Deskpilot

Thanks Riley

I'm currently re-assembling my Rotax 503 and will need a propeller crush plate and correct bolts to fit my prop. Anyone one have such items they can spare or are willing to sell at the lowest price possible. I'm not a tight ass but cash is in short supply at the moment. My engine has a type 'B' gear-box fitted so the bolt pcd is 75 mm. PM me if you can help. Cheers. Edit, deleted nuts, flange is tapped so not needed.

Pylon, sorry forgotten your name, anyway. your folding wing looks the same as I want to do with my Thruster. Care to show me/us how you intend to make the fold assembly? This is what I envisioned:

**How tough are Australians ? ** The scene is set - a dark night, cold wind blowing, campfire flickering, stars twinkling in the dark sky. Three hang-glider pilots are sitting by the campfire, one from Australia , one from Seth Efrika and one from New Zulland. Each embroiled in the bravado for which they are famous. * **The night of tales begins... ** * Kiven the Kiwi says , 'I must be the meanest, toughest, heng glider there es. Why, jist the other day I linded in a field and scared a crocodeale, who came out of the swamp and ate sux min who were standen close by. I grebbed the crocodeale and wristled him to du ground and killed em with my beer hends'. Hansie from Seth Efrika who typically can't stand to be bettered said, 'Well you guys, I lended orfter a 200 mile flight in my heng glider on a tiny trail, and a Namibian snike slid out from under a rock and made a move on me. I grebbed de borsted with me bare hinds and beet it's head off ind then sucked the poison from it's body down in one gulp. End I'm still here today' Colin the Australian remained silent, slowly poking the fire with his penis __________________

A blonde heard that milk baths would make her beautiful. She left a note for her milkman to leave 25 gallons of milk. When the milkman read the note, he felt there must be a mistake. He thought she probably meant 2.5 gallons. So he knocked on the door to clarify the point. The blonde came to the door and the milkman said, "I found your note asking me to leave 25 gallons of milk. Did you mean 2.5 gallons?" The blonde said, "I want 25 gallons. I'm going to fill my bathtub up with milk and take a milk bath so I can look young and beautiful again." The milkman asked, "Do you want it pasteurized?" The blonde said, "No, just up to my boobs. I can splash it on my eyes." Boom Boom!

Whilst on a trip to Vanuatu some years ago, I learnt about their high suicide rate. Reason.....boredom.

There are times in life when one wishes they'd had a camera. I have three examples to share. For a station open day I was positioned at the thresh-hold of the runway and a Lightning roared off to do a full power climb out. Wheels have to be up before 260 knots is reached, plane pulls nose up very soon after and hangs there, probably about 50ft off the ground. It begins to sink back down, we hold our breath, then as it's exhaust 'flames' start to spread out across the ground, it hovers again as if sitting on a firey stool, and then slowly claws it's way up again and accelerates to normal climb speed. I often wonder if the pilot had to change his under-wear after he landed. We had a squadron of Swedish Drakens visit for some reason, probably another open day. How-ever, on departure, the last one to take off, pulled tight circle and headed back directly at the control tower. At the time I was standing on the wing of a lightning and nearly <mod censored> myself when the Draken disappeared behind the tower. I clearly remember seeing the ATC personnel throwing themselves to the ground and then the underside of the plane shot up vertically missing the tower by inches(seen through the tower). The pilot, we later learned, was grounded. Whilst flying in a 47 Sqdn Blackburn Beverly en-route to Germany I had occasion to leave the Tail-boom and climb down to the freight bay. For this trip, the rear 'clam-shell' doors had been removed. Going as far as I was allowed to look out the back, another Bev slowly rose up between our twin vertical stabs. The pilot, grinning like some evil being, raised his hand an did a finger wiggling wave then just as slowly, took his plane back down again. Oh for a camera at those moments.

Onetrack, I agree, it's difficult to envisage. Took me ages but the I found this pictorial description. I hope it clarifies thing for you..Sorry for the orientation. Center section only oscillates, doesn't rotate.

OK, back to the beginning. In my opening post I mentioned an engine I was theorizing about and I think I have enough modeled now to put my idea forward. The basic idea is to minimize part count and weight. To this end, I've thrown out the crankcase, oil pump, filter and oil, plus valve push rods and rocker arms.. WHAT! Let's start with a Balandin cross beam set-up and fit it with modern high speed, high temperature and sealed bearings. There are several ways to make this work: GrabCAD - CAD library My version, Mount it in a light ally space frame. I've left out center guides and end bearings for clarity. Add cylinders, note lengthened rear fin areas for better cooling. Now, this is where it gets interesting. Ever heard of the 'T' head design. Not used since way back when. It presents a pure cross-flow head and with the use of electronic 'sluice valves', presents no hindrance to gas flow what so ever. So how does it work. Pretty clear really. An electronic timing system on the main shaft, controls the opening and shutting of the valves at the correct time. By manipulating the input pulses, the valves can be made to operate extremely fast without over heating. I'll draw wave forms if you want it. As all components are open the the air-stream, cooling becomes a minor problem. Of coarse, the valves have to have close tolerances and guides to ensure correct operation. As the engine fires, the valve plate would be pressed hard against it's outside face and help seal it. Ignition could be a simple magneto or an alternator and distributor but in a different configuration. [ATTACH]54147[/ATTACH] So there you have it. Ram air induction with A TWO STROKE MIX for upper cylinder lubrication. Now, remember this is theoretical only, nothing is to scale and support plates have been omitted for clarity. The the question is, Fine in theory but will it work?

Wow, that's history Collin. May I welcome you into our community. You've come across the one problem that affects all of us older flyers. Entry and egress of modern planes. Apart from being larger generally, the ability to fold ourselves, particularly our legs, gets harder with age. If you're still legal, something like the 172 fits the bill but you'll have the pay the increasing cost to fly one. I'm 6 ft tall and weigh 105 kilos. To see me getting in and our of my Thruster is a comedy act I don't want anyone to see. Doug

I stand corrected.

I came across this new(to me) engine and I find it quite fascinating. Now it sounds Ok in theory, but will it, or does it, really work. This is a fairly long and well explained look into a 'new' technology. Enjoy BTW, I'm working on my own engine design that, when finished, I will publish and ask the same question. Fine in theory but will it work

Beauty is in the eye of the beholder. I serviced Lightning for 14 years and love them. Yes, on the ground, not pretty and terrible to work on. In the air, the only aircraft ever to catch and overhaul Concorde, fastest speed ever achieved not disclosed and still holds the climb to height record. From stand-still to 30,000ft in 1min 20secs I believe.

Almost a matching pair as a loan car sits in my garage. Smashed my Falcon into a wall (wide sandals covered throttle and brake simultaneously). I reckon the number plate should be on another make of car.

Today my Thruster saw the light of day once more. On 3 wheels again as I begin a huge clear out in my garage/workshop. As you can see, still a long, long way to go.

If all 'English' speaking countries stayed with English English, we'd all be better off. Bastardized English will always be a problem.

and the difference between an aerodrome and an airfield is.......................!

Actually, it's an experimental re-entry vehicle. I don'r know any more than that, but it did exist..........once.

Missed perfection by just that much. Brilliant flying and photography.

Sure looks Photo-shopped to me. Note the change in the base white, and in the flash.

Hi Riley, not a lot to report actually. See my Rotax 503 rebuild thread. Pistons ready to be refitted but it'll have to wait until after Christmas. My wife had a fall yesterday and is hospitalized for about a week. A quiet Christmas for me except for 2 visits per day. Just put the pork roast on, sausage rolls just come out of the oven, my single mate across the road has the beer in.............we'll be right don't you worry. Have a nice celebration old friend and remember, no drinking and flying. Cheers.

Hey Bex, I didn't recognize the car but like you, I followed Aussiefrogs for some years. A great site(then) and it reminded my of my old Citroen GS that I used to thrash around in. Bloody marvelous car with the best suspension ever. Flying Carpet ride. Only photo I have of her. The boat is a Robert Tucker 'Debutante'. A 22ft, flush deck, triple keeled and Bermudian rigged sloop. Wish I could have bought them both to Oz. Sadly missed.

Thanks Nev, thanks advice at the right time. Downunder, your advice has come too late. I've already reassemble the crank case using WD-40. Not going to take it apart again.

Sing along now..."What a difference a day makes......." de-coking my pistons. 24 hours soaking in WD-40 and a light scrub with a pot scourer. I said LIGHT......OK! According to advice found on the net, there should be markings on the top to indicate which side faces the exhaust port. I can see some id marks but nothing else. How do I determine the correct way to refit them?