Latest Happenings
Featured Stories
DONATE to the SPIRITS -click here
Events Future and Past
The Whirly Birds Classic 2026 at Spirits of St. Louis R/C Flying Club
Join us June 11-14 for this amazing helicopter event at The Spirits of St Louis RC Flying Club’s Bob Gizzie Memorial Field.
Helpful Information
Minutes of Meetings
May 2026 Meeting Minutes
May 12th @ Bob Gizzie Field **Membership Update** We had three people join since last month’s meeting at the restaurant. Most of the people who were already here have signed up. We’re now up to **114 members**. One was a dual member from Lafayette, Indiana. **Upcoming Flying / Training
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
Upload Your Photos Here
Save images as .webp or .jpg. Set longest side between 1,000 and 1,200 pixels. This should result in a file size no more than 500kb.
Build and Repair
Barth Waco YMF pt14
About 11 months since starting this Barth 1:3 Waco project. It’s been an adventure! I expected to be further along but the winter months slowed me down as it’s too cold to spray dope. I need two more nice days to apply a final coat of Sig Tennessee Red. This
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
Tools and Interesting Things
Looking to learn more? We have a lot of tips and techniques articles for you to read, download and use.








































