My thanks to Michael Stockhill, Rob Thompson and Ian Williams etal for the information and the enthusiasm for the Dimona and its aging aches and pains. I look forward to your continuing support of #3660. Kurt
On Fri, Aug 27, 2021 at 1:49 AM Rob Thompson <[email protected]> wrote: > > You should be able to get an hour meter which is turned on by the Bosch W > (tacho) terminal on the alternator. > > Alternatively, if your alternator doesn't have a W terminal what about a > vibration sensor switch? They are cheap... Check out HERE > <https://au.rs-online.com/web/p/vibration-sensors/7948833/?cm_mmc=AU-PLA-DS3A-_-google-_-PLA_AU_EN_Automation_%26_Control_Gear_Whoop-_-(AU:Whoop!)+Vibration+Sensors-_-PRODUCT_GROUP&matchtype=&pla-338994017905&gclid=CjwKCAjwmqKJBhAWEiwAMvGt6OeL1dszK_62zvwndrw-XXX0LuA0GxYl-LMWqTAeauCoV-b2zs8S4RoC9U4QAvD_BwE&gclsrc=aw.ds> > Connect one in series with an airswitch on the ASI line. > > I would be a bit reluctant to run extra oil lines. The L2000 oil pressure > crankcase screw thread is notorious for developing cracks and stripping > with just the tiniest bit over overtightening. I would not let anyone > remove the pressure sender and screw in other fittings like T pieces unless > absolutely necessary and you completely trust them with the life of your > engine!. > > regards > Rob > > Rob Thompson > 0429 493 828 > > > > On Fri, Aug 27, 2021 at 1:25 PM Michael Stockhill <[email protected]> > wrote: > >> I would explore a tee fitting for the existing oil pressure sender so you >> could add an oil pressure switch (most of these close with four pounds of >> pressure) wired to a Hobbs meter. I would sign it off as a minor >> alteration, especially since it is a non-certified engine. >> >> Might be fun to learn how the newer flight computers used in self >> launchers differentiate running and non running time for recordings >> flights. >> >> >> On Thu, Aug 26, 2021, 6:30 PM Kurt Redinbaugh <[email protected]> >> wrote: >> >>> Thank you for the information, Michael. >>> I had sent the tacho to them and they returned it with a message that >>> they couldn't fix it but to try the shop in Virginia Beach...who also said >>> sorry. >>> So I think I'm facing either using a stopwatch and keeping the engine >>> time manually or going with the avionics shop at Minden who wants $750 to >>> install an hour meter that works off the oil pressure. Yikes! >>> The question I have is that since the pilot handbook says an engine hour >>> meter is required in the minimum equipment list can I use a stopwatch? >>> Still only 1 1/2 mile vis on a good day here so still ground bound. >>> k >>> >>> On Mon, Aug 23, 2021 at 7:09 PM Michael Stockhill <[email protected]> >>> wrote: >>> >>>> Kurt, et al. >>>> >>>> I had my VDO tach overhauled and repaired in 2015 by: >>>> Palo Alto Speedometer, Inc. >>>> 718 Emerson Street >>>> Palo Alto, CA 94301-2410 >>>> (650) 323-0243 >>>> www.paspeedo.com >>>> >>>> At the time, I requested them to keep the hour meter time, and the >>>> instrument face did not need refinishing, which they also provide if >>>> desired. >>>> >>>> Suggest a web search to see if they are current. >>>> >>>> Michael >>>> >>>> >>>> >>>> On Mon, Aug 23, 2021 at 11:08 AM Kurt Redinbaugh <[email protected]> >>>> wrote: >>>> >>>>> All >>>>> The hour meter built into the tach on my ship #3660 has quit working. >>>>> I have sent the tach to VDO here in the New World and they say it cannot >>>>> be >>>>> repaired due to it's age. Has anyone out there 1) a source for repair, 2) >>>>> a >>>>> suitable replacement, 3) a used trach I could purchase or 4) an >>>>> alternative hour meter arrangement. >>>>> Your help would be much appreciated. >>>>> I am presently not able to fly due to the severe smoke in the Reno >>>>> area so the timing is right to get this situation handled. >>>>> Many Thanks >>>>> Kurt >>>>> >>>>
