John Smith I wrote:
Thomas & Karen Mitchell wrote:

...

So: I'll stay at 25 when in the car.

-- KG7U
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Tom Mitchell, Port Angeles, Washington, USA
http://www.olympus.net/personal/kg7u
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Every engineer, worth his pay, which I know, allow at least a 20% excess
on ratings.

50 X 20% = 10 watts

50 + 10 = 60 watts

I'd run the 65 and examine the glass mount now and then. You'll see if
damage begins and switch lower power.

Warm regards,
JS

Obviously the engineers who established the maximum power
specification would not advocate using greater than 50 watts.

ac6xg