Carolina XC (X Class Quad Copter Frame)

Introductory Price of $75.00 for the frame plates thru September 30th, 2018
Carolina XC (X Class) Frame features

• Frame body meets minimum size requirement of 5" X 8" for X Class Circuit Rules. Frame Body is 5.81" X 8.92"
• Frame plates cut from high quality 2.5mm or 3mm (Beef Edition), 3k Twill with Matte Finish Quasi-Isotropic Carbon Fiber.
• Multiple Arm configurations supported. 3D prints developed for 20mm, 21.5mm & 25mm Tubes, 20mm X 20mm Square Tubes and 20mm X 30mm Octagon Tubes. Also supports directly bolting arms between top and bottom frame plates without clamps or standoffs (4.1mm holes in all plates that can be opened up for larger bolts if needed). Note that 21.5mm tubes are all that has been currently tested. Anyone interested in testing the other mounts contact Robert Wheeler and he can work with you to refine them. Frame will allow for any arms to be clamped that fit between standoffs spaced 31mm center to center (26mm between standoffs).
• Multiple Flight Controller mounting supported. 20mm X 20mm, 30.5mm X 30.5mm and 45mm X 45mm. Center and front mounted FC holes for 20mm X 20mm and 30.5mm X 30.5mm FC's.
• Multiple Motor Mounting supported. Hole patterns for 20mm X 20mm, 20mm X 25mm, 25mm X 25mm and 30mm X 30mm.
• Chamfering on one side of all plates. Chamfering to face outwards.
• If using 3D printed parts there is an option for integrated ESC Mounts and Mini FPV Camera (i.e.:Runcam Micro Swift or similar)Mount.
• FPV Camera Mount holes with pressnuts. Spaced 45mm X 45mm. Same spacing as MRM Reaper frame. Great 3D sells a Session Mount to fit this frame.
• Frame CAD available as Free Download for anyone that wants to cut their own frame or make changes to it. Great 3D can cut your customized frame. Subject to Creative Commons - Attribution - Non-Commercial license. 
• 3D Prints available as Free Download for anyone that wants to print their own parts. 3D parts should be printed with TPU at 100% infill for maximum clamping on arms. .STEP file format also available for free download for those that want to customize their own clamps. Subject to Creative Commons - Attribution - Non-Commercial license.
• Mounting holes for popular Blue Sea Systems DualBus 100A 5 circuit Bus Bar.

You can purchase the complete frame or just the parts you want.

Pick and choose the items you want.  If you have a 3D printer and want to print your own TPU Arm Clamps you can get the STL files here.  You can also get the CAD file for the Frame here if you would like to make changes to it.  

Available Items -

Carbon Fiber Plates (Default purchase) - Includes Top (1), Bottom (1) and Top and Bottom Motor Mount (8) plates.  All Carbon Fiber Plates are made from High Quality 2.5mm (or 3mm depending on version ordered) Quasi-Isotropic Carbon Fiber (3K Twill Weave, Matte Finish).  All plates are chamfered on 1 side.

Arms (Qty 4 or 6) - Arms are 21.5mm X 19.5mm X 500mm Carbon Fiber Tubes.  You can decide to source your own arms.  The standoffs are spaced 29mm apart center to center so anything that will fit between the standoffs can work.  For example 20mm X 20mm Square CF Tubes will work or 20mm x 30mm Octagon tubes will work also.  The default 3D print files can be downloaded free here.  You Can edit them to fit any type of arms you want.

35mm Standoffs (Qty 36) - You can source your own or choose from 7 different colors of 35mm X 5mm Anodized Aluminum Standoffs.

12mm M3 Stainless Screws (Qty 72)  - You can source your own or choose from Black or Silver

3D Printed Arm Clamps (Qty 16) - These are designed for 21.5mm OD Round Carbon Fiber Tubes.  You can also download the STL and STEP files here to Either Print or edit the design for different arms.  Only the 21.5mm Tube clamps have been tested.  As the other arm designs have been tested they will be offered for sale here at Great 3D.

If you are sourcing your own arms you can cut them to the following length in order to make the quad the following sizes.

• 500mm - Approx 1050mm
• 475mm - Approx 1000mm
• 450mm - Approx 950mm
• 425mm - Approx 900mm
• 400mm - Approx 850mm
• 375mm - Approx 825mm

If you want to mount a Session Mount on the frame I have added holes that match the hole pattern on this MRM Reaper Mount by Brent Collier and it can be ordered here.

If you need additional 21.5mm Carbon Fiber Tubes you can order them here.

If you have questions about the frame please contact us here.

NOTE that your order can take 2-4 business days to ship depending on our current stock of cut frames.  Also ordering 3D parts can add 2-3 business days to your order.

If you are in Europe you can purchase the frame from our UK Based Partner GAATECH Carbon Design CNC and the 3D Printed Parts from MultiRotorSpares.  (Links will be added soon).