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CARF-Models Extra 330SC (3.1m)

   

   

www.carf-models.com

      

   

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Tools and Adhesives 

 

Tools etc: 

This  is  a  very  quick  and  easy  plane  to  build,  not  requiring  difficult  techniques  or  special 
equipment, but even the building of CARF aircraft requires some suitable tools! You will 
probably  have  all  these  tools  in  your  workshop  anyway,  but  if  not,  they  should  be 
available in all good hobby shops, or hardware stores. 
 

  Sharp knife (X-Acto or similar) 
  Allen key set 

(metric) 

2.5mm, 3mm, 4mm & 5mm  

  Sharp scissors 
  Pliers (various types) 
  Wrenches 

(metric) 

  Slotted and Phillips screwdrivers (various sizes) 
  M3 tapping tool 

(metric) 

  Drills of various sizes 

(metric) 

  Small spirit level, or incidence meter. 
  Dremel tool (or Proxxon, or similar) with cutting discs, sanding tools and mills. 
  Sandpaper (various grits), or Permagrit sanding tools (high quality). 
  Carpet, bubble wrap or soft cloth to cover your work bench (most important !) 
  Car wax polish (clear) 
  Paper masking tape 
  Denaturised alcohol, or similar (for cleaning joints before gluing) 

 
 

Adhesives: 

Not  all  types  of  glues  are  suited  to  working  with  composite  parts.  Here  is  a  selection  of 
what  we  normally  use,  and  what  we  can  truly  recommend.  Please  don’t  use  inferior 
quality glues - you will end up with an inferior quality plane, that is not so strong or safe. 
 

  CA-Glue ‘Thin’ and ‘Thick’ types. We recommend ZAP, as this is a very high 

quality. 

  ZAP-O or PlastiZAP, odourless (for gluing in the clear canopy) 
  5 minute-epoxy (highest quality seems to be Z-Poxy) 
  30 minute epoxy (stressed joints must be glued with 30 min and NOT 5 min 

epoxy). 

  Epoxy laminating resin (12 - 24 hr cure) with hardener. 
  Milled glass fibre, for adding to slow epoxy for strong joints. 
  Microballoons, for adding to slow epoxy for lightweight filling 

 
At CARF we try our best to offer you a high quality kit, combined with outstanding value-
for-money,  and  as  complete  as  possible.  However,  if  you  feel  that  some  additional  or 
different hardware should be included, please feel free to let us know. 
 
Email us @: 

[email protected]

  

 
We know that even good things can be made better ! 

   

Summary of Contents for Extra 330sc

Page 1: ...re obliged to deny all liability for loss damage or costs which are incurred due to the incompetent or incorrect application and operation of our products or which are connected with such operation in...

Page 2: ...ies or even add weight in the aircraft to move the CG to the recommended position please do so and don t try to save weight or hassle A tail heavy plane in a first flight can be an enormous danger for...

Page 3: ...technology All parts are painted in the moulds either single colour or designer colour schemes A new production method called TAVS Total Area Vacuum Sandwich enables us to present this aircraft with i...

Page 4: ...firewall are pre installed and provide plenty of strength for any engines up to 220cc on the market today See the Engine Installation section for details of engine and setting thrust angles The engine...

Page 5: ...ape Denaturised alcohol or similar for cleaning joints before gluing Adhesives Not all types of glues are suited to working with composite parts Here is a selection of what we normally use and what we...

Page 6: ...ommended Ignition switch and battery for motor 4 cell 1400 2400 mA or LiPo with voltage regulation recommended Powerbox Competition and dual power switches for Rx batteries Fuel tank 1500 ml with gaso...

Page 7: ...f clear car wax first but of course you must be sure to remove this 100 properly before adding any additional decals or markings If you prefer you can cover the majority of the fuselage with the bubbl...

Page 8: ...gh the hole a maximum of 1mm The spikes still engage in the plywood and the gap between the T nut and the plywood is filled with epoxy and microballoons mixture later Glue the 2 U shaped milled plywoo...

Page 9: ...rt available from C ARF and is mounted with two M4x20 mm allen bolts under the fuselage screwed into two M4 T nuts in the factory installed plywood reinforcement You don t need to make the tailwheel s...

Page 10: ...sure a perfect fit of the canopy inside Lay the canopy on top of the frame and mark the rough shape with a felt pen or wax crayon Cut the outer border of the clear canopy with sharp scissors about 12m...

Page 11: ...between the frame and the clear plastic or if you prefer you can carefully remove the canopy frame from the fuselage and use a 30 minute or 24hr epoxy and micro balloon mixture for gluing all the edge...

Page 12: ...t to add a drop of Loctite to the bolt that secures the arms to the servos Make sure that your servo arm slots allow enough space for maximum throw Otherwise extend them using a cutter The linkages be...

Page 13: ...l joints Install the servos into the rudder tray using the 2 9mm x 13mm screws supplied with the servo output shafts towards the tail of the plane We recommend to use full metal servo arms SWB or Secr...

Page 14: ...ower for all manouvers Note that a too small holding torque of your servos can cause fluttering The first job is to install the outer Servo For that purpose cut a servo hatch in the bottom of the wing...

Page 15: ...es For that purpose you can use the plywood reinforcement plate supplied in the kit Now you need four screws with two nuts on each to adjust right and upthrust Assemble it as shown on the photos refer...

Page 16: ...lons mixture and to install the engine by using the M6x100 screws and T nuts supplied in the kit It s a must to bolt the engine to the backplate of the motor dome in the fuselage in order to achieve t...

Page 17: ...embled with thin CA and then glued firmly with 30 minute epoxy and milled fibre mix If you use a high power servo with full metal gear it ll be ok to install it at the dome But make sure that there is...

Page 18: ...onsider that during the RC installation Lay the cables carefully so that there is no chance for any cable to contact the hot pipes That will kill the isolation and may end in the damage of a servo or...

Page 19: ...you will almost certainly need to make a simple 3mm thick balsa baffle plate inside the cowling to make sure that enough cooling air is directed through the engine cylinder fins instead of just going...

Page 20: ...r mounts provided in the kit must be glued in place Assemble the mounts as shown at the photo right and install a M4 T nut in each one in order to screw the mounts to the tank base Then adapt the moun...

Page 21: ...uld cost you your plane We use the normal 3 tube plumbing system one from the clunk to feed the motor one out of the bottom of the plane vent overflow and one at the top for filling close for flight I...

Page 22: ...the Extra using the DA200 and the internal canister set up shown should find that with all 3 batteries positioned as shown at the end of the canopy the C of G will be spot on with no lead needed At o...

Page 23: ...isted cable leads of the exact length required and Multiplex 6 pin connectors so you can use 1 pin for each wire We glue the female connectors into small plywood plates in the sides of the fuselage fo...

Page 24: ...ling wing and stab mounts carefully again Are all extension leads cables and fuel tubes securely fixed to the side of the fuselage and cannot come loose when subjected to high G forces during flight A...

Page 25: ...ate switch On high rate the elevator should really be at maximum up to 50 degrees both sides We added only 15 exponential to the high rate setting in order to provide enough sensitivity during 3D mane...

Page 26: ...ow this needs some practice to make it perfect every time 3D capabilities are out of this world The huge control surfaces combined with the lightweight airframe and the huge power reserve let our Extr...

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