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8

•  Keep the fan away from objects as it will try to suck them in, 

which can cause damage to the fan and/or bodily injury.

•  Always use eye protection when operating the fan unit.
• 

 

NEVER

 look into the fan as it is running.

•  Ensure all persons in the immediate area are using eye 

protection while the fan is in operation.

• 

 

NEVER

 point the fan in the direction of anyone.

•  Make sure you inspect the fan and all its parts before

each run.

•  Never use motors larger than those recommended.
•  Never run a fan that is damaged in any way.
•  Never run the fan while holding it in your hands.
• 

 

NEVER run the fan above 50,000 rpm!

•  Never run the fan rotor on any motor outside of the housing.

This is a device that runs at very high rpm and as such it 
needs to be handled carefully. There is a very short “break-
in” period that needs to be followed to ensure that all parts 
fi t well, everything is tight, and that no excessive vibration 
is present when running the fan. Also, if the power system 
chosen has a large power output, the fan blades will expand 
as rpm are increased to the point of possibly touching the 
housing. This is expected and it is within the “break-in” 

 

procedures. The blades will get shortened slightly to fi t  the 
fan housing as they wear on the sides.

The procedure below must be followed carefully:

1.  If the fan is properly installed on an airframe and everything 

is ready to be tested, arm the speed controller and 
advance the throttle slowly to approximately 1/4 power for 
three minutes. Check for vibration and/or unusual noises. 
If there is vibration or unusual noise present during the 
test, do not proceed to step 2 until the problem is resolved. 
Inspect all moving parts, being sure that motor screws and 
the rotor adapter screws are tight. Confi rm that the fan 
blades rotate smoothly within the housing and the rotor is 
not rubbing on the mounting plate (Be sure to unplug the 
battery from the ESC before handling the fan!).

2.  If the fan operates smoothly, move the stick to 1/2 throttle 

and repeat the test as described in step 1.

3.  Slowly advance the throttle to 3/4 power. When using high-

power systems, the fan blades may rub a bit on the fan 
housing. You can see this by powering down the system 
and checking for marks or grooves in the housing. If this 
is the case, return to 1/2 throttle and cycle between 1/2 
throttle and 3/4 throttle for three to four minutes. Doing so 
will adjust the length of the fan blades as they slowly wear 
on the fan housing.

4.  Repeat the procedure described in step 3 between 3/4 

throttle and full throttle. 

5.  Unplug the battery from the ESC and check the fan for 

rubbing, cracks, or missing parts.

If your fan appears damaged, vibrates excessively, or 
makes unexpected noises, please return it to Hobby 
Services for inspection.

PREFLIGHT

Identify Your  Model

No matter if you fl y at an AMA sanctioned R/C club site or if 
you fl y somewhere on your own, you should always have your 
name, address, telephone number and AMA number on or 
inside your model. It is required at all AMA R/C club fl ying sites 
and AMA sanctioned fl ying events. Fill out the identifi cation 
tag on page 9 and place it on or inside your model.

Charge the Batteries

Follow the battery charging instructions that came with your 
radio control system to charge the batteries. You should 
always charge your transmitter and motor batteries the night 
before you go fl ying, and at other times as recommended by 
the manufacturer.

CAUTION:

 Unless the instructions that came with your 

radio system state differently, the 

initial

 charge on 

new 

transmitter batteries should be done for 15 hours 

using 

the slow-charger that came with the radio system

This will “condition” the batteries so that the next charge 
may be done using the fast-charger of your choice. If the 
initial charge is done with a fast-charger the batteries 
may not reach their full capacity and you may be fl ying 
with batteries that are only partially charged.

Range Check

Ground check the operational range of your radio before the fi rst 
fl ight of the day. With the transmitter antenna collapsed and the 
receiver and transmitter on, you should be able to walk at least 
100 feet away from the model and still have control. Have an 
assistant stand by your model and, while you work the controls, 
tell you what the control surfaces are doing. Repeat this test with 
the motor running at various speeds with an assistant holding 
the model, using hand signals to show you what is happening. 
If the control surfaces do not respond correctly, do not fl y! Find 
and correct the problem fi rst. Look for loose servo connections 
or broken wires, corroded wires on old servo connectors, 
poor solder joints in your battery pack or a defective cell, or a 
damaged receiver crystal from a previous crash.

Summary of Contents for Synapse RX-R

Page 1: ...s kit immediately in new and unused condition to the place of purchase To make a warranty claim send the defective part or item to Hobby Services at the address below Hobby Services 3002 N Apollo Dr Suite 1 Champaign IL 61822 USA Include a letter stating your name return shipping address as much contact information as possible daytime telephone number fax number e mail address a detailed descripti...

Page 2: ...on the club field It even applies to flying at public demonstrations and air shows Failure to comply with the Safety Code excerpts printed in the back of the manual may endanger insurance coverage Additionally training programs and instructors are available at AMA club sites to help you get started the right way There are over 2 500 AMA chartered clubs across the country Contact the AMA at the add...

Page 3: ...to use to fly the Synapse you can get the receiver separately Futaba R114F 4 channel FM micro receiver w o crystal low band FUTL0442 high band FUTL0443 Futaba FM single conversion receiver crystal for R114F low band FUTL62 high band FUTL63 Or youcanpurchaseacompletesystem includingtransmitter specially packaged for park flyers If purchasing a complete system the Futaba 3FR Skysport FUTJ53 single s...

Page 4: ... is required for any reason contact Product Support by telephone at 217 398 8970 or by e mail at productsupport greatplanes com Replacement Parts List Order Description How to Purchase Missing pieces Contact Product Support Instruction manual Contact Product Support Full size plans Not Available Contact your hobby supplier for the following parts GPMA2744 Canopy GPMA2745 Duct Cover GPMA2746 Rear D...

Page 5: ... between the lower duct channel and the fuselage A few drops of thick CA glue will prevent the antenna from falling out of the seam HOW TO CUT HOLES IN FOAM A Using a brass or aluminum tube with a diameter of the size hole you wish to make Use a rotary tool with a cutoff wheel to bevel a sharp edge onto one end of the tube If you do not have a rotary tool a hobby knife can also be used to carve th...

Page 6: ...urface throws High Rate Low Rate ELEVATOR 1 4 6mm up 3 16 4 8mm up 1 4 6mm down 3 16 4 8mm down AILERONS 3 8 9 5mm up 1 4 6mm up 3 8 9 5mm down 1 4 6mm down IMPORTANT The Synapse ARF has been extensively flown and tested to arrive at the throws at which it flies best Flying your model at these throws will provide you with the greatest chance for successful first flights If after you have become ac...

Page 7: ...ail drops the model is tail heavy and the battery pack and or receiver must be shifted to balance If the nose drops the model is nose heavy and the battery pack and or receiver must be shifted to balance This model is very weight sensitive Do not add any weight to achieve the suggested balance point Instead shift the battery pack and receiver forward or aft to alter the C G PREPARE TO RUN THE FAN ...

Page 8: ...return to 1 2 throttle and cycle between 1 2 throttle and 3 4 throttle for three to four minutes Doing so will adjust the length of the fan blades as they slowly wear on the fan housing 4 Repeat the procedure described in step 3 between 3 4 throttle and full throttle 5 Unplug the battery from the ESC and check the fan for rubbing cracks or missing parts If your fan appears damaged vibrates excessi...

Page 9: ...h the other side for spectators Only personnel involved with flying the aircraft are allowed at or in the front of the flight line Intentional flying behind the flight line is prohibited 4 I will operate my model using only radio control frequencies currently allowed by the Federal Communications Commission 5 I will not knowingly operate my model within three miles of any pre existing flying site ...

Page 10: ... airplane starts a gradual climb Many beginners tend to pull too hard causing the model to stall so be gentle on the elevator and don t panic If you do pull too hard and you notice the model losing speed release the elevator stick and allow the model to regain airspeed Continue a gradual climb and establish a gentle turn away from yourself and others until the airplane reaches an altitude of 20 to...

Page 11: ...ates and then repeating the cycle up to 10 times GPMM3153 Futaba 6EX 2 4GHz Computer Radio Superior full range capability comes to 2 4GHz technology Once you ve experienced the 6EX 2 4GHz FASST system you won t want to fly any other way The secret is the all in one R606FS receiver its compact size and light weight makes it easy to mount and perfect for park flyers but it s also powerful enough to ...

Page 12: ... E Box is factory finished and factory built from light strong laser cut 1 8 ply parts The Compact E Box is ready for use as soon as the handle is installed And once the handle is installed your charger can t fall out even if the E Box is tipped on its side An easy access compartment below the deep drawer holds most 12V maintenance free hobby batteries and features a vented faceplate that allows h...

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