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electric vs. glow

Old 07-19-2011, 08:35 AM
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Default electric vs. glow

if a plane has the name 25e, does that mean a 25 glow will fly it? Does power 25 electric compare with .25 glow?
Old 07-19-2011, 08:43 AM
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Default RE: electric vs. glow

Normally yes.

However remember that electric motors are frequently ( but not always ) undersized compared to their glow/gas equivalents.

Say you are looking at a .46e plane with a specified motor. The manufacturer may spec or provide a motor that produces 700 watts.

Now-a-days most .46 glow engines produce well over 1.5bHp, though some are rated higher, these ratings may not be realistic so 1.5hp is a good compromise.

An equivalent to that would require a 1118 watt motor ( 745w/hp * 1.5 )...

Vendors rationalize this by stating that the difference is due to "weight savings" ( right... yeah ).

It depends upon the vendor though so your results can vary.

You may find your .25 glow engine to be more or less powerful depending upon how you prop it too.

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