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Re: Rheostat
To: crtech@crtech.org
Subject: Re: Rheostat
From: Terry Cowan <tcowan@knlr.com>
Date: Tue, 17 Apr 2018 09:43:20 -0700
Content-language: en-US
In-reply-to: <CALhX5z5rzd0w_1SL4MqrcjXVvLtiLVvF-WUms63z1T9mEg88aA@mail.gmail.com>
References: <CALhX5z5rzd0w_1SL4MqrcjXVvLtiLVvF-WUms63z1T9mEg88aA@mail.gmail.com>
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0
Several (or more) diodes in series will drop the voltage which should slow the fan speed.
Terry Cowan

On 04/17/18 09:21, Tim Roberts wrote:
The fan in our STL transmitter went out a couple years back. When we received the replacement fan ($182) we discovered that whatever controls the fan speed had gone out as well and to fix it we'd have to send it back to the manufacturer. Rather than deal with that I pulled the new fan as a backup for our STL receiver and we put an $18 fan I found on DigiKey in it( https://www.digikey.com/products/en?keywords=603-1523-ND ). Since that time I've tried to get the guy that helps us with engineering to put some type of control on it such as a rheostat to keep it from running full blast constantly. Needless to say it's been low on his priority list and the fan finally burned out last night. Could someone give me a bit of direction in what I need to get to control this thing? Our engineer guy said quite a while back he had found something for about $20 that would do the trick, but he never gave me the info to order it. Right now he's in Tennesee for a few days. I appreciate any and all help on this. We can get it taken care of without him, but just need help on what exactly we need...

Tim Roberts
Operations Director
89.5 KMOC Texoma

Follow-Ups: RE: Rheostat
(Mike Price <mprice@srnradio.com>, 18 Apr 2018 14:52:05 -0000)
References: Rheostat
(Tim Roberts <tim@kmocfm.com>, 17 Apr 2018 16:21:12 -0000)
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