Quick Answer
FPV propeller material matters more than most pilots realise. ABS props are cheap and fine for learning, but polycarbonate (PC) and glass-fibre-reinforced nylon hold their shape at high RPM, produce less jello, and last longer. The difference in price is often under £1 per set, but the difference in flight quality is immediate.
Three Prop Materials, Three Very Different Flights
We went through a phase of buying the cheapest props we could find. Every crash meant a fresh set, so why spend more? The answer became obvious when we ran the same build back-to-back with ABS and then polycarbonate props. The PC props held pitch at full throttle. The ABS props flexed, generating a faint high-frequency vibration that showed up as jello on our jello checklist as "mystery vibration source number one."
There are three main materials you will see in FPV props:
ABS (Acrylonitrile Butadiene Styrene)
The budget standard. ABS props are cheap, available everywhere, and fine for your first few weeks of flying. They crack on impact rather than bending, which means you bin them more often. They also flex under load, which hurts prop wash handling and adds jello to your footage. For 5-inch freestyle on 6S, ABS is a false economy.
Polycarbonate (PC)
Stiffer than ABS, more resistant to impact, and holds pitch accuracy at high RPM. PC props are the sweet spot for most freestyle and racing builds. They cost slightly more but survive more crashes and produce cleaner footage. If you are filming with an action camera, PC is the minimum we would use.
Glass-Fibre-Reinforced Nylon
The stiffest and most durable option. The HQProp 16x8x3 cinematic props are a good example. These are built for heavy-lift and cinelifter builds where prop flex at high RPM would ruin footage. They survive impacts that shatter ABS props. The trade-off is weight: reinforced props are heavier, which affects throttle response on smaller builds. We use these on 8-inch and larger long range rigs, not on 5-inch freestyle quads.
What We Actually Fly
On our 5-inch freestyle builds, we run polycarbonate. The 5-inch props collection has options across all three materials. For learning, ABS is fine because you will break a lot of them. Once you are flying regularly and crashing less, switch to PC. Your footage will thank you.
For long range and cinematic builds, glass-fibre-reinforced nylon is worth the extra cost. Browse the full propellers collection for all sizes and materials, or see our 8-inch props for larger builds.
The contrarian take: prop material matters more than blade count. We would take a well-made bi-blade PC prop over a cheap tri-blade ABS prop every time. For help choosing blade count, read our tri-blade vs bi-blade guide and propeller size guide.
How to Tell if Your Props Are the Problem
If your footage has jello and you have already checked motor balance and mounting, swap to stiffer props. We have solved more jello issues with a prop change than with any other single fix. Bent props also cause motor bearing wear over time, as covered in our prop balance guide.
FAQ
Q: Are expensive props worth it for a beginner?
A: Not for your first 50 flights. Learn on cheap ABS. Once you are crashing less than once per session, upgrade to polycarbonate. The improvement is noticeable immediately.
Q: Do stiffer props cause more motor stress?
A: Stiffer props transmit more vibration to the frame, but they generate less vibration in the first place because they do not flex. Net result is usually less stress on motors, not more.
Q: Can I mix prop materials on the same build?
A: Do not. Different materials have different weights and flex characteristics. Mixing them creates asymmetric thrust and unpredictable handling.
Q: How many sets of props should I keep in stock?
A: At least four sets. Props are the consumable of FPV. Running out means no flying, and no flying means no practice.