Product overview
The GEPRC GEP-Mark4 Frame is an airframe kit for freestyle builds intended to support smooth flight filming. Its H-type architecture uses CNC-processed 3K twill carbon fiber plates, with 5mm arms, 2.5mm side, top and bottom plates, and 2mm protective plates. The Mark 4-5, Mark 4-6 and Mark 4-7 accommodate 5inch, 6inch and 7inch propellers respectively. Their motor-to-motor dimensions are 225mm, 260mm and 295mm, with corresponding frame weights of 102g, 111g and 121g.
Electronics integration uses 25mm standoffs and flight controller mounting patterns of 30.5*30.5 and 20*20, with the stack positioned centrally or toward the rear. The supplied kit includes plates, aluminum standoffs, screws, silicone pieces, battery straps and antenna mounting hardware; its arm inventory specifically lists 5inch arms. Flight controllers, motors, ESCs, propellers and batteries are recommended build components rather than supplied flight equipment. A separate 150 g weight entry and a 4inch size entry have no corresponding detailed configuration specifications.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer and product | GEPRC GEP-Mark4 Frame |
| Purpose | Lightweight freestyle frame designed for electronic installation, balanced center of gravity and smooth flight filming. |
| Frame architecture | H type |
| Model, propeller size, motor spacing, dimensions and weight | Mark 4-5; 5inch propeller; 225mm motor to motor; 145*172mm; 102g.Mark 4-5 configuration. |
| Model, propeller size, motor spacing, dimensions and weight | Mark 4-6; 6inch propeller; 260mm motor to motor; 162*203mm; 111g.Mark 4-6 configuration. |
| Model, propeller size, motor spacing, dimensions and weight | Mark 4-7; 7inch propeller; 295mm motor to motor; 193*223mm; 121g.Mark 4-7 configuration. |
| Arm plate thickness | 5mm |
| Side plate thickness | 2.5mm |
| Top plate thickness | 2.5mm |
| Bottom plate thickness | 2.5mm |
| Protective plate thickness | 2mm |
| Additional weight entry | 150 g |
| Additional size entries | 5inch, 6inch, 7inch, 4inch |
| Flight controller, motor, ESC, propeller and battery recommendations |
|
| Flight controller, motor, ESC, propeller and battery recommendations |
|
| Flight controller, motor, ESC, propeller and battery recommendations |
|
| Electronics installation clearance | 25mm standoffs provide electronics installation space and support the intended height and center-of-gravity relationship. |
| Flight controller mounting and stack positions | 30.5*30.5 and 20*20 flight controller mounting patterns; center or rear stack placement. |
| Plate material and manufacture | CNC-processed 3K twill carbon fiber plate. |
| Maintenance access | Designed for quick arm maintenance and equipment replacement. |
| Supplied frame plates and battery pad | 4 × 5mm 5inch arm plates; 2 × 2.5mm side plates; 1 × 2.5mm top plate; 1 × 2.5mm bottom plate; 2 × 2mm bumper plates; 2 × 2mm reinforcement plates; 1 × LiPo silicone pad.Included equipment. |
| Standoffs | 8 × M3*25mm and 4 × M3*18mm Alu6061 standoffs, titanium color.Included equipment. |
| Screws | YFS flat screws: 8 × M3*8 and 4 × M3*10; YFS button screws: 4 × M3*12, 4 × M3*14 and 4 × M3*20.Included equipment. |
| Flight controller silicone, nuts and ties | 4 × M3 flight controller silicone pieces; 4 × M3 nylon nuts; 4 × 5*150 nylon ties.Included equipment. |
| Battery straps and antenna tube | 2 × 20*220 GEPRC LiPo straps; 1 × 15*250 GEPRC LiPo strap; 1 × 2.4g antenna fixing tube.Included equipment. |
| Fastener construction | YFS steel screws with 12.9 grade strength, non-slip teeth and anti-rust characteristics. |
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