- #1

ksukhin

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I began designing a clay disk launcher for when I go to a gun range and I want it to be something like this:

I am having trouble sizing an electric motor since I don't have much exposure to E.Eng.

The clay pigeon launcher is about 10cm by 10cm and I calculated my exit speed to be 20-35m/s if it's going in a projectile motion (min X distance = 30m & min Y distance = 10m)

RPM =

RPM =

If I plan on using a 1:10 ratio of clay pigeon to driver I'd need a 1m dia. wheel going at 382-668.5RPM. This is where I run into issues...

I am having trouble sizing an electric motor since I don't have much exposure to E.Eng.

The clay pigeon launcher is about 10cm by 10cm and I calculated my exit speed to be 20-35m/s if it's going in a projectile motion (min X distance = 30m & min Y distance = 10m)

RPM =

**20 m/s***(60s/min) * (rev / ∏(.1m)) = 3820 RPMRPM =

**35 m/s***(60s/min) * (rev / ∏(.1m)) = 6685 RPMIf I plan on using a 1:10 ratio of clay pigeon to driver I'd need a 1m dia. wheel going at 382-668.5RPM. This is where I run into issues...

**1) Is that possible with an electric motor?****2) How do I account for rolling friction?****3) How do I calculate the max RPM for the clay disk before it shatters?**
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