Photo tomorrow promise Ian M 2009/2/7 John Mason <[email protected]>
> Hey Ian. How'd you go with that picture? Or has it been too wet? > It's been too bloody hot down here. 46.5 in the shade as I speak... > > John Mason > VH-GJD > > ----- Original Message ----- > *From:* Ian Mc Phee <[email protected]> > *To:* [email protected] > *Sent:* Friday, January 30, 2009 10:34 PM > *Subject:* Re: [DOG mailing list] prop fitting cracks > > oops old and slow - tomorrow but it is great!!!! It is a 5cm peg above > handle with a flag which folds down when you change prop but folds up when > you wish to feather. Now you bring together 2 flat surfaces and it just > changes like an automatic trans car!!! > > IM > > 2009/1/30 Nigel Baker <[email protected]> > >> G'day Ian. >> I think you missed the enquiry there. John M wanted a picture of the mod >> for the stop on the pitch change mecahnism I reckon. In fact I want to see >> it too. >> Cheers. >> Nige. >> >> >> >> ----- Original Message ----- >> *From:* Ian Mc Phee <[email protected]> >> *To:* [email protected] >> *Sent:* Friday, January 30, 2009 9:33 PM >> *Subject:* Re: [DOG mailing list] prop fitting cracks >> >> Here is a poor photo - you can pick it by a very slight change in revs on >> takeoff and as well by turning the blade around a bit and it does not return >> all the way to climb by itself Remember our prop has 8mmrods instead of >> original 6mm >> >> Ian M >> >> >> >> 2009/1/30 John Mason <[email protected]> >> >>> Ian, >>> >>> I would be very interested in seeing a picture of that if you ever get a >>> chance! >>> >>> John Mason >>> VH - GJD >>> >>> ----- Original Message ----- >>> *From:* Ian Mc Phee <[email protected]> >>> *To:* [email protected] >>> *Sent:* Friday, January 30, 2009 8:25 PM >>> *Subject:* Re: [DOG mailing list] prop fitting cracks >>> >>> I find the best way now to check bearings (as I am blind these days) put >>> tension on the arm and feel top and bottom bearings to make sure they make >>> contact at the same time. >>> >>> I have a stop for the handle which I must take a photo of and all agree >>> is is great and makes prop change real easy !00% success every time even for >>> the dummies can do it >>> >>> Ian M >>> >>> >>> >>> 2009/1/29 Brian Marshall <[email protected]> >>> >>>> Hi Rob, >>>> Thanks for the good advice. >>>> Yep... they're checked. It seems our problem this time was that that >>>> prop change bracket got slightly twisted so that its elbow began rubbing on >>>> the plate too! The tell tale sign was that the slight grinding noise(whilst >>>> turning the prop by hand) stopped as we also coarsened the prop as it >>>> slowly >>>> turned. Anyway hopefully all's well now...lesson learned and a painless >>>> fix. >>>> >>>> Cheers Brian M >>>> >>>> ----- Original Message ----- >>>> *From:* Rob Thompson <[email protected]> >>>> *To:* [email protected] >>>> *Sent:* Thursday, January 29, 2009 10:37 AM >>>> *Subject:* [DOG mailing list] prop fitting cracks >>>> >>>> Have you checked that the bearings (in the prop change lever that >>>> contacts the prop brake plate) are contacting the plate surface at exactly >>>> the same time? >>>> All three dimonas that Nigel and I did up were way out and the only >>>> way to adjust them was to slightly elongate the 4 holes that bolt the prop >>>> change bracket and the oil filler together. This meant the change mechanism >>>> could be adjusted whilst the 4 bolts were loose. >>>> When one bearing contacts before the other it puts a significant uneven >>>> load on the spinning plate which could be responsible for some of these >>>> failures. >>>> Rob >>>> >>>> PO Box 129, >>>> Lawson, NSW, 2783. >>>> mobile 0429 493828 >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> ............................................. >>>> >>>> --- On *Tue, 27/1/09, Ian Mc Phee <[email protected]>* wrote: >>>> >>>> >>>> From: Ian Mc Phee <[email protected]> >>>> Subject: Re: [DOG mailing list] Dimona Master Cylinder >>>> To: [email protected] >>>> Received: Tuesday, 27 January, 2009, 12:48 AM >>>> >>>> Thanks Nigel for brake details. >>>> >>>> Enc are 2 parts which we have had trouble with in h36 >>>> >>>> (i) is the plate at front of prop. In talking to Eric Weston he has not >>>> seen it before but would seem it is now the weak point of the system since >>>> the rods have been increased from 6mm to 8mm at last service. It is easy >>>> to >>>> replace but you need to talk to Eric for the correct setup. >>>> >>>> (ii) is the plate at front where the wires connect to. Interesting I >>>> noticed recently tension was regularly changing - it had a crack and was >>>> getting worse. I took it to local aircraft welder and he did his usual >>>> perfect job but identified the crack starts from the inner corner. He >>>> added >>>> extra weld to increase radius of corner and says that will fix it. >>>> >>>> Originally people thought I had the wires too slack then think I went to >>>> other extreme. I painted bracket white which shows up a crack early. Also >>>> white is good for engine mounts Even Yellow will mask the brown colour of a >>>> crack. >>>> >>>> (JV yes I will get in note on same -both happened last week!! and each >>>> was fixed within 48 hours) >>>> >>>> Another is I have had trouble with airswitch (in the old Bergfalke days >>>> they would last 10 years) so now I run the VDO hour meter from a >>>> microswitch >>>> on the throttle. It is great in that if you taxi slow then you do not pay >>>> but if you taxi fast then pay. >>>> >>>> With our Sauer we recently found they fitted the wrong high speed jets >>>> in the bings. Now we have gone one size bigger than standard (sauer >>>> supplied) and now it is the coolest aircooled engine I have ever flown and >>>> we have digital CHT with shock cooling. The latent heat of vaporisation >>>> really does work and cools engine. Also now on full power the EGT is low >>>> but if you cut throttle back 2 or 3 cm it peaks. The oil cooler on >>>> underside cowl like G109B works much better than on top of engine. I am so >>>> impressed with it that I am adding same to Motorfalke. >>>> >>>> I am also impressed with the Blue oil and petrol hose that John Viney >>>> recommends - got mine from Sydney at about $22/m >>>> >>>> Ian M >>>> >>>> >>>> >>>> >>>> >>>> 2009/1/26 Nigel Baker >>>> <[email protected]<http://mc/[email protected]> >>>> > >>>> >>>>> >>>>> Hi All. >>>>> Welcome to Ian Patching who is now endorsed on type and thus a Dimona >>>>> User and now on this list. >>>>> >>>>> I am answering a question from Macca and Brian at Byron. Putting it on >>>>> the list means it is in the archive for future reference. I checked the >>>>> Air >>>>> Spruce site and it has changed since I last visited. The pics have changed >>>>> but I make the Master Cylinder to be the 10-5. Previously the image showed >>>>> the brake valve lever etc but now it is just indicative but I think this >>>>> is >>>>> the item required going by the description and the pic. E.G. the only >>>>> thing >>>>> missing in the pic is the brake valve but it is defined in the >>>>> description. >>>>> http://www.aircraftspruce.com/catalog/lgpages/cleve_mbrakecyl.php >>>>> Note the unit comes fitted with seals suitable for "aircraft hydraulic >>>>> fluid" NOT "car brake fluid" >>>>> You need to change the O'Rings to run car brake fluid if that is what >>>>> your aircraft is using. >>>>> Hope this is of help. >>>>> Cheers. >>>>> Nige. >>>>> >>>> >>>> --------------------------------------------------------------------- >>>> You are subscribed to the Dimona Owners Group mailing list. >>>> To unsubscribe, send email to: >>>> [email protected]<http://mc/[email protected]> >>>> >>>> >>>> ------------------------------ >>>> Stay connected to the people that matter most with a smarter inbox. Take >>>> a >>>> look<http://au.rd.yahoo.com/galaxy/mail/tagline2/*http://au.docs.yahoo.com/mail/smarterinbox>. >>>> >>>> >>>> ------------------------------ >>>> >>>> >>>> No virus found in this incoming message. >>>> Checked by AVG - http://www.avg.com >>>> Version: 8.0.176 / Virus Database: 270.10.15/1922 - Release Date: >>>> 28/01/2009 7:24 PM >>>> >>>> >>> >> ------------------------------ >> >> --------------------------------------------------------------------- >> You are subscribed to the Dimona Owners Group mailing list. >> To unsubscribe, send email to: [email protected] >> >> >
