[MRCA] MX-991\U “Moonbeam” Flashlight Flicker

comcast kg2bz at comcast.net
Wed Jan 4 08:26:15 EST 2023


what parts are needed to do the led conversion?  jeff

Sent from my iPhone

> On Jan 4, 2023, at 7:56 AM, Christopher Bowne <aj1g at sbcglobal.net> wrote:
> 
> Yes doing the LED bulb conversion really
> makes them shine!  I’ve been using the ones sold at Home Depot, think they were about 10 bucks last time I bought some.  If you want a really bright portable LED light, the Ryobi 18V battery tool line’s  spotlight is hard to beat.  Seven small parabolic reflected LEDs focused on a single large parabolic backplane.  Wonder how far a pair of them used as Morse signal lamps could work!
> 
> Sent from my iPhone
> 
>> On Jan 4, 2023, at 06:09, Anthony Clare <n3kcb at usa.net> wrote:
>> 
>> I have had more trouble with the switch portion than anything else. Of course,
>> you cannot get into the switch. 
>> 
>> I like to spray a bunch of de-oxit around the switch so that it can flow into
>> the switch assembly and then exercise the switch a bit. That seems to take
>> care of any problems I have.
>> 
>> I also upgraded to led bulbs. They are super bright now.
>> 
>> ------ Original Message ------
>> Received: Tue, 03 Jan 2023 10:20:54 PM EST
>> From: Christopher Bowne <aj1g at sbcglobal.net>
>> To: mrca at mailman.qth.net
>> Subject: [MRCA] MX-991\U “Moonbeam” Flashlight Flicker
>> 
>> Just wondering if anyone on the reflector has any suggestions on curing the
>> more than annoying propensity of the classic military 90 degree angle head
>> flash lights to go into flicker mode, almost every one of them
>> I’ve ever had or currently have will often go intermittent.  I’ve taken
>> them apart, cleaned and adjusted the contact spring and spring tabs.  Most
>> will work ok for a little while but then go intermittent again, typically
>> while outside on a dark night.  Short of soldering in jumper wires and
>> connectors around the spring tab contacts, any other ideas?  It seems to me
>> that the weakest and moist troublesome link is the spring tab that contacts
>> the back side of the reflector bowl.
>> I tried a general Google this subject, didn’t find much, did find someone
>> ask the same question on what appeared to be a flashlight forum, but there
>> were no replies.
>> 
>> 73 de Chris AJ1G Stonington CT
>> 
>> 
>> 
>> Sent from my iPhone
>> ______________________________________________________________
>> MRCA mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/mrca
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:MRCA at mailman.q



More information about the MRCA mailing list