ZYHOBBY RC Plane Throw Meter for RC Model DIY Tool Miracle Anodized Aluminum Throw Meter

This was perfect to synchronize neutral and endpoints on aileron and elevator stabs. Before using this the left aileron was 3 degrees above the right and the endpoints were even worse meaning any rolls or banks introduce skewed roll directions. Likewise for the elevator the right stab was above the left… and loops weren’t linear and more like an unintended barrel roll loop. Using this device was able to set each aileron stab with multiple servos to synchronize with the other one in terms of neutral and endpoint travel. Likewise with the elevator stabs. It’s a great tool, good value for the money and takes a lot of visual guesswork out of calibrating control surfaces in RC aircraft… of any size.

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I love this tool. So much, I wanted to take time to tell others. You need this - it makes setting throws SOOOOO easy. It is light, sensitive, works like a CHARM.Get this - stop messing with rulers and making errors - be sure easily with this fun to use tool. :)

This is a good angle meter for smaller basic planes. It however isn't great for larger planes or Scale jets that have tapered elivaters etc - like the Mig 29 and F16. It works good for more basic rectangular control surfaces. Also its in degrees but most throws are given in RC manuals in milli meters so there's some conversion there. Will be good to eliminate the chance of the deadly first flight Flap or elivator - out of sync problem where one goes up higher than the opposite one and causes the plane to twist out of control. Just make sure the surfaces go up and down at the same angles.

This is one of the most important items to have for a model airplane RC flyer! It is easy to use and easy to see the actual travel measurement of your aileron, elevator and rudder control surfaces to make your model more stabile and increase your odds at having a successful first maiden flight after building or flying an RC plane the first time. Over-control is the most common mistake made for new RC operators and having your surfaces within the proper parameters especially on that first flight is one of the most important aspects. This device makes it EASY to do that and makes it a snap to check ALL your models and surfaces in a flash.

This throw meter works great, and is well made. Note, the measurement is in degrees. If your plane's instructions give you throws in mm, then you will need to convert to degrees using trigonometry to know the exact value to read on this gauge.

I thought they came in pairs because that is how I use them and the add does not say in pairs. So, if you use 2 all the time beware.

Every modeler for own these. The best tool to make sure control surfaces are on the money.