pudestcon

G'day JB, That is an unusual ratio!! What type of gearbox is it - B, C or what? I was thinking you could replace the gear 'cogs' inside the box rather than get another box complete. Getting the cogs with the correct number of teeth should give you a gearing more to your liking. Might be an easier (cheaper?) solution then getting a propeller made. Pud

G'day Tex, In my Rotax operators manual on page 10-1 it says, for the 582 UL DCDI/mod. 99 (Blue head) that normal egt operating temps are in the range 930-1150F, max 1200F. So mine is running well below max. With the max revs of this engine, my manual says on page 10-1 take off speed 6800 RPM max. 5 min, cruise speed 6500 RPM I have a Rotax Repair Manual as well, that states similar numbers to those I have quoted above. Pud

G'day Maj and thanks for your post, I'm not using Castrol anti-freeze brand (the brand escapes me right now) but what I'm using does meet the specifications as per Rotax requirements, mixed 50/50 with demineralized water. I believe it to be the radiators as well - next weekend will prove/disprove the theory. The plugs are gapped correctly with new plugs installed at my last visit. According to my operators manual the gearbox oil should be 85W140 grade which is what I had in it, until Pol suggested I change to 90 grade oil, which I did. Didn't make a difference in any way that I could see. I filled the gearbox until the oil started flowing from the lower screw hole, as per the Rotax instructions in the operators manual. All your other comments are taken on board and are correct on my machine. I will be removing the carbies for a clean and re-adjustment to ensure all is correct. I have made up a simple manometer from clear plastic tube to check syncronisation of both carbies once re-installed on the engine. Cheers and thanks Maj, Pud

G'day John, Glad you finally got sorted so we can talk to you here. You are definitely correct, from what I have read about max revs; problem is I can only get 6200 absolute max, although have not tried increasing revs in a dive or descent. I would be happy to get the expected 6500 when flying. I haven't fitted the doors yet but they should be good once I make the modifications. I'm going to remove the polycarbonate, alter the frames and fit new polycarbonate. I have some things to do before that though, as you may have gathered from this thread!! How are you going with your Thruster project, you can't use the weather as an excuse anymore John! Have you thought anymore about that prop balancer we were discussing last time we spoke? Pud (you can call me Pud, John. I won't hold it against you)

A womans work is never done. A man came home from work and found his 3 children outside, still in their pyjamas, playing in the mud, with empty food boxes and wrappers strewn around garden, The door of his wife's car was open, as was the front door to the house and no sign of the dog, walking in the door, he found ...an even bigger mess. A lamp had been knocked over, the throw rug was against one wall, In the front room the TV was on loudly with the cartoon channel, the family room was strewn with toys and various items of clothing. In the kitchen, dishes filled the sink, breakfast food was spilled on the counter, the fridge door was open wide, dog food was spilled on the floor, a broken glass lay under the table, and a small pile of sand was spread by the back door. He quickly headed up the stairs, stepping over toys and more piles of clothes, looking for his wife. He was worried she might be ill, or that something serious had happened. He was met with a small trickle of water as it made its way out the bathroom door. As he peered inside he found wet towels, scummy soap and more toys strewn over the floor. Miles of toilet paper lay in a heap and toothpaste had been smeared over the mirror and walls. As he rushed to the bedroom, he found his wife still curled up in the bed in her pyjamas, reading a novel... She looked up at him, smiled and asked how his day went. He looked at her bewildered and asked, 'What happened here today?' She again smiled and answered, 'You know every day when you come home from work and you ask me what in the world do I do all day? ''Yes," was his incredulous reply. She answered, 'Well, today I didn't do it.'

In Perth Western Australia we used to have a Dr Dugood who practised at the Wright Orrong Medical Centre on the corner of Wright Street and Orrong Road in Belmont. Pud

Thanks Alan, with my current 'issue of the week', namely propeller pitch and matching to an engine, this article is of interest. Pud

Well I turn 60 this year Kevin, and for the first time in my life I'm not that keen on another birthday. I think it's the realisation that 60 something sounds a whole lot worse than 50 something. Still, I'm looking forward to spending time with my Grandkids and family, looking forward to spending time on the road in this great country we have, and of course, doing as much flying as possible. These activities will be ramped up when I finally retire sometime in the next 5 years. Like a lot of people here I suspect, tussling with the idea of no steady regular income after retirement is taking up a far bit of thought. I'm looking forward to being busier than ever though, it will be on activities of my choosing, not something I have to do. Pud

I live for the time when we can get 2 aircraft in the circuit at Wirraway Farm airfield:plane: Pud

What do you do in your spare time Kelvin? Pud

Do you want to put that to the test turbz? Pud

Must be a stressful job looking after himself if he needs to take a holiday:cheezy grin: Pud

Good advice Riley, and I fully intend to do just that. I want to know what effect, if any, each item will have. I am having fun working through this with the help of you people here, and some others, namely Poll and The Runt who get in my ear constantly:blah blah: Pud

Are you serious about two different Brolga props Terry?!! Bloody hell, this is never ending. On saying that though, the status quo remains with my setup as I have the Australian prop blades teamed with the ultra hub, same as you are saying the Aussie Brolga had. That means I should have 15* pitch blocks when I have 12*. So the engine should be screaming it's lungs out - but it ain't!! Putting in 15* blocks will make the situation worse. I posted the links above because the assembly and configuration of the propeller is identical to my setup. Somehow, I think the RPM issue is not with the propeller because of the 12* pitch, rather it has something to do with fuel. I will be happy to be proven wrong on this, as long as it happens sooner rather than later. I believe the overheating is a separate issue caused by the smaller radiator assembly. Pud

Thankyou to all volunteers and to the newest member of the team, Maynard. It is interesting to see that Steve has the job of 'Ahlocks', does that mean he is looking after himself!! Pud

Very well explained Nev Dev. Looks like I better remove the radio from the trusty Thruster with the rev/heat problem. I don't actually have an issue with discretion being returned to the individual, but I can see where you are coming from. Pud

Would you care to explain your view tp? Do you mean that government regulations have changed from being prescriptive, to giving some discretion to the individual, in this case? Pud

For those that are interested, the assembly instructions for the propeller set up I have can be accessed from this page http://www.competitionaircraft.com/Brolga.htm then click on the link contained within the 1st paragraph under the heading "Assembly and Care of the Brolga Ultra-Prop" Pud

G'day propfarmer, the pitch blocks are fully interchangeable front and back. If you check out photos number 1 and 4 in SAJ's post #88 you will see what I mean. SAJ's propeller set up is identical to mine. The pitch blocks in use are the ones featured here http://www.competitionaircraft.com/ultralight-aircraft-parts.html Some information on prop combinations for the 582 can be found on this page http://www.competitionaircraft.com/Brolga.htm Pud

Thanks SAJ. Good to see you worked out how to load photos - it's not too hard once you get the gist of it. Your solution to the overheating problem is certainly novel, and obviously working. I like the idea of shutting off the lower radiator when its not needed - I hope it is attached well!! Cheers, Pud

Hehehe, I can't believe you are feeling "a bit bad" Nev... You should be feeling a bloody "lot bad" Seriously though, as Don has said, I definitely have no regrets about getting the new engine, and fully expect to work these issues out in due course, and have many many hours of flying fun. So thanks for your input Nev, it has been very valuable, and thanks for your concern as well. Pud

So if the main jets are the correct ones and the throttle slide is opening fully, then you are suggesting I look to the propeller as the source of not achieving maximum revs, yes? Pud

I've sent you an email Ian. Pud

It's easy if you use Microsoft Picture Manager (MPM) SAJ. When you have a photo on screen in MPM click on "Edit Pictures..." in the menu bar across the top of the screen, a box will appear down right side that gives you the option to resize the photo. You need the 640x480 size to have it accepted for upload to the site here. At least, that's how I do it:wink: Pud

Can't see any photos SAJ:private eyes:. Interesting about the shims - what shim material would you use? Anyone else have a view on using a shim to change a propeller blade tracking? Initially I wasn't worried about the engine revs either, but now I know about it and the water temp is hot I thought I'd find the cause as both issues could be related. Just a thought, but it may be that your setup with the extra radiator capacity is masking the real reason for overheating. In my situation with the blue head engine, where it needs the extra capacity (around 163.5 cm2 of extra radiator surface area over the grey head engine) your third radiator idea should solve the problem, giving an excess of 76.3 cm2 surface area capacity. Food for thought.... Pud