Re: [Z_Scale] Re: AZL SD70M sounds like a grinder
- The other option is to trade with someone that has one of the first run
SD70. The first runs quieter but slower. If you live in San Francisco,
Robert Ray may trade with you. He prefer the faster engine. All you doing
is swapping chassis and not the shell.
----- Original Message -----
From: "pinekirk" <pinekirk@...>
Sent: Thursday, January 24, 2008 7:31 PM
Subject: [Z_Scale] Re: AZL SD70M sounds like a grinder
> one thing you might check is to slip the shell off and make sure the
> plastic retainers are in place over both trucks. one of mine was
> missing and under load it made the gears buzz. otherwise i think the
> extra "slop" in the worm gear retainers is the problem. that's what
> i've read, anyway.
> dave f.
> --- In firstname.lastname@example.org, "Dave Stubbs" <dstubbs@...> wrote:
>> Hi guys, I just got my UP Flag unit and it looks great but sounds like
>> the gears are grinding. I've read on the boards this is common. I did
>> search but didn't find anything about this but I know I've read about
>> it. Any tips on how to quite her down? Also I understand the motor is
>> 8v max, can I install a diode or 2 on the circut board to reduce
>> voltage to the motor ?
> Z-scale: minimum siZe, MAXIMUM enjoyment!
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