
Precision engineered solutions to your problems
Whether it’s out of this world or firmly on it, there’s no problem too big or small!
July 2024 update:
I’m heading overseas for a holiday, before another season of Castrol Toyota Formula Regional Oceania Championship with Toyota Gazoo Racing New Zealand – I’m back in NZ from Christmas, and available for work from 01/03/2025.
About Us
Inertia Engineering is based in Auckland, New Zealand, and run by the goose himself (Isaac Grigor). I am a qualified Mechanical Engineer, with a passion for problem solving and a background in aerospace and motorsport engineering.

Rocket Lab’s Lunar Photon stage, for NASA’s CAPSTONE

Services
Inertia Engineering specialises in mechanical research and development, ranging from CAD design and instrumentation to the certification and pressure testing of industrial process equipment.
With a decade of experience across top-tier motorsport and industry-leading aerospace, I am confident in engineering a solution to your problem.
Products
Inertia Engineering offers a range of in-house designed products, including:
- Precision measurement equipment for aiding high-performance engine assembly
- Direct Injection (DI) injector flow verification test stand (in development)
- CO2 bottle rocket launcher system
Concept-to-delivery, and anything inbetween!

