Flight B/C

[randomdogonapc]

Don’t have an answer for you on that, but 4 minutes!? As an Ohio kid, I am very scared.

Also, does anybody know how to attach a video on a PM?

[pumptato-cat]

Yeah, I'm so thankful it's Div B. If Div C kids are flying 4:00... Good luck!
Yep, just upload it to Google Drive and link there. I don't think the forums allow video uploads any other way.

[gz839918]

Don’t have an answer for you on that, but 4 minutes!? As an Ohio kid, I am very scared.

Also, does anybody know how to attach a video on a PM?

To be honest, I'm not really sure about how to attach a video to a forums private message, but because the file size limit is less than a megabyte, it may be more helpful to upload your video on a cloud service like OneDrive, Google Drive, or YouTube, then send the link along with your message.

Four minutes may seem tough to beat, but that knowledge hasn't changed the quality of your own skills. Your skills are just as good as they were yesterday—maybe even a little better. Don't give up, and good luck!

[SciolyMichael]

Hello,
My plane doesn't seem to turn left at all. It's as if it's fighting itself while airborne trying to decide which direction to turn. I've tried adjusting my tail and wings so all the settings possible could make it turn left, but it doesn't seem to fix the issue. Could anybody help me with this?
I'm using the JH Aerospace Stinger (Josh Finn) and I'm in Division B.
My propeller is slightly angled to the left (when looking from the back) and like already mentioned, my tail and wing are adjusted to turn left.

[bjt4888]

Hello,
My plane doesn't seem to turn left at all. It's as if it's fighting itself while airborne trying to decide which direction to turn. I've tried adjusting my tail and wings so all the settings possible could make it turn left, but it doesn't seem to fix the issue. Could anybody help me with this?
I'm using the JH Aerospace Stinger (Josh Finn) and I'm in Division B.
My propeller is slightly angled to the left (when looking from the back) and like already mentioned, my tail and wing are adjusted to turn left.

Michael,

Sometimes if the airplane is very light in the nose (CG too far forward) it will appear to wander; like it almost will third in either direction. Where is your CG location (measure from wing TE)? Another possible suspect is alignment of winglets on wing or stabilizer. A couple of millimeter of angle on the winglet in the “right turn direction” will have this effect.

More details, specific measurements, of trim settings and winding parameters would help us diagnose. A video would be good too.

Brian T

[sneepity]

Where in the room should you stand when releasing your flight?
I've been standing in weird locations and it's caused my flight to hit the walls D:

[fifty_missions]

Hello,
My plane doesn't seem to turn left at all. It's as if it's fighting itself while airborne trying to decide which direction to turn. I've tried adjusting my tail and wings so all the settings possible could make it turn left, but it doesn't seem to fix the issue. Could anybody help me with this?
I'm using the JH Aerospace Stinger (Josh Finn) and I'm in Division B.
My propeller is slightly angled to the left (when looking from the back) and like already mentioned, my tail and wing are adjusted to turn left.

You might also check to see if the thrust bearing is either dead-parallel with the motor stick or possibly angled a few degrees to the right (starboard). If it is, the prop is trying to orbit the airplane starboard when the rest of the airplane is set up to fly to port. Remove it and reset it pointing at least 2 degrees to port (left).

In addition. we have seen motor sticks from current kits bowing vertically, horizontally and even twisting under wound rubber load. This means an "infinitely changing variable" throughout the length of a flight. I would suggest loading a max wound motor and studying the motor stick top down to see if the stick is bowing causing right thrust.

I also recommend lopping off the motor stick at the minimum of just over the stabilizer's chord and substituting that section with a tailboom of 3/32" square balsa strip. This helps reduce that motor stick deflection and also helps maintain the CG towards the end of the flight. All the top fliers in INDIANA have made this modification to get result. I would recommend braiding the rubber for best results.

Post three photos of the airplane with a high-power rubber motor wound and attached. This is: top down view, sideview and head-on. Many of us should be able to see the issue and make recommendations.

Good Luck!!

[fifty_missions]

Where in the room should you stand when releasing your flight?
I've been standing in weird locations and it's caused my flight to hit the walls D:
B)

If the model has a consistent left hand orbit, then assume your launch is at the outside point of a radius of a circle. You will launch such that the model will complete that circle and fly over you (if remained standing there). If the model flies an erratic flight pattern, those reasons need to be addressed first.

Other factors can play into where to launch. Observe other airplanes as they fly. Note if they seem to drift towards one end of the site. launch to maximize your flight without ending up drifting into a wall or other obstructions. Always consider "court sense" and do not launch it the expected orbit will collide with an obstruction.

Good Luck!

[fifty_missions]

2) how do you compensate for AC while flying? Last year in NC states I watched a bunch of teams struggle to get 1 minute flights(AC was so strong) and they were all nosediving/stalling. advice?

Not every location will allow a total shut-off of blowers many of which are handled out-of-state and not adjustable. Absolutely ask the site officials well ahead of time about this issue. If forced to fly in a situation where the blowers will not be turned off no matter what you request, you may have to consider plan B. For either a regional or state competition consider using these strategies:
1) Build a heavier model just for that site say 10 grams so that the the airplane is less susceptible to the turbulence.
2) Plan to fly at a lower altitude where the turbulence has less affect. Train to fly without exceeding the "1/2 height" of the site and maximize the power limitations to not fly any higher.

Either strategy seems counter intuitive but the goal is to win the event. While other teams get their models battered by the gale winds, your team will at least survive and thrive in the turbulence.

[coachchuckaahs]

A further strategy for turbulent air is to make the plane more stable. Do this by moving the CG forward, and adding decalage to retune the flight. This will make the airplane less sensitive to disturbances, but a bit more draggy.

Coach Chuck