Re: [DOG mailing list] Looking for a loaned out mould

moulds in storage when needed. Regards Laurie Hoffman On Wednesday, 15 October 2014, 13:23, Laurie Hoffman via dog dog@lists.riverland.net.au wrote: Morning Glories this year. Does anyone have feedback on how this season has been? Regards Laurie Hoffman On Monday, 13 October

Re: [DOG mailing list] Dimona prop issue

Hi Ian and Ian (I liked writing that!), Our last few prop services have also been with Eric. The repainting on the props the last couple of times looked like it was done by someone with their eyes were closed.Not so important I guess but after the last overhaul grease was being sprayed from the

Re: [DOG mailing list] Dimona prop issue

Hi Ian (Williams), What fuel flow rates did you see on the trip? We regularly cruise 7000' and the engine does run well at alt. Interesting experiences over the last month or so though. Rob and Col overhauled the carbs and set the mixture back to baseline. It had been way too rich and

Re: [DOG mailing list] Engine mount for Limbach

Hi Ian,Re removable front cowl panel. Did you find the template that you had? RegardsLaurie Hoffman From: Ian Mc Phee mrsoar...@gmail.com To: DOG LIST dog@lists.riverland.net.au Sent: Saturday, 16 May 2015, 7:21 Subject: Re: [DOG mailing list] Engine mount for Limbach They are VW

Re: [DOG mailing list] John Viney

Thanks for the advice. Ian I was shocked to read it. As you said, far too young. JV was always so helpful on technical issues re the Dimona and the depth of his knowledge was evident in every comment. A sad loss to both the gliding movement and to the members of this forum. Laurie

Re: [DOG mailing list] Vibrations at certain revs

Just to ad to Rob's post. We also installed new plugs.  Regards Laurie Hoffman From: Rob Thompson post...@hotmail.com To: dog@lists.riverland.net.au dog@lists.riverland.net.au Sent: Friday, 10 July 2015, 16:38 Subject: [DOG mailing list] Vibrations at certain revs #yiv9897273792

Re: [DOG mailing list] Morning Glory Cloud Documentary

ro estate called The CovesRegards Thys  Sent from my Samsung Galaxy smartphone. ---- Original message From: Laurie Hoffman via dog <dog@lists.riverland.net.au> Date: 30/09/2015 12:25 (GMT+02:00) To: dog@lists.riverland.net.au Subject: Re: [DOG mailing list] Morning Glor

Re: [DOG mailing list] Morning Glory Cloud Documentary

Hi Mathys, Where in SA are you located out of interest? Regards Laurie Hoffman From: Mathys Kuhn To: "dog@lists.riverland.net.au" Sent: Wednesday, 30 September 2015, 19:40 Subject: RE: [DOG mailing list] Morning Glory Cloud

Re: [DOG mailing list] Bloody Hoffmann Props

Good on you Nige! I would much rather that you posted "Merry Christmas to All and have a great Holiday Season"! So I have. The forum has been a bit quiet though so here are some questions for the Brains Trust. There is some H36 performance data that I can't seem to verify from the Manual and

Re: AW: [DOG mailing list] Throttle ball cup locking clips?

Around $8 each delivered from Germany via eBay angle joint ball joint CS LH DIN 71802 M5 Left hand thread |   | |   | |   |   |   |   |   | | angle joint ball joint CS LH DIN 71802 M5 Left hand thre...angle joint ball joint CS LH DIN 71802 M5 Left hand thread in Industrial, Hardware Parts,

Re: [DOG mailing list] Reminder about Dimona wheeler landings....

Hi Ian, In Oz, we prefer to fly our Dimonas with our pants up.  Much safer in the event of an unplanned landing.  Laurie  From: Ian Williams To: "dog@lists.riverland.net.au" Sent: Friday, 10 June 2016, 18:49 Subject: Re: [DOG mailing

[DOG mailing list] H36 Daily Inspection

Hi All, Good to see some recent activity on the forum. I was talking with Rob the other day about working up some additions to the Daily Inspection list for the Dimona which incorporates the acquired knowledge of owners and operators. He mentioned that Tom has raised the issue that the locking

[DOG mailing list] Fw: H36 Daily Inspection with latest from Tom on main pin safety clip location

- Forwarded Message - From: Laurie Hoffman To: DOG LIST Sent: Friday, 17 June 2016, 18:57 Subject: H36 Daily Inspection Hi All, Good to see some recent activity on the forum. I was talking with Rob the other day about

Re: [DOG mailing list] Crosswind

I'll add a couple of points to Nigel's... Firstly, I similarly have great confidence in the H36's ability to cope with very strong crosswinds, far greater than just about any other glider or light aircraft. Nigel referred to the significant weight on the tail wheel which certainly aids with

Re: [DOG mailing list] Stromberg Carbie parts, diaphrams etc

Thanks Greg and welcome to the fold! Another good supplier is SU MIdel in Lakemba, Sydney. http://www.sumidel.com/   Regards Laurie Hoffman From: Greg Wilson To: dog@lists.riverland.net.au Sent: Thursday, 28 April 2016, 12:05 Subject: [DOG mailing list]

RE: [DOG mailing list] G109

Bob that reminds me of Dave shorter's episode near Mt Kaputar in NW NSW near Narrabri. Don't know the circumstances leading to it but he and his aircraft ended up lodged high in the tree canopy. Macca would know more. Some friends set about recovering it some time later. Mark was as agile as a

Re: [DOG mailing list] G109

Don't you just hate it when your aircraft goes and loses altitude on you! Laurie On Mon, 12/9/16, Nigel Baker wrote: Subject: [DOG mailing list] G109 To: "DOGS" Received: Monday, 12

[DOG mailing list] CHTs with warning function

Hi All,Macca recently emailed me re multi channel CHT gauges with an overheat warning function. I've been looking into them for a while. MGL Avionics is a South African company that has been producing aircraft instruments since 2001 and have just released a four channel, colour display version

[DOG mailing list] H36 Ignition Switch

Hi All, After extensive investigation into intermittent electrical problems eventually developing into a situation where the motor had to be shut down in flight due to rough running, it appears that the culprit is the ignition switch. Physically, the switch appears identical to the other

Re: [DOG mailing list] H36 Ignition Switch (and brakes)

eland only recommends aviation brake fluid ​- but I'm sticking with DOT3 as per the US type certificate! Cheers, Tom On Thu, Jul 13, 2017 at 7:26 PM, Laurie Hoffman via dog <dog@lists.riverland.net.au> wrote: Hi All, After extensive investigation into intermittent electrical pro

Re: [DOG mailing list] H36 Ignition Switch (and brakes)

erkill for whatever reason. Maybe consevative because we only get one of them. Michael On Jul 15, 2017 1:29 AM, "Laurie Hoffman via dog" <dog@lists.riverland.net.au> wrote: Hi Tom and Mike, Rob and I have the wreck of an H36 from which we have salvaged many parts fo

Re: [DOG mailing list] Ignition switch and brakes.

That's interesting as the specs for that switch are 20Amp. The switch that I removed (which looks to be original) is labelled 40 Amp. Best Regards Laurie  From: "kristinnow...@gmail.com" To: "dog@lists.riverland.net.au" Sent:

Re: [DOG mailing list] Hoffman Props

tive because we only get one of them. Michael On Jul 15, 2017 1:29 AM, "Laurie Hoffman via dog" <dog@lists.riverland.net.au> wrote: Hi Tom and Mike, Rob and I have the wreck of an H36 from which we have salvaged many parts for our functioning H36, especially the L2400 which we had

Re: [DOG mailing list] Hoffman Props

Jul 25, 2017 4:48 PM, "Laurie Hoffman via dog" <dog@lists.riverland.net.au> wrote: I get the impression that Michael experiences the aircraft pulling to the right on most/all of his take offs on rotation? Cross winds would explain only some of these. I can't recall ever noticing it

Re: Re: [DOG mailing list] Fuel tank removal

I forgot to mention that we have a fibreglass tank that replaced an ally one and same method worked with both. On Monday, 4 September 2017, 8:28:14 am AEST, Mike Collins wrote: If you have a new aluminium tank it just rests very snugly on (from memory)

Re: [DOG mailing list] Low oil temps in the cold New England air.

Hi Tom, We use some good quality heavy duty aluminium adhesive tape to wrap around that part of the oil cooler that suits the bient conditions in winter. Best Regards Laurie  On Sunday, 12 November 2017, 9:55:22 am GMT+10, Michael Stockhill wrote: Hi Tom, I

Re: [DOG mailing list] Engine tension cable steel mounting tab failure - Achtung!

I had an old uncle who was Service Manager for Rex Aviation who were the Australian Cesna agents at Bankstown Airport in the 60s. I had my first ever flight with him around 1963.I recall him saying that he had the chance to buy a couple of Mosquitoes cheaply maybe 10 years earlier but "didn't

Re: [DOG mailing list] Touring WA

Hi Greg, Should there have been a link with this email? Best Regards Laurie  SYDNEY MOTOR GLIDER FLIGHT GROUP On Tuesday, 5 June 2018, 3:17:17 pm AEST, Greg Wilson wrote: An interesting article by local pilot John Michel detailing his recent trip from Northern NSW to Broome and

Re: RE: [DOG mailing list] Touring WA

Thnx Greg,A good read. Best Regards Laurie  On Wednesday, 6 June 2018, 10:08:23 am AEST, Greg Wilson wrote: Hi all, I'd attached the article to my email  as a pdf not realising this list strips off attachments. I've now put the article here: 

Re: [DOG mailing list] Maine Dimona H36 flying videos

Hi Kristin,Great videos!I'm just wondering what that white stuff is in many of them though! Best Regards Laurie  On Saturday, 3 February 2018, 4:50:27 am AEDT, Kristin Nowell wrote: Dear Dimona owners, I have been playing around making music videos of

Re: [DOG mailing list] Hoffman propeller HO-V62-R / Issues withchanging positon to cruise

Hi All, Just some further observation on pitch change. The pitch change action is usually in three stages. The first is the easy take up of any slack in the cable until noticeable resistance is felt. The second is the continued pulling of the lever with some effort (but without pulling the

Re: [DOG mailing list] RPM lower limit at cruise position

I just found the reference in the manual..P9.No minimum RPM stated.   CAUTION   Avoid RPM during cruise below 2300min –1!     On Wednesday, 17 October 2018, 9:19:12 am AEDT, Laurie Hoffman via dog wrote: There's a requirement in the manual not to cruise between 2000-2300

Re: [DOG mailing list] Hoffman propeller HO-V62-R / Issues with changing positon to cruise

While carrying out a daily inspection a couple of years ago, I was surprised to discover a lot of vertical movement at the prop tips. Up till then I'd focussed more on lateral tip movement but since then I make a thorough check of both.Laurie Sent from Yahoo7 Mail on Android On Sun, 14

Re: [DOG mailing list] Zenith 150 CD 3 - fuel hoses

Hi Martyn, Re the electric fuel pump function...as part of the daily inspection and also the pre-boarding inspection between flights, we briefly run the electric fuel pump. (Only after pulling the prop through for the compression check!) The main purpose is to confirm that there is no carby

RE: [DOG mailing list] Zenith 150 C3 meetering needle adjust

Hi Ric,Your comments on the needle adjustment reminded me that over the years we have had to adjust them quite a few times. Mainly seasonally. Rob does an excellent job of maintaining the carbs and motor around those key factors you listed and worn butterfly spindles and perforated diaphragms

Re: [DOG mailing list] Fw: H36 Asbestos firewall backing

Thanks Dave,With the second highest rate of deaths in the world from mesothelioma after the UK and goodness knows how many cases of asbestosis, I guess Aussies are more aware of the dangers than others.  Very important that all are aware of the dangers so DOG members elsewhere should be

[DOG mailing list] Fw: H36 Asbestos firewall backing

Hi All, Rob had trouble posting the following on the forum so I'm doing it for him. Important to get this info out.  Aussie members will be very aware of the serious health dangers that derive from handling asbestos but overseas members may not be. Best Regards Laurie  I lifted up a small

[DOG mailing list] In Flight Emergency Actions Part 2 Fire!

In flight fire presents one of the worst scenarios for any pilot, especially for one flying a resin soaked, plastic, fuel and oil carrying airframe. The H36 AFM distinguishes between in flight engine and electrical 

RE: [DOG mailing list] In Flight Emergency Actions Part 2 Fire!

on the ground?   Kurt Redinbaugh H-36 S/N 3660   On Tue, Feb 12, 2019 at 1:55 PM Laurie Hoffman via dog wrote: In flight fire presents one of the worst scenarios for any pilot, especially for one flying a resin soaked, plastic, fuel and oil carrying airframe.   The H36 AFM distinguishes

Re: [DOG mailing list] In Flight Emergency Actions Part 2 Fire!

Hi Dave,Just thinking about the Dimona's behaviour in a severe groundloop. Agree that immediately after touchdown wouldn't be the best time to initiate the groundloop, but I think I'd be comfortable commencing one soon after. The H36 is built like the proverbial Sydney Harbour Bridge. My

[DOG mailing list] In Flight Emergency Actions

Hi All, Nigel and I have been discussing emergency actions for the most common scenarios recently. The Aircraft Flight Manual is spartan in its advice and in some cases incorrect. I thought I'd post my thoughts for the brains trust to review and come back with comments and suggestions. First one

Re: [DOG mailing list] In Flight Emergency Actions Part 2 Fire!

-36 S/N 3660   On Tue, Feb 12, 2019 at 1:55 PM Laurie Hoffman via dog wrote: In flight fire presents one of the worst scenarios for any pilot, especially for one flying a resin soaked, plastic, fuel and oil carrying airframe.   The H36 AFM distinguishes between in flight engine and electrical

Re: [DOG mailing list] The heat

Hi Tom, I grinned when I read your post as its not uncommon at all for us to have 38degC here in Summer. The only possible issue that i can think of is around your canopy. If its left open for any period of time in the sun then it can expand where its reluctant to close properly.Just keep it

RE: [DOG mailing list] Political humor

The point isn't about whether the article is true or notits about the fact that it is so perfectly believable by almost the entire voting population! That this is a universal situation as shown by Fun Policeman Dave informing us that it germinated in another country shows just how little

Re: [DOG mailing list] Limbach 2000 - spark plug on cylinder 4 getting black and sooty

Hi Jarek, How many hours on the motor? What is the colour of deposits on the exhaust like? What is the compression like on #4? Best Regards Laurie  On Friday, 12 April 2019, 6:36:49 am AEST, Jarek Steliga wrote: Hello, I am at the end of my tether. Please help.  I screw in 4

Re: [DOG mailing list] Fuels and additives

Further to Rob's post on fuel, I wanted to raise the use of Avgas in the H36.Avgas LL has a lead scavenging agent (Ethylene Dibromide) added.While operating the Super Cub for many years as a glider tug we used a commercial lead scavenging agent additive called TCP which was effective as

Re: [DOG mailing list] H36 top speed

Hi All,My understanding and experience aligns with Michael's.Having flown our Dimona over most of Australia on long touring trips  (some thousands of kms) well and truly at max weight and often in high density altitudes, there has been ample opportunity to experiment with flying attitudes. I

Re: [DOG mailing list] Stromberg Zenith 150 cd3 - leaking/po

An interesting thing that that I've learned from our engineers (Rob and Col) is that diaphragm holes can be quite fine and quite concealed. The need is to hold the diaphragm up to a good light eg sunshine while VERY GENTLY stretching it out section by section. The offset is that with older

Re: [DOG mailing list] Increasing max weight - take off performa

The provision for the 3% increase was to be written into MOSP 3 but not sure if it has made it there yet?Laurie Sent from Yahoo7 Mail on Android On Sat, 30 Nov 2019 at 9:55 am, Rob Thompson wrote: Hi Ian,Andrew Simpson granted us a 3% increase in Max AUW based on the British precedent

Re: [DOG mailing list] Stromberg Zenith 150 cd3 freezing over

In 800 hours I've experienced carby icing a handful of times.The symptoms can be similar to a perforated carb diaphragm. ..lower power, rough running, lack of response when opening the throttle. The only actions available are to open the throttle fully, descend into conditions less likely

Re: [DOG mailing list] H 36 electric fuel pump

It's really important to check for fuel leaks prior the first flight of the day and any others on every flight. In addition to what Greg mentioned about causes for lack of fuel line, pressurisation, the carby floats can and do stick causing flooding into (and even out of) the catch trays under

Re: [DOG mailing list] Nigel and list management

Yes same here. And thank you Cath and Peter for taking some pressure off Nigel at this time by moderating the DOG list. Best Regards Laurie Hoffman On Tuesday, 15 September 2020, 08:28:38 pm AEST, Mike Collins wrote: My very best wishes to Nigel and wish him well.Mike

Re: [DOG mailing list] CHT during warmup 110 degrees Celsius at static RPM 1200

Sorry Jarek,Auto correct on my phone decided to rename you Karen! Sent from Yahoo Mail on Android On Wed., 16 Sep. 2020 at 3:50 pm, Laurie Hoffman via dog wrote: Hi Karen,Not sure if you have had any replies to your post as I seem to miss receiving some at times.110degC sounds fine warm

Re: [DOG mailing list] Email Registration for DOGs

I'm not getting any spam but dozens of old posts coming through in the last couple of daysAnyone else?Laurie Sent from Yahoo Mail on Android On Thu., 3 Sep. 2020 at 6:58 pm, Rob Thompson wrote: Is the DOG list getting all those spam emails or is that you (like everyone of us) are

Re: [DOG mailing list] Shimmy

Check that the rubber shocks, especially one of them, hasn't gone soft Sent from Yahoo Mail on Android On Tue., 22 Sep. 2020 at 3:36 pm, Győző Horváth wrote: Hi Ian, Thank you for your answer.I have the later version tailweel with rubber shocks.Unfortunately I experienced the shimmy with

Re: [DOG mailing list] A question for Nigel

Hi John,Good to hear from you. Of course you are!BestLaurie Sent from Yahoo Mail on Android On Mon., 29 Jun. 2020 at 3:31 pm, John Mason wrote: Hello fellow H36 owners. My name is John Mason and I own GJD (bought it off John Calahan some years ago) Sadly, I've decided to sell

Re: [DOG mailing list] Low RPMs

Hi Bruce,If the motor seems to be smooth in operation, the prop pulls through when cold with fairly even and adequate compression on all cylinders,  I too was thinking it's probably a pitch setting ussue. Those final couple of hundred RPM make all the difference in performance. It's surprising

Re: [DOG mailing list] Motorglider prop

Hey Ian, where did you see the ad? Best Regards Laurie  SYDNEY MOTOR GLIDER FLIGHT GROUP Introductory to Advanced Glider Flights Web:   www.sydneygliderflights.com.au Email:   i...@sydneygliderflights.com.au Phone: 0439 353966 Camden Airport NSW Australia On Monday, 14 December

Re: [DOG mailing list] Expect the unexpected

That the ridge kept working while your brain kicked in Ian was far better than your brain stopping working while the ridge kicked in.Laurie Sent from Yahoo Mail on Android On Wed., 25 Aug. 2021 at 12:20 pm, Ian Mc Phee wrote:

Re: [DOG mailing list] Generator Belt Specification

Also Gates HM22 Trueflex 1223/8" x 22"9.5/10mm x 560mmIs a big job however as Tom said. With the early accessory case its an engine out job.With the later one it can be done with the motor installed however its still quite a big job with removal of one carb, starter and magneto to gain access.

Re: [DOG mailing list] Master brake cylinder

Hi Gyozo, Pretty sure that the master cylinder is either a Cleveland 10-5 or 10-35 and sounds like you just need new seals.Cleveland seals are for aviation hydraulic fluid not car brake fluid so you need to make sure that you get the correct ones to suit the brake fluid that you use. Best

Re: [DOG mailing list] Damage to #3660

Can you send some pics of the damage Kurt?Is yours a Mk1 or MK2? Best Regards Laurie  On Sunday, 7 April 2024 at 10:40:16 am AEST, Kurt Redinbaugh wrote: Hello all and again many thanks for the prompt and informative response to my posts.My last email concerned a flat tire I