4
INTRODUCTION
Your new 100cc-120cc
Ultimate 20-300
ARF-
QB
is a highly aerobatic airplane. It is ca-
pable of both precision and 3-D maneuvers. The aircraft builds easily, quickly, and precisely
due to its state of the art CAD design, LASER cut technology, and high quality included
hardware. We hope you enjoy building and flying your 100cc-120cc
Ultimate 20-300
ARF-
QB
.
Great care has been taken in both the design and manufacturing of the 100cc-120cc
Ulti-
mate 20-300
ARF
QB
to allow for the strongest and lightest construction possible. Only
the highest quality materials from the covering, paint, wood and hardware have been used in
the construction of this model.
The 100cc-120cc
Ultimate 20-300
ARF-
QB
has been individually hand built, covered and
painted by trained and experienced craftsmen with over 25 years of manufacturing experi-
ence. Using CAD design, laser cut technology and jig-built assures accuracy in all stages of
production.
The 100cc-120cc
Ultimate 20-300
ARF-
QB
is designed for gas engines in the 100cc-
120cc category. The DA-120cc engine is shown in the assembly instructions. The aircraft
was tested with the DA-120cc and has outstanding performance. The final choice of engine
is left up to the builder. A computer radio is recommended to allow the pilot to take advan-
tage of the full capabilities of this aerobatic aircraft.
IMPORTANT
Please read through this assembly manual carefully, before starting the as-
sembly of your new model. Inventory and inspect all parts and hardware for any imperfec-
tions or damage. Notify
Aeroworks immediately
if there are missing or damaged parts
and do not proceed with the assembly.
INTENDED USE
This plane should not be regarded as a toy. This is an aerobatic plane and is recommended for pilots
who are beyond the trainer-stage and are comfortable with flying an aerobatic sport plane.
READ!
LIMITED WARRANTY
READ!
It is important to notify Aeroworks of any damage or problems with the model within
30
days
of receiving your airplane to be covered under warranty. If you wish to return this air-
craft for any reason a 15% restock fee will be charged to the customer. In addition the cus-
tomer is responsible for all return shipping cost and all prior shipping cost will not be re-
funded. Parts will be exchanged or replaced once the original item is returned at the owner’s
expense. If you have any problems or questions, please contact Aeroworks.
Aeroworks cannot insure the skill of the modeler and cannot influence the builder during the
construction or use of this aircraft, and therefore, will not be accountable for any property
damage, bodily injury or death caused by this aircraft.
Aeroworks cannot insure the skill of the modeler and cannot influence the builder during the
construction or use of this aircraft, and therefore,