[Heathkit] SB-102 drive belts

[Edward B Richards]

Any one wanting the drive belts for the driver/pre selector can send me a
SASE and I will send you a couple gratis. I had to buy 100 to get 2. I
have given away or used over half of them.

Ed Richards
195 Tierra Rejada Rd
Simi Valley, CA 93065
 
n Wed, 13 Jan 2010 06:39:15 -0500 "Tom Chesek" <tchesek at epix.net> writes:
> On two occasions I purchased belts on eBay. I don't remember who the 
> sellers 
> were but there is one right now that has the 3 belts for $2.95 and 
> that 
> includes shipping (postage).  Just do a search on heathkit belts. 
> You can 
> probably buy them a lot cheaper yourself but the hassle might not be 
> worth 
> it let alone the cost of gas to get to and from the hardware store.
> 
> Tom K3TVC
> 
> 
> 
> --------------------------------------------------
> From: "Drew P." <drewrailleur807 at yahoo.com>
> Sent: Wednesday, January 13, 2010 1:20 AM
> To: <heathkit at mailman.qth.net>
> Subject: Re: [Heathkit] SB-102 drive belts
> 
> >
> > Jim Shorney wrote:
> >
> > "I reworked my HW-101 years ago to use string because I got tired 
> of belt
> > slippage. I would stick with the dial cord, it's a better solution 
> IMO."
> >
> > Paul Kraemer, who originally asked the question, seemed to 
> indicate that 
> > the preselector/driver tune control on his unit tends to bind at 
> one end 
> > of the travel.  If the binding is not in the tuning capacitors, 
> then I 
> > would suspect that the stringing job was done poorly or that there 
> is 
> > excessive runout in one or more of the pulleys.  Removal of the 
> dial cord 
> > and rotating each shaft in turn would soon confirm this.
> >
> > I don't know what size o-ring to use, but a piece of string 
> wrapped in 
> > belt fashion around the pulleys then cut to length could be used 
> as an 
> > o-ring selection aid. It is said that the plumbing section of 
> almost any 
> > hardware store would have suitable o-rings.
> >
> > I don't care for the rubber o-ring belts as used on my SB-101.  
> They seem 
> > to introduce a bit of backlash which makes tuning on 10 meters 
> much more 
> > touchy.  It could be that the belts have hardened with age and 
> hence have 
> > developed a "memory".  One of these days I will replace them with 
> dial 
> > cord.
> >
> > Drew
> >
> >
> >
> >
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