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LR4 - Katana 刀 Foldable Frame Kit

LR4 - Katana 刀 Foldable Frame Kit

  • Availability: Out Of Stock
  • $39.95
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What are the Feature?

Foldable Arms 

Double stack design

Replaceable arms

Top or bottom mounted Lipo

Designed to take advantage of the Runcam Split Mini DVR  or similar

Designed for long range flying  but also perfect for racing or Freestyle 

Foldable Antenna Mount  -  (Limited time offer only)

3D printed TPU motor guards are included


What are the Specification?

3mm CF Arm

1.5mm arm support CF plate

1.5mm Bottom CF plate

1.5mm CF top plate

25mm Anodized aluminum knurled standoffs

35g. CF only and 49g.  assembled, pretty light for a 4" frame

Flexible TPU printed accessories

Premium Battery strap with anti-slip coating and metal buckle 


What comes with the Kit?

4Pc. CF arm

1pc. CF top plate

1pc. CF bottom plate

1pc. CF arm support plate

1pc. Premium battery strap

1pc. Foldable antenna mount

2pc. Camera mount

4pc. Motor guards

1 Set of mounting hardware and standoffs


What are the recommended parts?

Any 20x20 size flight controller

Any 20x20 size  4 in 1 ESC 20A or higher

1360~14xx Brushless motors

4" Props  (bi-blades is perfect if you want to fold the arms).Also good for 3" props

Supports most CMOS and CCD camera like the Runcam micros/mini , spli mini, sparrow, micro eagle , foxeer etc.

Micro Recever RX

Video transmitter VTX

3~4S Lipo 


Any Videos?



Note: Pictures shown are for illustration purposes only,  see product desciption on whats included with the kit. 







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Tags: lr4, tomoquads