All good advice I'm sure but the swapping wires cure really works. It
sounds bizarre but it worked for me. What was really weird is that my
tacho had worked quite happily for some years before it started
flickering. Changing the tacho made no difference and only swapping
the wires cured the problem.
Mark
From: "Dave Simpson" <dave_simpson@londonweb.net>
Subject: Re: Rotax tacho problems/wanted
Date: Mon, 19 Aug 2002 22:19:57 +0100
> If the problem isn't cause by RF transmissions, then it's possibly a dicky
> pot inside the instrument.
>
> Take it apart, and you'll find a (not fabulous quality) pcb-mounted
> potentiometer in there responsible for keeping the calibration. Give it a
> stiff talking to, a squirt of WD 40 and a wiggle, then re-cal it.
>
> Alternatively send it back to Skydrive.
>
> Good luck
>
> Dave Simpson
>
> ----- Original Message -----
> From: Cripps, David <david.cripps@spsystems.com>
> Subject: Rotax tacho problems/wanted
>
>
> > My standard Rotax analogue tacho has just started playing up by sometimes
> flickering at rpms above about 4500 (giving the appearance of 'kicking' or
> jumping up and down by 100 or so rpm) and not giving steady readings (when
> the engine is running steady as a rock). Has anyone else experienced this
> and what did you do to fix it? I have tried to find loose connections but
> there don't appear to be any.
> >
> > If it needs changing out, does anyone have a spare basic 912/912S/914
> analogue tacho that they don't need, perhaps because you've upgraded to an
> EFIS type system?
> >
> > Any help gratefully received.
> >
> > David Cripps
> > GBWJH
> >
> >
> >
> ****************************************************************************
> ******************
> > All sales of goods are subject to the terms and conditions of sale (the
> Conditions)
> > of SP Systems (the Company) which are available on request from the
> Company
> > or may be viewed on our Website (http://www.spsystems.com).
> >
> > Any advice given by the Company in connection with the sale of goods is
> given
> > in good faith but the company only warrants that advice in writing is
> given with
> > reasonable skill and care. All advice is otherwise given subject to the
> Conditions.
> >
> > The contents of this message and any attachments are confidential and
> > are intended solely for the attention and use of the addressee only.
> > Information contained in this message may be subject to legal,
> > professional or other privilege or may otherwise be protected by other
> > legal rules. This message should not be copied or forwarded to any other
> > person without the express permission of the sender. If you are not the
> > intended recipient you are not authorised to disclose, copy, distribute
> > or retain this message or any part of it.
> >
> > [Redirected via the newforum list]
> >
>
>
|