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TheBaron

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Everything posted by TheBaron

  1. And in some style Chris! Wonderful to see such crisp clean workmanship. That Venom is the business.
  2. Absolutely lovely quality continuing to develop with each new item...
  3. It occurred to me reading your last superb slew of updates that we are - in the clearest sense of the word - watching an aircraft materialise here in front of our eyes Anthony. A privilege to witness work of such distinction - including that of your other contributors to the project.
  4. That oil cooler does have a quite singular sweep up and around at the back in exactly that way doesn't it Adrian? Your grasp of geometry far exceeds mine - would that be some species of Fibonacci spiral? I know subtelty when it hits me in the forehead in the form of a brick Colin. As there's some latent interest here I WILL do a little experiment and test print copies of the MRGB at both of those other scales as well for curiosity's sake. Be warned though that much of the detail captured here at 1/24th won't survive downward revision strengthwise, pipework least of all.... My maths is appalling - what % do I have to scale down 1/24 to get 1/32....? At the current rate of detailing this may just end up as a Nimbus engine deck rather than full Wasp anyways! That's typically kind of you to say so Pete. It's probably fair to say that both the CAD work and helicopter sides of the equation here are fundamentally a product of curiosity, in both cases translating into: what is that thing? how does it do that? The only constant rule I set myself around this is that every build I do should require me to learn some new set of materials or skills. I think so Chris. Given that in terms of pipework alone it'll end up at this scale representing the majority of those on the actual engine, I need to have some kind of logistical controls in place before things proceed any futher. Already I'm forgetting design and build decisions from the previous week! Not if it's anything like the baroque plumber who did the fit out on our house when it was built Giorgio - most of the pipework you see me doing here is just a copy of our central heating system and not the Nimbus at all. That's just between you & me though! Dread to think what that comment was Mark that the mods had to censor all of it. I'm going to have to ask people to tone down the level of obscenity on here. I'm doing my best, honest.... That's exactly what you would expect Santa Claus to say.... 01100011 01110101 01110010 01110011 01100101 01110011 00100000 01110010 01110101 01101101 01100010 01101100 01100101 01100100 00001010 !! Taking a few days off from designing any new parts as I need sit back and take stock of what is currently here, in terms of: Colour-code the aforementioned pipe/pumps combinations in terms of what will be printed as combined parts, and what as separate. I want avoid a completely unmanagable scenario involving lots of extremely frail lengths of 0.45mm pipes to stick together under and around the engine, so will integrate features as much as far as practicable for construction and painting purposes. The frailty of these components and the way they weave around spatially will, I think, require some fancy custom support work at the CAD stage of the kind both @Fritag and @Serkan Sen have been demonstrating so impressively in their work already. Output new & modified parts into the .stl library. Output PE parts as unfolded design drawings to begin a brass library alongside the resin one. I'll print out a few of these brass bits on paper and use them to test that scale relationships with the printed parts are accurate, before committing to the building a PE master sheet. Feasibility print of existing inventory to check for problems. Thankfully much more discipline has been imposed this time around in Fusion in terms of breaking the overall project down into a much wider range of components. Whilst this has definitely made it much easier to switch on and off different features as required for various tasks, many components such as gearbox and engine elements are still averaging about 200 or so drawings each, so I've long ago run out of plain-language names for things and am now reduced to naming 'benchmark' items in the drawing tree as a series of cryptic e.e. cummings-style abbreviations such as: 'opump_feedjun_stbd'. I wonder how adults cope with this? Having recently rekindled a fascination with the construction methods of Gothic architecture, I've been (slowly due to the high quality of information) feading Christopher Wilson's The Gothic Cathedral: The Architecture of the Great Church 1130-1530. Finding myself poring through the Wasp and Nimbus maintenance manuals as much as I have been recently I was struck by this excerpt on pp.11-12 of Wilson's introduction: I find myself puzzling out a particular structure on the Wasp and not infrequently sensing the unrecorded ghosts of those responsible for the nature of the original designs, feeling my way around the decisions they took and the constraints which they faced. An interesting parallel! Tony
  5. I think you've just Tweeted on Britmodeller Edward; I didn't think this was possible to do!
  6. A copy of Christopher Wilson's: arrived unexpectedly early. Equally unexpected is the Introduction providing some inadvertent parallels with aircraft design! To assist with lounging on the sofa reading such volumes on winter evenings, one of these 'Saturn' programmable LED floor lamps from FIMEI: Will probably be affordable to buy Twitter too in a couple of weeks the way things are going there under EM if anyone wants to club together?
  7. Detail looking super even before onset of super detailing Martian. Crack on to the murmuring of an appreciative audience.
  8. Fascinating progress Jerzy and tha ks for introducing me to the Aber brand! Tony
  9. It would not surprise any of us if you'd been hanging aircraft from those pipes Ced, to be quite honest.... As for the paste, I seem to remember you buffing up some very fine results from it in the past so looking forward to seeing this too. Hope you warm up imminently.
  10. Order of Service: I heard you say that in the same tone as it appears in Genesis' Supper's Ready.... Endless? No-ooooo00000000 - -0000OOOooooo...... Thanks Ian - you've made an old plumber very happy.... As is now the custom on this thread, we begin with a correction to- or perhaps stated less negatively - a better understanding of, previous work, in this case on the reduction gearbox slung below the rear of the Nimbus. As an area largely obscured from one side by the oil cooler and on the other by the gearbox details themselves, I'd built an essentially symmetrical structure with a free turbine governor on both sides (largely as blanking plate fittings in the front of the gearbox made it look that way): I'd grown more suspect about this arrangement due to hints of a different arrangement of features in unmounted Nimbii and because of the messy way this made the power train from the oil cooler punch into the side of that port governor at a 90 degree angle. Thankfully the Nimbus manual has a couple of explicitly annotated images of this region from that confirm there instead of a governor to port as well, there is a more truncated feature whose sole purpose appears to be providing power to the oil cooler fan like so: That now looks: a) more accurate b) a damn sight neater than my original attempt. Btw, that spigot-like think sticking out the top of that amended feature does appear to be tilted backwards on the real thing; there's a thin pipe which runs through it, the prupose of which I still have to discover. Also visible above is the way I've covered over the original bare front/plug arrangement of the turbine governor to stbd with a typical protective moulding used on operational aircraft: There are multiple close-ups of this feature on the web, some museum/display relics having no cover at all, some more recent airframes with slightly different version of the moulding: this just happens to be the version I prefer for the way the ripples in the fabtric suggest the rigid parts underneath. That blade-like brass feature is the speed selector lever for the governor's actuator peaking up above from isiode the engine deck: Even though a lot of that will be hidden by intervening structures and shadow on the model - as on the real thing - I'm more content with the accurate 'feel' which this gives that region now: I've probably become guilty by this stage of over-explaining a lot of the design-work on various small features - my excitement at actually starting to gain a *very* basic understanding of how this fantastical assemblage of parts is put together and controlled in order to dangle humans over deep waters is not necessarily the most rivetting of spectator sports however , so I'll dial back the discursive as much as possible... The next part of the oil system to sort out were the suiute of connections to and from the oil cooler. Frankly I had no idea the principle this cooler worked on but by following the plumbing you can see that it it essentially a cylinder with two sets of cooling loops built around it - a front set for the engine itself and rear set for the main rotor grearbox. Here are the connections for the engine ones in place: - and their corresponding junction with pipework from the engine: Over to stbd there's a correspondingly chunky 'breather union' pipe leading from the oil tank: I know the top of that feature looks like I made a right Hames of the bend but it really is that (tri)angular looking on the real thing! The other end of that disappears down into the bowels of the deck through a critical series of bends which keep it free of the ECU mounting: Directly back from that engine mount is another prominent feature of the deck - that perforated triangular tower onto which (I'm assuming due to shape and connections) is mounted an oil filter for the gearbox feed: With the original being made from thin metal sheet this simply has to be a PE part. There's no way to fold it from a single part however so the front face can be soldered on separately and the printed filter attached then from the rear: Pipework runs both forwards and inwards from this feature: Forwards via a loop beneath the ECU mount and in front of the breather pipe, to attach to the oil pump at the bottom of the MRGB: Inwards across the engine deck to attach to a rear loop on the oil cooler: In the above you can also see the other MRGB cooler pipe which runs along the port lip of the engine deck tray before bending upwards to plug into the MRGB halfway up the side: In summary then, this is the - still unfinished - state of the Nimbus' oil system so far seen from underneath: I'll need to catch my breath before studying the remaining runs which enter the engine at various points as well as features to the rear of the gearbox. Then I'll need to add a bit more to the top of the MRGB as there's oil pipes involved there too. Every now and again you have to remember to switch all the surounding features back on in order on to make sure that your pipework is in keeping with the surrounding features: Already it's getting very complex under there and I know in very short order this risks becoming a mass of detail which later causes major problems trying to subsequently which parts go where and so forth so I think before the next session, I'm going to start colour-coding up the different sections of pipework in order to remember what they are and how they're going to be printed as individual parts later on. I'll leave you today then with an un-narrated series of renders showing progress around engine and deck so far: Thanks for looking-in and take care until next time. Crocks of gold all round barman please: Tony
  11. I'm no vet Alan but I don't think that chicken is going to be laying you any eggs at this stage...
  12. Apologies for delay Mr. Tank 63 - consider your name on the list for the next batch! PM me if you want anything extra in the way of masks above, otherwise I'll put you down for the standard kit - I should have some more ready in about 3 weeks. Kind regds and thanks for your interest, Tony
  13. Anothing cracking body of work Alan - reckon you made the right call on replacing the door hinges (selflessly said the bloke who's looking to nick your faultless solution to use on helicopter doors...) Could it be picking up the reflection of your tan after that holiday in Scotland?
  14. - perfection. Those bits looks bloody wonderful Steve. I still haven't gotten used to those highly effective custom support structures which you've been pioneering; cue a bewildering five minutes thinking that it was all a single piece and 'where the hell is there a kazoo-shaped feature on the Hawk?'
  15. In order of acquisition today: 1. A baggy and infinitely comfortable gentleman's cardigan, despite not being a gentleman. 2. John Burrow's: 3. Eric Hobsbawm's: 4. Seafood chowder and wheaten bread for two.
  16. Apologies in advance if I pass out during today's update but I bought a shapeless cardigan of the 'comfortable' variety today and as a consequence am sitting here chronically overheated but resolutely refusing to take it off. In terms of overall style it won't worry Dave Starsky - and possibly not Rab C. Nesbitt either after it's been on for a week solid - but it's the first I've ever owned. Bit emotional tbh... I shall remind you of this wildly optimistic statement as you construct the oil feed system of your 1/72 Scout from strands of human hair Bill... Characteristically kind sentiments from you Mike - for which my thanks. There is no way that I could consider reproducing many of said details without your valuable input on the project. Nice one Adrian - now you know how I feel watching you producing those biplane masterpieces! And who could blame you? Saw this whilst browsing a secondhand bookshop in town earlier and thought of you: Thanks Chris. Wer'e going to be hanging around this part of the helicopter for a while yet so I may as well make the scenery pleasant. I'm actually just basing this whole section of the Wasp on the tangled wires from my mobile's headphones but don't tell anyone Pete. Things were so bad in the UK during the 70s that for a period 'foreign' food was only available to the public in the form of model kit: Amazingly all four of these meals tasted identical. Almost becoming de rigeur on this thread at present is the need to start with a corection to my previous work. You might recall a while back when working on the MRGB that I realized the front opening of the Nimbus' air intake wasn't a complete circle but had a cut-out to accomodate the oil pump sticking out of the stbd rear side of the gearbox? As that region of the engine is so heavily masked from view by intervening features I realize now that I was fooled by the cutaway drawing in the Nimbus brochure over on the Jetpower site into making this cut-out symmetrical to both sides of the intake. The Nimbus manual I bought last week has already earned its keep by making me aware that this is wrong. The port cut-out in that diagram is a cutawy feature of the drawing to show inner detail, but confusingly makes it look like an actual feature. Long and short of it is that this has been corected now: As this involved unpicking a lot of design steps along the timeline it was quite a challenging task to remember which which way I'd built some of the features on the side which also needed bringing lower down the stbd side of the intake casing: A-aaaand that same error explains why I had so much trouble plugging the oil feeds from pump no.1 into the bottom of the oil tank and had to angle them (inaccurately) downwards to fit. Now they can run freely at the correct angle due to there being more space lower down to fit behind the front engine support: This also let me redraft those two pipe runs in a more pleasingly accurate layout amongst the neighbouring runs. I'm currently calling that above shot 'Pete's Camden'.... Corections done it was time to go forth in a spirit of optimism and fortitudfe to generate some new potential errors. The oil cooler - no escaping the need to build it as this stage as it needs pulmbing in to the oil network. You can't miss it, said cooler being that blooming great thing that lies along the port side of the engine deck like a cross between a hairdryer and a err...well if you've seen the 'Hatchet Harry' scene in Lock Stock & Two Smoking Barrels, you'll know what I mean. Unfortunately the oil cooler section is missing from the oil sysem chapter in my copy of the manual, along with the 'lethal warning' section: - the latter filling me with a certain level of concern that I'll end up responsible for a scale workplace accident later on..... I do have a detailed drawing from the Wasp manual itself for both cooler and mounts though so along with photographs, enough to proceed with. In fact this is one of those occasions when photographs can also lead you in the wrong diretion as many of the close-up photos of this region out there have been taken with either wide-angles lenses or smartphones which give misleading visual cures regarding the relative size of the cooler to the engine. I meant to post this excellent tweet a while back in order to help people understand why drawing visual conclusions from photography can lead you astray if you don't realize the inherent level ofdistortion involved: Also baffling me from photographs alonewas the question of how the oil cooler was in fact powered, but which the Nimbus manual has also thankfully cleared-up (I'll get to that in a moment). I won't bore you with the drawing process but this is the basic structure of the setions bolted together: Reverse (and less visible) side: Two things to note with the above view. Firstly the front shape of the intake: the manual drawing shows this as circular yet unless (ironically!) I'm being fooled by the photography, the opening also appears to have a pronounced 'beak' like profile in many front 3/4 images of this region: Image credit: Key Aero Is it possible that like the exhaust fork there were two different variants of this item? I've no idea. Secondly, (as you've no doubt surmised) that square peg at the rear is most definitely not an authentic feature but returns us to my earlier mention about where the oil cooler gets its power from; the peg will enable the cooler to fit up accurately against the power train which protrudes from the reduction gear box and feeds into it: You can only see the merest hint of that structure in a small handful of photos so it wouldn'tt have been able to build tthatat all without access to an engine manual. The three sets straps are an obvious feature but don't ask me what that tubular item bolted to the port side of the cooler is for. The fan at the back I did because rather weirdly I like doing such features: - even though a mesh will eventually obscure it: I also sculpted that non-rigid rubbery looking material that joins the fan to the cooler tunnel in order to give it some representative creases. Also necesary was to check the visual alignment between the cooler mounts and the engine deck. It should be possible to print the cooler and mounts as a single entity with the correct orientation however: The clips for the straps should print Ok at this scale, especially as I had to exaggerate the size of them slightly for strength: Further: and further: - and further way: I'll have the plumber round to get that connected up next time. Out shopping today to find that if you hang around long enough in life then Ice Station Zebra inevitably comes back into fashion: On the drive home from town later God sent me a message in the form of a cloud: It said: 'Zebra party, radar reports second flight of aircraft. Target Bravo. Same speed, same bearing. Estimated one minute behind first flight.' Dasvidania.... Tony
  17. A smashing return to form Alan, flooring, batteries, in fact the whole shebang is looking superb already. More passport action than a Jason Bourne movie too...
  18. Immaculate. Right down to the last. Another wonderful example of the art and craft Giorgio. (Or should that be 'The Art & Craft of Giorgio'? )
  19. Welcome back you old swinger, it really isn't the same without you. 'Avon & Somerset Force To Offer Modelling Tools Amnesty.' Police Life, November 2022.
  20. Enjoying your work here Zack and a very engaging choice of subject. Lovely progress. Regards, Tony
  21. Having just microwaved for lunch what the packaging referred to as 'French-inspired' lentils I've been teleported back to the era of (look away now @giemme) such abominations as: and other culinary atrocities of the 1970s. You could stretch a point and say that these lentils reminded you of France, but only to the same degree that Noel Coward insisted a perfect Martini could be made by waving a glass of gin in the general direction of Italy, *pressure intensifies..... Thanks Mike. I see that the spirit of Stewart Cowley is strong in this one. Going to save that and repost it when I see you painting a Vixen Giorgio! Given that programs like Fusion are largely just digital encapsulations of the techniques those designers practiced daily in analogue form, I've no doubt many of them would have speculated quite accurately about a future in whioch they could interact with their drawings more readily Keith. This is an actual shot of one of Westland's design offices during the 1960s! Nobody CADs likes a Caddis Fly with precious metals though Bill: https://leonardo.info/gallery/gallery314/duprat.html Whenever a work colleague and I (of a similar age) travel to check out equipment at a show, it's an unspoken agreement that due diligence will have been done with regard to the locations of facilities along the route... Is that a Kent saying to call someone a 'Jon' Chris? Look everyone - Alan's back! (Good to have you back safe and sound my friend. ) You're not wrong! I looked at my 1/24th converted dimensions again recently and at this scale it'll be the size of a small dog. Speaking of which: Let me explain..... First though I need to own up to reading photography wrong regarding the meeting point for the two pipes which run into the oil strainers on either side of the engine. In the last update I had the three-way connector for these positioned at the mid-point below the below the turbine casing. Having now acquired an engine manual though, it can be clearly seen that this feature is actually offset to starboard, so this has now been corrected: With that done, it was on to build the two scavenge pipes tht connect to the front of the reduction gearbox. In the last update these had been left at the mounting bracket on the side of the fuel filter; refreshingly it was a relatively straightforward task to to complete both of these pipe runs: Around about this point (and mercifully no later in terms of what follows) I discovered also thatboth oil pumps are angled outward somewhat rather than being oriented completly vertically, which explained why I was having trouble reconciling photographic information about pipe overlaps to the spatial environment in Fusion! There's still a couple of other pipes to fit to pump no.2 at this stage but I needed to pause work on it temporarily to slip over to port and bgein connecting up pump no.1, as tis is the more complex of the two and as a consequence influences many of the fittings around it. The short run of the compressor casing return pipe was a simple enough dog-leg fixture, attaching to a filter on the side of the casing: Everything from that point onward was decidedly non-simple in non-trivial ways... The two new runs overlaying the return pipe above are the main and supplementary feed pipes, one of which is plumbed in into the port side of the pump facing us whilst the other loops round underneath to attach to the opposite side of no.1: Every now and again I recall that these pipes all have to avoid features like the driveshaft: In the case of those feed pipes however, they also have to tuck in behind the front ECU supports. I had to curve thee pipes down prematurely at the start compared to the original; pipe diameters are 0.45mm so you can see just how tight it is for space inside there. Thankfully the supports will mask this sleight of hand. Also emerging from pump no.1 is the return pipe for the rear compressor which also loops round the rear of pump no.1 to plug into the compressor casing: Wasp's rich tapestry.... Also embroiled with pump no.1 are the supply pipes for the oil cooler: In fact there are one each of these attached to both pumps: In terms of a printing strategy for the oil system (this isn't all of it btw ) I'm working on a couple of approaches to minimize support damage and breakage of such fragile webs of parts: Customary appendix of renders to sumamrize progress then: No escaping the fact that I'm going to have to build the oil cooler next as that has to be plumbed into this lot. No wonder they're alread calling this 'Oil Cooler Weekend'... Anyway. You've been most kind to read this far. Hope you're looking after yourself. Tony
  22. '-and you'll never guess where I keep L.10.'
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