"Jim F." <[EMAIL PROTECTED]> made an utterance to the drakelist gang ---------------------------------------------------------------------- I bought a Drake W-4 at a hamfest with a cracked clear cover. It has a Jewell meter.
My Oak Hills Research QRP Wattmeter has the same size Jewell meter and the covers are interchangeable. At another hamfest I found a few Jewell meters which covers fit the W-4 except that the screw does not line up with the meter adjustment. I have to take the cover off to zero the meter. It never occurred to me to swap the guts... Hmmmmm...... Do you know the current of the Drake meter ? The Jewell meters are 50 Ua. Jim / W1FMR --- Jim Shorney <[EMAIL PROTECTED]> wrote: > > "Jim Shorney" <[EMAIL PROTECTED]> made an > utterance to the drakelist gang > ---------------------------------------------------------------------- > > It works! The guts transfered over perfectly! All > the internal bosses, > grooves, and holes are identical between the two > meter movements. I added a > 2K 10-turn trimpot across the meter terminals as a > variable shunt and > calibrated it to my AN/URM-43B, it's monitoring my > APRS digi as I type this. > > FWIW, this meter has "Honeywell - Made in U.S.A" > embossed on the back, the > Drake has "Jewel - Made in U.S.A." in the same spot > with the same typeface. > The front face of the Motorola meter has Honeywell > Model MS24T printed on it, > and what I believe to be Motorola part number > 72D82352F01. The only downside > that I can see is the pointer is a bit wider at the > end than the original > Drake, so you can't resolve the reading down to the > picowatt.... > > The seller has another one listed right now on the > e-place, if anyone needs a > meter movement for a W4/WV4. Email me off-list and > I'll give you his info. No > affiliation, just a happy camper. > > 73 > > -Jim > > > On Fri, 19 Oct 2007 23:03:22 -0500 (CDT), Jim > Shorney wrote: > > >I received the Motorola 20uA panel meter today that > I purchased through that > >e-place. It's an almost exact physical match to > the meter movement in the > >WV-4! It appears to have been made by the same > vendor. The differences: > > > >Black pointer instead of red > >20uA, vs. 200 uA (easily dealt with using Ohm's > Law...) > >Gray highlighting instead of black on the plastic > front cover > >Four-point mounting instead of three - the Drake > movement has four empty > >holes in the case where the mounting bolts are in > the Motorola, and the > >Motorola has mold marks where the three mounting > bolts are in the Drake > >movement. > > > >The taut-band movement appears to be the same > design, as do the case parts; > >the curvature of the front plastic cover is even > identical to that of the > >Drake meter movement. I've already completely > disassembled the bad Drake > >meter movement, and the guts should transfer over > easily from the > >Motorola. Looks like it will work fine. > > > >The seller says that he has more of these, if > anyone else needs a replacement > >meter movement for a W-4/WV-4. > > > >73 > > > >-Jim > > > > > -- > Jim Shorney -->.<--Put complaints in this box > jshorney (at) inebraska.com > Ham Radio NU0C > Lincoln, NE, USA > EN10ps > http://incolor.inetnebr.com/jshorney/ > > > ---------------------------------------------------------------------- > Submissions: [EMAIL PROTECTED] > Unsubscribe: [EMAIL PROTECTED] - > unsubscribe drakelist in body > Hopelessly Lost: [EMAIL PROTECTED] - help in > body of message > Zerobeat Web Page: www.zerobeat.net - sponsored by > www.tlchost.net > ---------------------------------------------------------------------- > ---------------------------------------------------------------------- Submissions: [EMAIL PROTECTED] Unsubscribe: [EMAIL PROTECTED] - unsubscribe drakelist in body Hopelessly Lost: [EMAIL PROTECTED] - help in body of message Zerobeat Web Page: www.zerobeat.net - sponsored by www.tlchost.net ----------------------------------------------------------------------
