Precision instruments for people who build and fly

Rynthora designs focused, no-nonsense tools that make exacting measurements simple — so you can spend less time second-guessing and more time doing.

What to expect from a Rynthora tool

Whatever we make, the goal is the same: a result you can trust and repeat, with as little fuss as possible.

Precision first

Measurements you can trust and repeat, every time.

Simple by design

Clear interfaces and sensible defaults — no clutter, no steep learning curve.

Browser-based

Open it on any device — nothing to install, no app store.

Private by default

Works on your own network or device — no account required.

Built for desk and field

Responsive and readable in any light, from the workshop to the flight line.

Yours to keep

[Add your ownership, support, or warranty promise here.]

Meet Rynthora CG

A live, browser-based console for center-of-gravity weighing. Place an aircraft on the scale and read its CG and total weight in real time, with an instant pass/fail check against the limits you set.

  • Live center of gravity, total weight, and balance.
  • Instant IN RANGE / NOSE-HEAVY / TAIL-HEAVY verdict.
  • A reusable CG profile for every aircraft.
  • Guided setup and calibration.
  • Works on phone and desktop, light or dark.

RC Model Utility

RC Model Utility brings unlimited control-surface configuration, every tail layout, and live centre-of-gravity readings into one workspace on your iPhone.


More from Rynthora

Rynthora Angle

Surface area angle Coming soon.

Get in touch

Questions, orders, or partnership ideas? We’d love to hear from you.