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The Foxeer Caesar 3'' Racing Frame Kit is a high-performance 3-inch frame designed for competitive FPV drone racing. The page describes construction from Toray T700 carbon with a silky coating that enhances durability, and essential TPU parts for camera protection.
The technical specifications give a 136 mm wheelbase, M2 mounting holes of 20x20 mm or 25.5x25.5 mm, a 14x14 mm camera size and a weight of 48 g including TPU and screws. The kit has four 4 mm arms, a 2 mm top/centre plate, a 2.5 mm bottom plate, eight M3 D5 standoffs, an antenna mount, a turtle fin and three TPU camera mounts. The page did not show the item as out of stock at ₹3,579.
Toray T700 carbon: with a silky coating.
Optimised for 3 inch propellers: agile handling.
TPU parts for camera protection: included.
136 mm wheelbase: as listed.
48 g: including TPU and screws.
Robust for racing: withstands impacts.
A drone frame is the skeleton that holds everything together: the arms carry the motors, the plates carry the flight controller, ESCs, battery and camera, and the whole structure must be stiff enough that vibration does not reach the gyro. Carbon fibre is the standard material because it is light and very rigid. The wheelbase, measured motor to motor across the diagonal, sets the size of propeller the frame can carry, and the arm thickness sets how well it survives crashes.
Match the frame to your parts. Check the motor mounting pattern, the flight controller and ESC stack hole spacing, the camera width, the video system you want to fly and the largest propeller the arms allow. TPU parts such as arm guards, antenna mounts and camera mounts are printed in a flexible plastic so they absorb impact. The battery strap and anti-slip pad keep the pack from moving under G-force.
Build carefully. Use thread-locking compound on the metal screws that are not in a plastic nut, keep the screw lengths from the hardware bag matched to the holes they belong in, and do not over-tighten screws into carbon fibre. Route motor wires away from sharp plate edges, mount the flight controller on soft grommets when the frame supports it, and check that nothing rubs a propeller before the first flight. After a crash, inspect the arms for cracks and replace any that are damaged.
Plan the balance of the build. A heavier battery moves the centre of gravity, so place it where the frame is designed to carry it, and keep the antenna, GPS and camera clear of the carbon plates where possible because carbon blocks radio signals.
3 inch racing
Compact quads
DIY builds
Competitive flying
Lightweight builds
The stack is M2 mounted at 20x20 mm or 25.5x25.5 mm and the camera size is 14x14 mm.
The page says it reduces vibrations and is easy to assemble for DIY builders.
Material: Toray T700 carbon with silky coating
Wheelbase: 136 mm
Mounting hole: 20x20 mm / 25.5x25.5 mm M2
Camera size: 14x14 mm
Weight: 48 g (including TPU and screws)
4 x 4 mm arms
1 x 2 mm top/centre plate
1 x 2.5 mm bottom plate
8 x M3 D5 standoffs
1 x Antenna mount
1 x Turtle fin
3 x TPU camera mounts
1 x Screws and nuts (assorted)
1 x Battery strap
1 x Anti-slip mat
Racing pilots who want a very light 3 inch frame.
136 mm.
48 g including TPU and screws.
14x14 mm.
Eight M3 D5 standoffs.
| Brand | Foxeer |
|---|---|
| Material | Toray T700 carbon with silky coating |
| Weight | 48.000000 g |
| Wheelbase | 136.000000 mm |
| Selling unit | PCS |
