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Peter Anson

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About Peter Anson

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    Well-known member


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    Mount Macedon, Victoria
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  1. The demonstration of aluminium brazing in the video posted by JG3 is quite impressive so long as you remember that the samples of aluminium he is using are probably very low strength alloys. A few people have mentioned the reduction in strength in the heat effected zone of the metal being welded. It's worth remembering that the reduction could be even more pronounced in aluminium alloys than in steel. From Matweb, here are a few values of the yield strength of a few common aircraft materials in both their high and low strength forms: 6061-T0 49MPa 6061-T6 276MPa 2024-T0 76
  2. Big engine, little plane, so hot take-offs are no problem. I was a bit surprised on one take off to notice one CHT go to 150°C so just eased the climb rate. Well, that was for 12 days and I did know in advance that I would be paying to park there. I have parked in the open there a couple of times in the past for $5 per day but was happy to get the undercover parking. If it comes to that, I effectively pay about $40 per week to hangar my aircraft all year round so $12 per day on a casual basis didn't seem too bad. The other aspect of this is that when you are talking to people about h
  3. Hmmm, won't let me edit the post but here's the link: Try this link
  4. Who needs the airlines when you own a Sonex? Well, I have to admit I often do, but if I had flown Qantas or Virgin Blue I wouldn't have had this great photo opportunity. Except for the chance to take a photo of my Sonex with an aircraft that my father once flew, this was a pretty arduous trip, one during which I thought several times that I had made the wrong call. I have flown (and written about) doing the flight from Kyneton to Rockhampton a couple of times before, but doing a long flight is always a bit of an adventure and sometimes it can be a bit more adventurous than you wanted.
  5. I use a Wombot (Australian assembled from the usual Chinese parts) printer for making parts such as this NACA duct. Starting 3D printing even with a fully assembled printer has a steep learning curve. To successfully print ABS you need a fully enclosed printer. These ducts are printed in carbon fibre reinforced PLA but are not necessarily any stronger than ordinary PLA because in one direction the strength of the part still depends on the bond strength between layers. Some models of Markforged printers can insert a continuous strand of glass or carbon fibre into the print so they are s
  6. Interesting report, Especially odd is the Pyramid of Austerlitz. I suspect it was built mainly to keep some otherwise idle troops busy digging dirt. Wonder if there is a Hole of Austerlitz nearby. Peter
  7. This was just a fun flight to a remote(ish) location by four Sonex drivers. Here's a link to my blog. And a couple of photos. Peter Anson
  8. Hi Rene, that is a lot of history covered in such a short flight. The forts are interesting. From the fact there is not much structure left I'm guessing that they were mostly wooden. Peter
  9. Crikey, that's a lot of history concentrated into one blog. I always imagined Holland as just having defences against invasion by the sea.
  10. Which eliminates a very large percentage of us.
  11. You didn't think of landing across the runway did you Graham?
  12. Go to Airstrips near Pub and Food - Google My Maps for a map of airstrips within walking distance of pubs and food. Not sure how up-to-date this is or who was responsible for compiling it but they did a great job. The information is correct for the airstrips I have visited.
  13. Yep, sounds like us. We were using distance-to-go off the ipad to locate each other. The headwind on Monday was the strongest I have experienced. Great for bragging rights if you were going the other way though. I remember doing a trip home from Narromine a couple of years ago when I had 160 knots on my GPS for part of the trip. Reckon I could have beaten that easily.
  14. I must have read 5 or 6 accounts by WW2 fighter pilots about being in a furious dog fight among dozens of aircraft and suddenly finding themselves alone without another aircraft in sight. I have enormous difficulty spotting other aircraft near me. In the blog I mentioned passing underneath one of the Bristells, but I didn't see him until I was within a couple of hundred metres. Good thing he wasn't coming the other way. It reinforces the need to fly at the correct cruise height, but even that becomes problematic when you are flying north or south.
  15. Thanks Bill. It really was good to do it in the company of a couple of other aircraft. A club fly away would probably be the best way to do it.
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