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-   -   Us 35 (https://www.rcuniverse.com/forum/gas-engines-142/730661-us-35-a.html)

3 r/c nuts 04-29-2003 02:04 AM

Us 35
 
I have a Rascal 110 with a magnum 120 4c , it flies OK, but seems very under-powered. My LHS says the us 35 or 41 won't give me any better performance. I also have a pound of lead in the nose that i want to get rid of. What do you think?

Bax 04-29-2003 01:58 PM

Us 35
 
We're not familiar with the ouput of the Magnum engines, but a 1.20-size engine is 20cc of displacement. The US Engines are 35 cc and 41 cc. They will turn a much larger propeller and are also two-stroke instead of four-stroke engines, so they should put out a bit more power, but at lower RPM.

As a comparison, the O.S. Max FS-1209 Surpass w/o pump is rated at 1.9 Hp, while the US 35 cc is rated at 2.4 Hp, and the US 41 is rated at 3.0 Hp. Remember they are much larger engines in displacement. They also weigh about 4 pounds each, as opposed to about 2 pounds (w/muffler) for the typical 4-stroke 1.20.


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