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R/C Westland Wyvern





My modified  Westland Wyvern  R/c model 1/6th(just under ) Standoff scale flying over the South Downs UK on finals  landing approach..   The engine is a Laser 300V f/s   Custom retracts are very near scale, These were made for me by an model engineering  friend John Pace ..   This model is a reworking of my first  ARTF  by Black Horse models  .. pretending to be an S4 Wyvern , but in fact its a low back  T1 fuz with a  S4 cowling,  jet exhaust outlet, canopy, & mk2 wing layout ..


      
       Sporting new Static contra rotating Propellers 8 blades  Placed 3rd in stand off scale 2015 BMFA national, although I had the Highest flight score of the S/O class modified ARTFs can't compete with built models as the rules are stand at present..    at the prize giving  Bmfa Chairman  Chris Moynihan gave me his  personal thanks for impressing the dignities that    he was escorting  around the Nationals Scale flight line during my 3rd flight ..                                                                          
                                                         2015 Photo below cc Bob Fletcher   ..


 Near scale oleos  Deflection load@2mm=6kg each leg (13. 5lb)
                             Deflection load @12mm10.5k each leg (23. 2lb
         The start of carving  Static Propellor blades 8 to do 4 of these are  reversed pitch  

  


Painted & mounted on  new Static Contra rotating spinner the smaller spinner is the first I made to fit the original spinner diameter the new one is 6-1/4inch dia..




 Finish blade hand carved  


Static spinner & gearbox fitted also photo's  of the  Laser 300 V twin  that powers the Wyvern & new Extension prop driver & sleeve bolt... Graupner G-Sonic 50x25cm(20x10) flying propeller used ..         A working contra rotating is in the planning stage  so maybe one day!!..


                   Std  Model as supplied in the foreground below has placed 2nd &3rd in Bmfa Scale                             flying only events ..

 Model subject Wyvern S4 aboard HMS Eagle below 

  Gained the highest  flight score in its class  stand off scale of the  Nationals  2015..
photo Bob Fletcher

 After  many try's top of the tree in area comp ..

                                                                                                                                                                       October  2020,  below my 2nd Wyvern stripped  epoxy glassed  repainted, std electric retracts,  oleo's upgraded,  Carbon fibre doors not scale.


 Link below to bmfa comp,  flying only,  5th September 2021.. for short clip  on the first Comp for me since Sept 2019. Nationals competition .
https://www.youtube.com/watch?v=d7RsIxBHmes      

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