Design. Build. Fly. Precision

Grip-It CG It™

Introducing the newest innovative design by AeroFit RC!

Grip-It CG It™ Precision at Your Fingertips...Without using your Fingertips!

Universal Design: Engineered for all aircraft types, from trainers, warbirds, 3D flight, lightweight foamies and heavy turbine jets (as long as you can lift it).

Field Portable: Compact enough for your flight box. Perfect for re-verifying CG after every battery change where the balance can shift. Extremely stable reducing the chance of an accidental drop.

Non-Slip Protection: Using replaceable double-sided tape to prevent sliding during balance, protecting your expensive paint or film finish.

Simple to Use

Attach a length of double-sided tape to the bottom of the CG locating spheres. Use the tick-mark to align with your CG on each wing.

Secure and Balance

Take hold of the Grip-It CG It™ handles and reach under the wing. Guide the pre-positioned CG spheres into the securing sockets to safely support your airframe for a precision balance check.

Forget the Fingers!

Unshakeable Stability. Unlike traditional fingertip balancing or slippery stands, our socket-and-sphere design creates a positive mechanical connection. This means you can tilt, tap, and adjust your airframe without the fear of it slipping off. It’s a 'locked-in' feel that lets you focus on the perfect CG, not on catching a falling plane.

NEW! Grip-It CG It™ Deluxe

Sturdy. Stable. Secure. The Grip-It™ Bench Top Edition isn't just a balancer; it's a heavy-duty anchor for your workshop. Built with a reinforced core to handle the heaviest airframes, it delivers a level of strength you can feel the moment you set your plane down. No shakes, no slips—just a solid platform for serious modeling.

Apply double-sided tape to the balancing spheres and align the tick-mark with your CG.

Insert the three stabilizing feet into the center hubs - thread on the 6" extensions (the grips may be threaded on for more height)

Align the CG locating spheres with the socket located on the grips

Adjust battery position or add weight until the aircraft sits level.

Precision RC jet turbine mock-up tool for all brands and sizes

The Weight-Configurable Core

Stop guessing and start precision building. Our system combines a weight-configurable core with a dimensionally accurate shell and brand-matching mounting clamps. This allows you to verify fitment and set your Center of Gravity (CG) with zero risk - ensuring a perfect, drop-in match for your specific turbine brand when you're ready to purchase it.

Don't Let Your Build Stall

Waiting on a backordered turbine or saving up for that big purchase? Don't let your airframe sit unfinished. AeroFit RC has the perfect mock-up power plant, allowing you to continue your assembly or scratch-build without the engine on hand. Finish your plumbing, run your wiring, set your CG, and dial in the tailcone to bellmouth distance now - so when the real turbine arrives, you are ready for the runway.

X45 Mock-up is perfect for twin A-10

Universal Applications

From giant scale builds to foam conversions, our system adapts to the project!

Standard Rail Fitment: Drops directly into mounting rails just like major brands like KingTech, Swiwin, JetCat, Xicoy, and more!
Essential for EDF Conversions: The ultimate tool for retrofitting foam jets. A economical option when still only considering the conversion. Safely carve tight engine bays and align thrust tubes for micro-turbines (e.g., K30, X45 size) without exposing a real engine to foam, glue, dust or damage.
Brand Matching Mounts: Mount your mock-up turbine tool with accurate bolt patterns.

Our Mock-up is right at home in the shop with no risk of damage. Contact us below!

Ordering and Inquiries

Ready to advance your build?

Individual Builders: Stop waiting and start building! Select your specific engine model from the options below to order directly. Don't see your brand and size listed? Contact us below for custom requirements.

Retailers & Manufacturers: Interested in carrying AeroFit? Want to encourage builders to buy your brand turbine? We offer wholesale pricing, dealer support, and white-label manufacturing options.

We are rapidly expanding our library - let us know what turbine you want - contact us for a tiered pricing based on your specific engine brand and weight requirements.

Don't see your specific model? We support legacy & discontinued engines. Contact us below for a custom core.

Shop KingTech Turbine Mock-Up Cores

Shop JetCat Turbine Mock-Up Cores

Shop Swiwin Turbine Mock-Up Cores

Shop Xicoy Turbine Mock-Up Cores

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