttle value below -100%, the Dora ESC will set a new threshold value for "Zero Throttle" to less than -100%.
Setting Throttle Cut to off -then- will therefore lead to a power increase (in your case about +5%. Therefore I think the lowest possible power-threshold for the Dora ESC is around -105%)
This will happen every time when you power up your ESC with throttle cut set below -100%.

Based on what you said earlier:

Problems is when I power off NX6 the motor comes on and runs about 5% or so. Throttle Cut position is set at -130% and Throttle Trim is run down to 0. Any ideas?

You are still not getting the concept. Shutting off your TX while the RX is powered up is NOT a good test of anything except failsafe. Failsafe settings, in this particular topic, does NOT always turn throttle to off unless you tell it to by going into the RX and making it do it. In general, throttle during failsafe is supposed to be "minimal" NOT totally OFF unless you tell it that's what you want and messing with throttle cut to do it is not the way. Failsafe will also do pre-set things to the control surfaces, too. Either your RX hasn't got this as a default settings or you just haven't noticed it yet. That's the way it's supposed to be. When you plane is in the air and you loss radio signal, for most failsafe settings, it's supposed to have some (minimal) throttle and control surface go to a particular angle so that the plane does a gentle spiral into the ground. Otherwise, some planes can and will simply point it's nose to the ground and do a "lawn dart", where it could do much more damage.
You CANNOT shut your TX down and leave the RX with no radio signal. You have a "smart" RX that has built-in failsafe. Without a radio signal, it goes to failsafe (as does ANY receiver with failsafe - different failsafe RXs have different pre-set or NO pre-set parameters out of the box). It has very little to do with what your throttle cut is set to. There is nothing wrong with setting your throttle cut to -130 except in cases where things like SAFE requires a higher cut off and those are generally in BNF Horizon Hobby planes with SAFE select. Even then once SAFE has been established (binding procedure, switch assigned), you can do throttle cut to where you like, then re-do the throttle calibration. Just don't shut off the TX and leave the RX powered up and expect nothing weird to happen, especially in a failsafe RX.

[cpt.coco]

The problem is the -130% Throttle Cut which changes your ESC calibration.
Do the following steps:

1. Set Throttle Cut in your TX to -100% only! (not -130% - and Throttle trim should be neutral).
2. Now Recalibrate your ESC (be sure to have Throttle Cut Off to be able to do the calibration).
At this point your problem should be solved already.
3. Always follow sequence of "xviper" when turning on/off components to stay safe.

In more Detail:
Every time you power up your system with a throttle value below -100%, the Dora ESC will set a new threshold value for "Zero Throttle" to less than -100%.
Setting Throttle Cut to off -then- will therefore lead to a power increase (in your case about +5%. Therefore I think the lowest possible power-threshold for the Dora ESC is around -105%)
This will happen every time when you power up your ESC with throttle cut set below -100%.

[Gilatrout]

The problem is the -130% Throttle Cut which changes your ESC calibration.
Do the following steps:

1. Set Throttle Cut in your TX to -100% only! (not -130% - and Throttle trim should be neutral).
2. Now Recalibrate your ESC (be sure to have Throttle Cut Off to be able to do the calibration).
At this point your problem should be solved already.
3. Always follow sequence of "xviper" when turning on/off components to stay safe.

No. Xviper has the correct response.

[cpt.coco]

Need help with a problem on my Dora. I've set it up with a Spektrum AR630 with Safe and AS3X. All servos are working as they should and Throttle Cut is too. Plane binds up as it should and all control surfaces, dual Rates, and throttle work perfectly. Problems is when I power off NX6 the motor comes on and runs about 5% or so. Throttle Cut position is set at -130% and Throttle Trim is run down to 0. Any ideas?

The problem is the -130% Throttle Cut which changes your ESC calibration.
Do the following steps:

1. Set Throttle Cut in your TX to -100% only! (not -130% - and Throttle trim should be neutral).
2. Now Recalibrate your ESC (be sure to have Throttle Cut Off to be able to do the calibration).
At this point your problem should be solved already.
3. Always follow sequence of "xviper" when turning on/off components to stay safe.

[xviper]

I did recalibrate the ESC and will do again, but something is setup wrong somewhere for it to start up when the transmitter shuts down. Thanks for the help about powering down the plane first, and I understand that would be best practice, but that's kinda like telling someone pulling the trigger with a gun pointed at your head to not pull he trigger! The problem is still there!

That's not a good analogy. The proper sequence in RC (not counting binding) is:
1. Turn ON TX.
2. Power ON plane (RX).
When finished operating:
1. Disconnect power from RX.
2. Turn OFF TX.
By not doing this, you are creating the problem. If done properly, there is NO problem.

PS. The AR630 is a "smart" RX with "failsafe". However, it's only as smart as the user will allow it to be. When there is no TX signal, it defaults to whatever is set in the failsafe parameters. It is very easy to change these parameters and not know it. If you haven't looked at the failsafe items, then you don't know what the throttle is set at when there is no signal from the TX. But like I said, if you follow the standardized sequence for operating an RC TX and RX, there is no problem.

[rifleman_btx]

The problem is that the no mater where you have the throttle when the radio is on, when it's turned off it will still see 5% as current input. It's a default the reciever goes to when there isn't a radio signal from the turned off transmitter. The only way to bypass is to unplug the battery first.

[larryterry6@msn.com]

I did recalibrate the ESC and will do again, but something is setup wrong somewhere for it to start up when the transmitter shuts down. Thanks for the help about powering down the plane first, and I understand that would be best practice, but that's kinda like telling someone pulling the trigger with a gun pointed at your head to not pull he trigger! The problem is still there!

[Gilatrout]

Do as Rifleman says. Always unplug plane first, tx second.

It doesn't matter what your TX is set to regarding throttle cut etc because when it is off, it is no longer communicating with the receiver. The ESC and RX are thus free from any constraints imposed by the TX and will operate with whatever is default.

I would also recommend calibrating the esc. James has some videos demonstrating this.

[rifleman_btx]

First and foremost unplug the battery in the plane before turning off the radio! You're lucky the motor is only powering up 5% I've seen some rip to full throttle. Unplug then power down. Stay safe.

[larryterry6@msn.com]

Need help with a problem on my Dora. I've set it up with a Spektrum AR630 with Safe and AS3X. All servos are working as they should and Throttle Cut is too. Plane binds up as it should and all control surfaces, dual Rates, and throttle work perfectly. Problems is when I power off NX6 the motor comes on and runs about 5% or so. Throttle Cut position is set at -130% and Throttle Trim is run down to 0. Any ideas?

[cpt.coco]

Here is one way of making a rudder mod for the FW190D by using one of the other rod-holes.
I used a 0.8mm stainless steel rod within a carbon fiber tube to make it stiff enough. Only had to glue it beside the elevator rod. The shrink tubing outside also gives some additional stiffness.
There is enough space for both servos to work their full range. Elevator travel is also not affected.