Featured Stories
Events Future and Past
“Indoor Fun Fly I & II 2026” 2 nights, 2 locations
Break out your tiny planes and helis! We have the much anticipated indoor dates set (finally)!! Getting access to a large indoor space in the winter time has been challenging. These spaces are in high demand and many school districts don’t even offer bookings outside school sponsored activities for their
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Helpful Information
Minutes of Meetings
March Meeting Minutes
Spirits RC Flying Club Meeting March 10th Meeting called to order @ 7:00pm with 23 members present April meetings will be @ B.Halls Family Grill O’Fallon, MO / May-Oct meetings @ Bob Gizzie Field B. Halls deal is we eat their food, drink their beer, generously tip their staff and
Gas Engines
Waco YMF-5 Part 11 UMS 210cc 5 cyl radial
This beast is destined for the firewall of the 1:3 Scale Barth Waco which is nearing completion. Naturally this engine is overkill but, hey, why not? Spent last weekend breaking in the motor at the Field. One gallon of gas, run rich, and no more than 3/4 throttle. With frequent
Build and Repair
Waco YMF Part 13
Yeah, yeah, yeah, it’ has been too long since I posted in the build series. Truth is the work has been continually progressing and focused on the finer bits of finishing the Waco. Did not feel there was anything really exciting to show you. “Look Ma, rivets! Real ones and
Waco YMF-5 Part 12
Admittedly, it’s been too long since I posted an update. Partly because life got in the way. Second, progress was slow with wiring and the like (not very exciting work to photograph), third, I got stuck in a few areas and had to do some re-work. The N struts were
Waco YMF-5 Part 11 UMS 210cc 5 cyl radial
This beast is destined for the firewall of the 1:3 Scale Barth Waco which is nearing completion. Naturally this engine is overkill but, hey, why not? Spent last weekend breaking in the motor at the Field. One gallon of gas, run rich, and no more than 3/4 throttle. With frequent
Waco YMF-5 Part 10
It has been too long since my last Build post but I have not been snoozing in the cockpit. Seems the work moved from large components, like wings and surfaces, which are easier to show off…to a million-and-one small things, which are not photogenic. Covering remains for the tail control
Tools and Interesting Things
Looking to learn more? We have a lot of tips and techniques articles for you to read, download and use.









































