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Tekno BLOK 21bM .21 Competition Nitro Engine | CompetitionX

Tekno BLOK 21bM .21 Competition Nitro Engine | CompetitionX

Something I haven’t reported on in awhile – a new nitro engine. This one is called the BLOK 21bM, a .21-sized engine from Tekno RC.

This engine is designed for use with 1/8 scale buggies and truggies and provides a smooth, linear powerband with excellent fuel mileage. It features a long-stroke piston and sleeve design, 21J carb with 6.0 and 6.5mm venturis, DLC-coated silicone-filled crank and a beautiful low-profile cooling head that is laser-etched with the BLOK logo.

Here are some of the Specs on the BLOK engine:

• Displacement: 3.49 cc/ 0.213
• Bore: 16.27 mm / 0.641 in
• Stroke: 16.8 mm / 0.661 in
• Output: 2.55 ps / 2.59 hp @33,000 r.p.m
• Practical R.P.M: 4,000~40,000 r.p.m
• Weight: 362 g / 12.77 oz.

TKR1712 Tekno BLOK 21bM .21 Competition Nitro Engine

For more information, please visit:

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About Tony Phalen

Tony Phalen - As an avid RC enthusiast, Tony has been building, bashing and racing RC Cars for over 25 years. He has raced everything from 1:18th scale trucks to 1:5 scale motorcycles and everything in-between. He's also worked on both sides of the industry fence; working at and with many major manufacturers (as well as being a sponsored driver) to working for a high-profile industry magazine. During this time he has learned many tricks, tips and techniques and has transferred that knowledge to CompetitionX - the most informative RC website on the internet!

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