if an overheat alarm was an option on small ob's........?

[nwcove]

im pondering installing an overheat buzzer on a few of my 50's era rbm's( more for fun than anything!)......anyone have an educated guess what temp ( on the head) would be considered hot enough for a warning buzzer to sound???

 

[HighTrim]

Re: if an overheat alarm was an option on small ob's........?

WICO thought the same thing as you. This has been listed for a while now, if it was a bit cheaper Id buy it for the novelty.

Vintage Antique Marine Outboard Engine Boat Temp Alarm Wico 1950 | eBay

 

[boobie]

Re: if an overheat alarm was an option on small ob's........?

Take it out and run it and check it with a temp gun. Temp sensors go off anywhere from 180* to 212*. The trick is to have a B+ source to power the horn.

 

[nwcove]

Re: if an overheat alarm was an option on small ob's........?

i was more thinking a normally open snap disk thermostat held against the head between the plugs.....just a few bucks and available in many heat ranges, a 3v buzzer and battery case for two aa's from radio shack (maybe a test button) ? shouldnt cost any more than $15 installed. the main thing would be to keep the battery connections from corroding....maybe a dab od dialectic grease?

 

[nwcove]

Re: if an overheat alarm was an option on small ob's........?

WICO thought the same thing as you. This has been listed for a while now, if it was a bit cheaper Id buy it for the novelty.

Vintage Antique Marine Outboard Engine Boat Temp Alarm Wico 1950 | eBay

lol...they beat me to it before i was born!! so much for that patent!!! i do think it would be a nice little novelty and a bit of piece of mind for the old motors.