Water Brakes - Precision DynoTech https://www.precisiondynotech.com Where Precision Meets Power Tue, 21 Oct 2025 04:42:04 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 Micro Water Brake WB-5 https://www.precisiondynotech.com/product/micro-water-brake-wb-5/ Mon, 03 Mar 2025 08:14:04 +0000 https://www.precisiondynotech.com/?post_type=product&p=331 Our WB-5 water brake is perfect for small engines, such as kart engine dynos testing Predator engines or similar!  6" precision machined aluminum rotor, 9000RPM rating.  High-quality PTFE shaft seals.

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]]> Our WB-5 water brake is our smallest offered water brake, with a rotor measuring 5 inches in diameter, and an outer diameter of 6 inches.  This brake is great for many types of karting engines, with a max rating of 9000 RPM.  All water brakes are made to order, so please allow 3 weeks for production.  The brake has a 1.0″ diameter shaft, with a 1/4″ keyway on the input side.

Features:

  • 1.0″ main shaft
  • 1/4″ keyway
  • 9000 RPM max (if higher is needed, contact us for upgraded bearings)
  • 6.0″ outer diameter
  • See pictures for maximum torque curve vs. RPM

Included items:

  • 6AN plumbing fittings on the inlet and outlet.
  • 10 tooth tone wheel for hall effect sensor

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]]> Water Brake Absorber | 10″ Rotor https://www.precisiondynotech.com/product/water-brake-absorber-wb10/ Sun, 12 Nov 2023 03:52:43 +0000 https://www.precisiondynotech.com/?post_type=product&p=55 Our 12" water brake features a 10" rotor, capable of absorbing up to 800HP at 6000 rpm

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]]> Water brakes are the heart of many dynamometers.  They convert the energy produced by an engine into hea\t, which is absorbed by water pumped through the brake.

This water brake has a 12″ diameter housing, and a 10″ dual-sided rotor.  It is rated up to 10,000 RPM.  Torque capacity begins at 200 lb-ft at 2000 RPM.

  • 1-1/4″ Shaft
  • 1/4″ keyway (different sizes available, or splining available for an extra charge)
  • Industrial grade ceramic pump seals
  • Requires a customer supplied plumbing system, capable of supplying at least 15 gallons per minute, per 100HP
  • Easy to disassemble for maintenance when required.

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