Prop Selector
Diameter + pitch + blades → thrust, amps, KV
Open →FPV Bible
Every answer. No forums.
Nine categories of field-tested knowledge, seeded from real build experience. Use it before you fly — not after something goes wrong.
Interactive Tools
Calculate, don't guess.
ND Filter Calculator
Frame rate + lighting → correct filter stop
Open →Motor KV Guide
Prop size + cell count → KV range
Open →Battery C-Rating
Capacity + C rating → burst current + build fit
Open →Altitude & Air Density
Altitude + temp → density deficit + prop adjustments
Open →PID Simulator
Drag P, I and D, watch the step response live
Open →ESC Selector
Motor current + cell count → ESC rating + battery check
Open →Knowledge Base
Nine categories.
Props
1 articleBlade selection, balancing, and impact damage diagnosis.
Browse →Motors
2 articlesKV ratings, stator sizing, motor failure modes, and heat management.
Browse →Tuning
1 articleBetaflight PIDs, filters, rates, and blackbox analysis.
Browse →Batteries
1 articleLiPo care, storage voltage, safe disposal, and capacity selection.
Browse →Environment
1 articleWind limits, rain, temperature, and site hazard assessment.
Browse →Payload & Camera
2 articlesCamera mounts, gimbal tuning, weight limits, and connector types.
Browse →Cinema & Camera
2 articlesND filters, shutter rules, colour science, and codec choices.
Browse →Pre-Flight & Ops
2 articlesChecklists, airspace checks, and CAA compliance essentials.
Browse →Build & Maintenance
2 articlesFrame builds, soldering, component specs, and maintenance schedules.
Browse →Quick Reference
Field cards.
Formatted for fast scanning on mobile. Use these in the field.
Quick RefBatteries
LiPo Battery Care and Storage
LiPo batteries are the most dangerous and most perishable component of any FPV build. Correct charging, storage voltage, and disposal dramatically extends pack life and keeps you safe.
Open →Quick RefCinema & Camera
ND Filters and Exposure for Cinematic FPV
The 180-degree shutter rule is the foundation of cinematic motion blur. ND filters let you apply it in bright conditions without overexposing. Getting this right is non-negotiable for professional-looking footage.
Open →Quick RefMotors
Motor KV Selection Guide
KV is the RPM-per-volt rating of a motor. Picking the wrong KV for your prop size and cell count wastes power, overheats motors, and kills efficiency. This guide maps KV to the most common FPV build sizes.
Open →Quick RefPayload & Camera
FPV Camera Connector Types and Wiring Guide
Analogue FPV cameras, digital video transmitters, and action cameras all use different connector standards. Knowing what plugs into what before you start a build saves you from ordering the wrong cable or damaging a £200 camera.
Open →Quick RefPre-Flight & Ops
FPV Pre-Flight Checklist
A consistent pre-flight routine catches the problems that post-crash teardowns confirm were preventable. Run this checklist before every session, not just on unfamiliar sites.
Open →Quick RefProps
Choosing and Balancing FPV Props
Props are the most replaced part on any FPV build. Choosing the right pitch, blade count, and material — then balancing them correctly — has a direct effect on efficiency, noise, and video smoothness.
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