GoolskyTru-Spin Prop Balancer for RC Helicopter Multirotor Airplane

What a great prop balancer. If you’re into RC planes or any flying aircraft this is the must have tool. Easy to use. And the quality of the product is fantastic. I give this product a five star.

To small for most prop spinners. Good for props but needs better plastic sleeves that hold everything together. I use striped insulation off of small wire.

The prop shaft had a very slight curve, about 1-2 thousandths (less than a hair thickness), easily fixed by supporting the ends and pressing (hard) in the middle.Over-tightening the nuts that secure the balance disc assemblies to the vertical rods will compress the plastic housings and prevent the discs from spinning freely. The nuts don’t need to be very tight at all, just snug them up enough to prevent slipping but not enough to cause the discs to bind.After figuring these two quirks out I easily balanced a folding prop, and determined that Uxcell plastic props are close to perfect out-of-the-bag.Other reviewers have mentioned missing parts and improperly threaded nuts or rods. If you get one that suffers these problems, contact the seller for replacements, or just return it for another one.Overall, it works fine if you’ve got a hobbyist’s mechanical intuition and tinkering skills to get it set up right.

The shaft is bent, the wheels aren't round and have flat spots so the shaft doesn't roll frictionless, and last but not least the little pieces of tubing won't hold the centering cones tight enough to support the weight of a sheet of paper let alone a prop or wheel. I really can't recommend this product.

came with bent balancing shaft making it unusable. Sent three emails to customer service with no answer. Had to buy Du-Bro replacement so I could use it. Should have went with Du-Bro in 1st place. Wouldn't recommend to anyone.

Can’t get it to work. The rubber hoses do not lock it in so was kinda a wast of money for me

Big time differenceAmazing how much better my cars handled...

Came with shaft that was too large. Vendor was super in response and response time. They sent a smaller shaft that fits perfectly. Unit is overall quite nicely made, precise, and balances easily. No substitute for a real prop balancer and this is one. Excellent product support, too.