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The Foxeer Caesar 3.5'' Racing Frame Kit is a lightweight and durable carbon fibre frame designed for high-performance FPV racing. The page describes a compact 3.5-inch size that offers agility and speed for pilots who want precision control and robust construction.
The specifications give a Toray T700 carbon material with a silky coating, a 150 mm wheelbase, M2 mounting holes of 20x20 mm or 25.5x25.5 mm, a 14x14 mm camera size and a weight of 50 g including TPU and screws. The page did not show the item as out of stock at ₹2,779.
Toray T700 carbon with silky coating: strength and durability.
150 mm wheelbase: a compact 3.5 inch frame.
50 g including TPU and screws: lightweight.
20x20 / 25.5x25.5 mm M2 mounting: as listed.
14x14 mm camera size: as listed.
Superior impact resistance: for racing.
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.
FPV racing
3.5 inch builds
Compact quads
Competitive flying
Lightweight builds
The stack mounting is M2 with 20x20 mm and 25.5x25.5 mm patterns and the camera size is 14x14 mm. The arms are 4 mm thick.
The kit includes an antenna mount, three types of TPU mount, M3 and M2 hardware, a battery strap and an anti-slip mat.
Material: Toray T700 carbon with silky coating
Wheelbase: 150 mm
Mounting hole: 20x20 mm / 25.5x25.5 mm M2
Camera size: 14x14 mm
Weight: 50 g (including TPU and screws)
Arms: 4 mm
4 x 4 mm arms
1 x Top, centre and bottom plates
1 x Standoffs
1 x Antenna mount
1 x TPU mounts (3 types)
1 x Screws (M3x8/10/12) and M2 hardware
1 x Battery strap
1 x Anti-slip mat
Racing pilots who want a light 3.5 inch frame.
150 mm.
50 g including TPU and screws.
14x14 mm.
20x20 mm or 25.5x25.5 mm with M2.
| Brand | Foxeer |
|---|---|
| Material | Toray T700 carbon with silky coating |
| Weight | 50.000000 g |
| Wheelbase | 150.000000 mm |
| Selling unit | PCS |
