ERCU
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ABout us

While ERCU (officially known as Electric Radio Controlled Unlimiteds) celebrates its 20th anniversary in 2023, the club is apexing a major resurgence with 152 boats registered to members in the club at the beginning of the season. Founded in the Seattle area by a dedicated group of individuals who enjoy building and racing models of some of the most popular -- and not-so-well-known -- unlimited hydroplanes, the club is known as one of the premier fast electric scale unlimited clubs in the world.

Born as 1/10 scale replicas in vintage and modern classes, the club has grown to include 1/10 and 1/7 scale divisions with vintage, classic and modern classes. The replica hydroplanes are powered by electric motors and rechargeable lithium polymer batteries, similar to the electric vehicle technology of today. Boats in the 1/10 scale division are capable of speeds up to 50 m.p.h., while 1/7 scale division boats can hit speeds approaching 70 m.p.h. -- with radio control and a driver who is land-based!

While the club was originally modeled after Radio Controlled Unlimiteds (RCU) in 2003 at its founding, the younger club has evolved and developed its own traditions and policies over the years. Even with that evolution, there are still strong similarities to RCU -- primarily driven by a passion for scale appearance and having a lot of fun racing our boats.


If you're not a member, we welcome you to come pay us a visit and see a race. You never know what might learn, and what fun you might have.

Let's. Go. Racing!

latest news

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December Winter Meeting set for Saturday, Dec. 13
The first ERCU Winter Meeting of the 2024-25 season is set for Wednesday, Dec. 11 at 6:30 p.m. via Zoom.  [more]
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ERCU Celebrates Great 2025 Season with Luncheon in Puyallup
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Congratulations to ERCU's 2025 Season Champions
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SOLD: 1/10 Scale 2005 Jerry Rise presents Miss Thriftway
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Nominations for 2025 End of Season Awards now open

ERCU videos

ERCU 2025 sponsors

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Official Coffee Partner of ERCU
ERCU Driver of the Year Trophy Partner
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Official Glass Partner of ERCU
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Official Portable Restroom Partner of ERCU
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Resources

Membership/Registration
Intent to Build Form
Hull Inspection Form
Master Hull Roster (1/10 scale)
For Sale/Wanted

Schedule

Race Schedule
Results (prior to 2025)
Driver of Year Award
ERCU Triple Crown

Rules

Online Rulebook
Print Rule Books

Boats

2025 Registration Roster
1/10 scale vintage
1/7 scale vintage
1/10 scale classic
1/7 scale classic
1/10 scale modern
1/7 scale modern

Contact

About ERCU
Board of Directors
Contact form
Credits
Copyright © 2025 Electric Radio Controlled Unlimiteds
  • Home
  • Schedule
    • Results
  • News
  • Boats
    • 1/10 Scale Vintage
    • 1/10 Scale Classic
    • 1/10 Scale Modern
    • 1/7 Scale Vintage
    • 1/7 Scale Classic
    • 1/7 Scale Modern
  • Stats
  • 2025 Rules
  • Photos
  • Resources
    • About/Contact Us
    • Chair Chatter
    • Registration
    • Winter Meetings
    • ERCU Documents
    • Club History >
      • Blogspot
      • Newsletters
  • For Sale
  • Sponsorship