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Re: Stapleton Varipulse 851

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  • Garth
    Hi Ben That is the artistic work or my wife. cheerz Garth
    Message 1 of 6 , Nov 23, 2009
      Hi Ben

      That is the artistic work or my wife.

      cheerz Garth

      --- In z_scale@yahoogroups.com, "Ben" <animek@...> wrote:
      >
      > Cool the little Christmas train!
      >
      > Ben
      >
      > --- In z_scale@yahoogroups.com, "Garth" <garth.a.hamilton@> wrote:
      > >
      > > Two photos added to Garth's stuff and they are the first two in the folder.
      > >
      > > cheerz Garth
      > >
      > > --- In z_scale@yahoogroups.com, "Ben" <animek@> wrote:
      > > >
      > > > yes! yes! pictures, pictures....
      > > >
      > > > Ben
      > > >
      > > > --- In z_scale@yahoogroups.com, "Garth" <garth.a.hamilton@> wrote:
      > > > >
      > > > > Hi Just back from two day show and we were the only Z-scale there so we ran my wife's Christmas train and ran a pair of CP GP35s and 17 cars for seven hours each day and 50% throttle and the engines never got worm and the hand throttle never got worm. So I figure this is pretty good indication of the ability of this throttle.
      > > > >
      > > > > Some pictures to follow later.
      > > > >
      > > > > Cheerz Garth
      > > > >
      > > > > --- In z_scale@yahoogroups.com, "Garth" <garth.a.hamilton@> wrote:
      > > > > >
      > > > > > Since Ken is local to me I decided to follow up on a March Posting regarding this throttle. I was able to make a personal visit and pick it up and added a socket for a wall transformer to the box instead of tying it into a power pack with 12VAC output. I used a 9VAC wall transformer with a rating of 1 amp. As stated in the March post it can make an F7 crawl as well as the Geeps. I had one GP35 which I timed and it took 8 minutes to around a 330mm x 770mm oval of track thats about 22 seconds to cover 110mm of track. Thats 2.2 meters of track or 24 seconds to cover a single 110mm piece of straight track. The engines run quiet but if you get your ear down to the engine you can hear a very light growl at this speed. Two laps and no heating up of the engine. I tried 3 F7's and ran out of current or amps as the engines slowed down when I added the third unit to the track and it did not matter which one I took off and put back on the same drop in speed was observed to 1.5 amp power supply would probably fix this. As I recall 3 F7's draw just over 1 amp. However 6 Geeps posed no problems or speed reduction and as I did not have any others could not add more. Acceleration was smooth and with the variable momentum I could set it high enough that it takes a full 2 loops of the track to come to a full stop from full throttle which is limited on the Z-scale throttle to 8vdc max. Ken says that you should use a 12VAC supply at 1.5 amps for best results and the max input is 18VAC at 1.5amps.
      > > > > > I used the 9VAC wall transformer as that was what I found in my recycle box from computer peripherals that had been scrapped. Top speed on F7, Geeps and SD40-2 was just about the max I would want for realistic operations. Might not be fast enough for the speed demons though. I have reset the momentum to allow a stop in 1/2 a loop or 1100mm. Takes about 1/2 that time to reach full speed on the start. The direction switch has an off position in addition to East and West. Easy one hand operation left or right for me. Because of the AC input requirement to supply frequency for the PWM circuit this unit can not be run from a battery like the Ztek or Joeger units. The PWM circuit is putting out 120 hz or twice the line frequency. Saw no cogging on start up, either the engine is running or it is not. Headlights come on just before the engine moves on the Geeps and SD40-2 and quite a bit before the engine moves on the F7 with Richmond Controls Headlight module.
      > > > > >
      > > > > > I am headed for a show in Whitby ON this weekend and will try it out there running my Z-scale and Nn3 stuff. Will let you know what I think after a real using it at a show. I expect I will be the only one running Z at that show.
      > > > > >
      > > > > > cheerz Garth
      > > > > >
      > > > >
      > > >
      > >
      >
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