[TenTec] Lubricating Orion II Heat Sink Fan

Kim Elmore cw_de_n5op at sbcglobal.net
Tue Jul 23 22:22:54 EDT 2019

I was wrong *again!* I got an NMB 3110SB-04W-B20-E00 an 80 mm x 25 mm x 
80 mm fan. Mouser part number 472-3110SB04WB20E00. $7.01. Apologies for 
the confusion.

Kim N5OP

On 7/21/2019 3:00 PM, Kim Elmore wrote:
> A few days back, I listed a suitable replacement fan for my squealing 
> Orion II heat sink fan. I said that the replacement fan was a 60 x 25 
> x 60 mm unit. I was wrong: it's a70 x 25 x 70 mm unit. I bought mine 
> from Mouser (because they're close to me) for $25 shipped, though you 
> might find it cheaper elsewhere. I got a ADDA AD0712MB-A76GL-LF 3800 
> RPM ball bearing unit as it was quieter than the other one Mouser listed.
> Kin N5OP

Kim Elmore, Ph.D. (Adj. Assoc. Prof., OU School of Meteorology, CCM, PP 
SEL/MEL/Glider, N5OP, 2nd Class Radiotelegraph, GROL)

/"In theory there is no difference between theory and practice. But, in 
practice, there is." //??? Attributed to many people; it???s so true that it 
doesn???t matter who said it./

More information about the TenTec mailing list