Common Problems:
1. CG too far back. Airplane will not fly tail heavy. A good sign you are tail heavy is you can’t control the plane
or the plane won’t stay trimmed. When you try to loop the plane will roll over. Add weight to the nose to see if
the problems resolve. It is not uncommon to need an extra oz or two of lead depending on how light you build.
2. Too much movement in the elevons so the plane stalls on launch as you pull up on the elevator. This is a
very common problem!!!! May be combined or confused with tail heavy airplane symptoms.
3.Loose servos in the foam, linkages and push rods that flex, and poor leverage with push rods not installed per
plans, elevons are too soft and twisting.
BUILD INSTRUCTIONS
Tuff Birds
Super Tough Wings & Planes
6
Ver 1.0 25 Dec 2017
Essential Preflight Checks:
1. Check CG. #1 Check. DO NOT FLY If you don't get this
right.
2. Check Elevon Mixing
3. Check Neutral Trim
4. Check throws.
5. Check Prop direction and thrust
6. Check for any slop in Elevon/linkage Connectors
First Flight Checks:
1. Fly in a open ground with no obstacles.
2. For the first flights have someone experienced do the
checks and trim out the model
3. Launch the model with about 50-80% power and INTO the
wind.
4. Remember - Safety first. Fly Safely and responsibly.
5. Check TX/RX Range.
Have fun and Enjoy. But fly responsibly. Find out a large open field, free from trees, buildings, obstructions
and people. Ensure you comply with local regulation laws.
Before flying your model, it is recommended you have an experienced flier from your region test fly the
model and trim it out for you . In case you have no such help, do not despair.
We suggest you go and do some computer simulation practice ( Realflight G4.5 , Phoenix etc ) afterwards this
airplane should be easy enough for you to fly.
Follow all of the Preflight checks mentioned below. Double check the control surfaces. They should all be
neutral and check again for control reversing. Check for wind direction. The airplane is always launched and
landed against the wind. So move to a location in your field from where you have a clear area ahead against
the wind to launch.
Always keep the model within sight and within the confines of your flying field.
The TuffBirds Tuffstar has been Designed, prototyped, tested and manufactured in India by Vortex-RC. All
Contents are copyright , and no part may be copied, or duplicated in anyf orm without the written permission
from Team Vortex-RC.
Visit us at and www.Vortex-RC.com www.TuffBirds.in
TuffStar*
1500MM EPP 3 Channel Trainer Airplane
16 Final Checks
Check the throws. Check the neutral. Check the
throw direction. Reverse channels if needed.
Adjust battery position to get the CG on the
spar.
CG Location