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RCUniverse Glossary





Total Words: 412
Words Found in Search: 8
Viewing Records: 1 - 8
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WordDefinition
Nacelle
A short streamlined housing commonly used to enclose a powerplant or cockpit. Also called a "Pod". On multi-engined aircraft, the entire structure is called a "Nacelle", the section which actually encloses the powerplant is a "Cowl" or "Cowling".


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Added by: Sky Sharkster
Needle Valve
A needle valve is a threaded screw with a finger grip that permits the user to regulate the flow of fuel into the carburetor of a motor. Many larger glow motors have two needle valves to control flow rates at different motor speeds (e.g. medium and high range valves).


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See also: Carburetor Added by: mkranitz
Newbie
A beginner in the hobby. Can be used as a humble self-description (I'm just a newbie...), affectionately (I just helped a newbie make his first flight!) or sarcastically (What are you, a newbie???).


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Added by: fliir
NiCd
The nickel-cadmium battery (commonly abbreviated NiCd) is a popular type of rechargeable battery using the metals nickel (Ni) and cadmium (Cd) as the active chemicals. They are sometimes used as a replacement for primary cells, such as heavy duty or alkaline, being available in many of the same sizes. Benefits of a NiCd as compared to lead based technologies are good service lifetimes and a low weight to high energy ratio.


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Added by: Rob40
NiMH
A nickel metal hydride battery, abbreviated NiMH, is a type of rechargeable battery similar to a nickel-cadmium (NiCd) battery but has a hydride absorbing alloy for the anode instead of cadmium, which is an environmental hazard; therefore, it is less detrimental to the environment.

Like in NiCd batteries, nickel is the cathode. A NiMH battery can have two to three times the capacity of an equivalent size NiCd and the memory effect is not as significant. However, compared to the lithium ion chemistry, the volumetric energy density is lower and self-discharge is higher.


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Added by: davori
Nitro Fuel
The fuel ran in all nitro engine applications can contain 5-50% nitro methane


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See also: Glow Ignitor | Glow Plug Added by: mayhem272
Noodle wire
Electrical hookup wire with a rubbery silicon insulation that keeps the wire very flexible, making it easier to stuff into small spaces, minimizing possible damage to model and electronics.


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Added by: AgCat1982
Nosegear (AKA Nose Wheel)
The front wheel on a tricycle-configured aircraft. The nosegear is usually steerable.


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Added by: tailskid
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