v1.5 · Builder preview
The drone engineer
you don't have.
Physics-based analysis, component search, and build design, all in one tool. Pick your workflow below.
Build Configuration
Enter specs manually or search for components
Drone Type
Motor
Battery
Frame & Payload
Where does this weight come from?
ESC
Ready to analyze
Fill in your build configuration and click Calculate.
Your Requirements
Tell us what you need. We find the components
Use Case
Performance Goals
Priority
Weighs flight time and thrust-to-weight equally, for a solid all-round build, within your budget.
Set your goals
Define flight time, payload and budget. We'll suggest compatible components from our database.
Public Roadmap
Built in the open.
PropDesk is actively developed. Here's what's live, what's next, and what's planned. Features marked Builder and Pro will be part of paid plans.
Live now · v1.5
✓
Build Analyzer
T/W ratio, endurance & ESC warnings with real manufacturer data
✓
Component Search
41 motors, 37 batteries, 23 ESCs with auto-fill, each labelled by data quality
✓
Design from Goals
Input requirements, get compatible component suggestions
✓
Complete a Build
Have some parts? Get suggestions for the rest
✓
Drone Type Presets
FPV, Cinematic, Long Range, Heavy Lift defaults
✓
Mismatch Detection
Warns when motor doesn't match selected type
Just shipped · v1.5
✓
Saved Builds Builder
Save and revisit your builds across sessions
✓
Build Comparison Builder
Compare 2-3 configurations side by side
✓
PDF Export Builder
Full build report with all specs and calculations
✓
Multi-Battery Support Free
Run packs in parallel or series, with capacity and weight handled automatically
Shipped · Pro & Community
✓
Cost Optimizer Pro
Cheapest safe build for your mission, in three profiles. Every option passes the same safety checks as the calculator
✓
Verified Thrust Data Free
6 of 41 motors have a published thrust table, interpolated per propeller. 7 more have their specs confirmed against the manufacturer. The remaining 28 carry no manufacturer source yet and are labelled unverified.
✓
Build Projects & Gallery Free
Document a build as you go, attach photos, publish it to the gallery · in beta
✓
Comments & Reporting Free
Ask the builder questions; anything can be flagged for review · in beta
In progress · building now
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Compatibility Checker Pro
One pass over the whole build: ESC voltage and current, KV vs propeller, frame clearance, connector and wiring limits
→
More Long-Range Batteries Free
Today the database tops out near 22 min of cruise; parallel-pack and Li-ion options push that further
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Component Reviews Free
Written notes on what each part is actually good for, alongside the numbers
→
Annual Plans Builder
Pay yearly for less than monthly
On the horizon · v2.0
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One Adaptive Workflow Free
The four tools merge into a single flow that adapts to whatever you already know about your build
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Flight Log Import Pro
Upload ArduPilot logs and compare real flight against the prediction
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Public API Pro
Integrate PropDesk physics in your own tools
·
Live Retailer Pricing Free
Current price and stock at the source instead of reference estimates
·
Bench-Test Calibration Free
Measured low-throttle data would let the model drop its most conservative assumption. We won't invent the constant
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Video in Projects Free
Diaries take photos today. Short clips are the natural next step for maiden flights
Want a feature prioritised?
Tell us what you need. Your feedback shapes the roadmap.
Your Existing Parts
Tell us what you have and what you want
What you have
What you want
Select your parts
Search for the components you already have and we'll suggest what's missing.
Cost Optimizer
Find the cheapest safe build for your mission
Every option below passes the same safety checks as the calculator. No build with an overloaded ESC or unsafe thrust-to-weight is ever suggested. As with any engineering tool, verify before you buy.
Mission
Find the best value
Set your mission and budget. We'll find the cheapest combinations that stay safe, in three profiles.