Re: Hello from Boston
Posted: Thu Aug 18, 2016 3:04 pm
Oh, how I know that feeling.rusbac wrote:Good idea - Added to my list of things to do this weekend. Every time I look under there I learn something new!
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Hello from Boston
https://www.forum.cessna170.org/forums/viewtopic.php?t=12750
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Re: Hello from Boston
Posted: Mon Sep 12, 2016 3:37 pm
As the Mythbusters would say: "Well there's your problem..."
New rheostat on the way. In the mean time, we took a trip down the Hudson River corridor!
New rheostat on the way. In the mean time, we took a trip down the Hudson River corridor!
Re: Hello from Boston
Posted: Mon Sep 12, 2016 4:02 pm
Kind of lucky the rheostat even turned on and off.
Re: Hello from Boston
Posted: Mon Sep 12, 2016 4:04 pm
BTW a correct rheostat for this application is not likely to be closed back as that one was. Your burnt up rheostat was probably to small which is why you found it in the condition you did. Your replacement will likely have an open element.
Re: Hello from Boston
Posted: Mon Sep 12, 2016 4:23 pm
How expensive is a new one?
I wonder if you could get that one re-wound.
I wonder if you could get that one re-wound.
Re: Hello from Boston
Posted: Mon Sep 12, 2016 4:27 pm
It had no markings on it so I don't know the specs, but it does look almost identical to this one:
http://cessna170.org/forums/viewtopic.php?f=24&t=5399
http://cessna170.org/forums/viewtopic.php?f=24&t=5399
Re: Hello from Boston
Posted: Mon Sep 12, 2016 4:39 pm
After we opened it and poked it, the insides sort of just crumbed to dust. A new one was only $35. I went with a 25W, 100 Ohm, open backed version that was recommended elsewhere on the forum. We'll see how that goes
bagarre wrote:How expensive is a new one?
I wonder if you could get that one re-wound.
Re: Hello from Boston
Posted: Mon Sep 12, 2016 4:48 pm
This is what they look like:
But looks are not important. What is important is that the rheostat is sized correctly for the load in the circuit it is installed in. The number of and type of bulbs in the circuit determine the load. This is why you don't want to change bulbs, add or subtract bulbs willy nilly to this circuit.
But looks are not important. What is important is that the rheostat is sized correctly for the load in the circuit it is installed in. The number of and type of bulbs in the circuit determine the load. This is why you don't want to change bulbs, add or subtract bulbs willy nilly to this circuit.
Re: Hello from Boston
Posted: Mon Sep 12, 2016 4:51 pm
That trip down the Hudson looks great and you could see where Sully put the plane.
Re: Hello from Boston
Posted: Mon Sep 12, 2016 6:53 pm
Doubtful it will work well, Christine. I got one with those specs at first and it only acted as a switch, sort of.rusbac wrote:After we opened it and poked it, the insides sort of just crumbed to dust. A new one was only $35. I went with a 25W, 100 Ohm, open backed version that was recommended elsewhere on the forum. We'll see how that goes
bagarre wrote:How expensive is a new one?
I wonder if you could get that one re-wound.
I ended up getting this one from Aircraft Spruce.
http://m.aircraftspruce.com/catalog/elp ... eostat.php
I'm pretty sure it's the 0-15ohm version. I can check later today.