Thanks for the tips, Dennis. You guys that know a lot are a great help
to us that don't know so much.

--
Jack "Rocket j Squirrel" Elliott
1984 Westfalia, auto trans,
Bend, Ore.

On 09/23/2012 02:23 PM, Dennis Haynes wrote:
> Get one of the cheap belt tension spring gauges and a straight edge to
> measure the deflection. Otherwise, rev the engine and watch the belt. If it
> oscillates violently it is still too loose.
> There are other belt alternatives. AFAIK the OEM belt is no longer available
> from the dealer.
>
> Dennis
>
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
> Rocket J Squirrel
> Sent: Sunday, September 23, 2012 2:37 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: Alternator continuous-duty rating?-V-belt drive rating.
>
> David Beierl asks, "Big heavy iron thing, right? V timing notch on the first
> land and round one on the second."
>
> Yep yep yep. That's the one.
>
> So what we got here then is the later style 1.9 set up for the 90A
> alternator with the three-groove crank pulley.
>
> Dennis writes, "The water boxer engine cannot reliably drive a larger
> alternator due to the drive belt set. Most belt drives are designed around
> the belt having a 180 degree wrap around the drive and driven pulleys. On
> the waterboxer the belt only skims around the drive pulley limiting the
> amount of friction available to drive the load. This is why belt tension is
> so important and from the factory a special high tensile strength belt was
> used."
>
> and that, "[...] can that belt squeal when it tries to charge those GC-2
> [batteries] you plan to install!"
>
> and Tom Hargrave writes to say that, "[...] the air cooled engines were also
> sensitive to belt quality. So sensitive that a cheap belt from your local
> McParts store would typically last 4 weeks."
>
> Presently running a 7430 Gates XL belt. Can I do better in terms of
> maximizing grippage and reducing slippage?
>
> --
> Jack "Rocket j Squirrel" Elliott
> 1984 Westfalia, auto trans,
> Bend, Ore.
>
> On 09/23/2012 11:06 AM, David Beierl wrote:
>> At 12:50 PM 9/23/2012, Rocket J Squirrel wrote:
>>> Who sells such things?
>>
>> Scott Daniel, junkyard, Samba.
>>
>>> Um, this engine has a crank pulley with three separate grooves, each
>>> smaller than the one in front of it. Is that what is being described
>>> here?
>>
>> Big heavy iron thing, right? V timing notch on the first land and
>> round one on the second. The rust on the unused grooves makes them look
> smaller.
>>
>> Yrs,
>> d
>