The Maple Seed Flies - Auto Gyro Design Quest

[X] A radical new design meant to work alongside the Navy.

Medical is cool, but I suspect it wouldn't get a lot of purchases, to be frank. I mean, maybe I'm way off about the state of Akitsukuni healthcare, but I don't picture a lot of hospitals there building helipads and buying helicopters in order to quickly rescue severely injured people on difficult terrain.
 
[X] A C.5 with a decent flight speed and a good fuel tank, intended as an observer.

Nothing else is useful until the world has a second qualified autogyro pilot. This is the least lethal way to achieve one.

I mean, we could just chuck someone else in the C.5 and hope. But I must wonder if we're the first mad Europan with a dream and independent wealth to invent the autogyro, or merely the first to survive the experience.
 
[X] A radical new design meant to work alongside the Navy.

I don't think we can generate enough lift right now to be a useful medical chopper. Besides who knows, maybe Haruna will dislike autogyros less than planes :D
 
I don't think we can generate enough lift right now to be a useful medical chopper. Besides who knows, maybe Haruna will dislike autogyros less than planes :D
"So... It's like an aeroplane except instead of having fixed wings it has rotors that the wind spins? And if the rotors ever don't spin, it crashes instantly killing everyone aboard? Spirits, I'll take my chances in a submarine, thanks."
 
We've proven that we can build one. Next we need to prove that other people can fly them.
[X] A C.5 with an additional seat, good inflight stability and intended as a trainer.
 
[X] A C.5 with an additional seat, good inflight stability and intended as a trainer.

A second qualified pilot will be a big deal, and a trainer is a good demonstration and testbed aircraft since it's got a second seat for arbitrary purposes, or space and mass allowance from one to use for something else if needed. It's not as imediately marketable as a dedicated observer, but isn't that much worse as an observer and is a major asset for future development.
 
2.1 The Sick Boat
CW: There's a fair bit of early 1900s parochial racism in the early parts of this chapter.

Sitting in the office, looking over reports that you had written, you reflect on your short time in Akitsukini. The success of your short flight in the C.5 obviously featured, the memory of soaring back and forth over the coastline with the rotor thwip-thwipping above you still fresh in your mind. But that flight could have just as easily been over the familiar Southern hills and valleys of Hesperia, your home and motherland. No, what you were really reflecting on, as you stared out your window at a passing omnibus, was the familiarity of it all.

From what you'd seen, Akitsukini was a nation of hardy, quiet, respectful folk; they rarely complained about their assigned lot. Oh, they work and they socialise and they party - Dios Mio, do they ever party - but despite their shared attributes with the other peoples of the world, they are still more reserved and inward-looking than any others you have met. Even the icy-boned Varnmarkians were more sentimental than this Oriental breed.

That served as an even more apt point of comparison than you'd intended. When you'd last spent time with friends in Varnmark, complaints about the recent civil war had been as constant as the serving of foul vodka. Here in Akitsukini? Not a single murmer. Oh, it wasn't as if everyone simply pretended there had been no war with Caspia, but to the average onlooker, Akitsukini was as peaceful now as it had been during its decades as the hermit kingdom of the far east.

Both nations had suffered, but where the Europans grumbled and fussed about the devastation of their favourite restaurant in Polyapavlosk, the locals simply… went on with their lives.

Of course, what people said out loud was only part of the story. Although you've hardly wasted your free time wandering the streets of Kanagawa like some benighted tourist, you haven't let your mind or eyes be idle either. Even in the more well-developed parts of the city, the signs of conflict were still all around you. The walls of council buildings and police stations still bore the remnants of worn recruitment posters, beautiful monochrome depictions of brave Akitsukini soldiers rushing across no-mans-land, or the stylish lines of Ohara aircraft soaring across open skies. The weather's brutalizations were clear; raindrops had left long trails down the artwork and smeared the poorly printed ink. It seemed at a glance as though the brave soldiers were crying.

The posters were hardly the only evidence of the conflict. The government's rationing program was still in effect, although you were hardly poor enough for its impact to register. Occasionally, you would pass a veteran on the street, maimed by the war and quietly hoping for the charity of a passer-by. People - though not your sort of people - were still suffering the effects of the war with Caspia, and the occasional sign of that only made it more intolerable to be around them.

The nation's pride was unthreatened, and so was its dignity - indeed, their victory over Europa's poorest cousin had bolstered both in the eyes of the world. But the people of Akitsukini were wounded both physically and spiritually. What could you do to change that? Nothing, really. You weren't a member of the aristocracy here, hell, you barely were back home. You held no sway over politics, no patrician's right to dinner invitations or consultations on policy. All you could do was design aircraft.

But designing aircraft was hardly nothing. The C.5, both the one that remained back home in Hesperia and the one you'd constructed here, were simply prototypes, proofs of concept that had no real bearing on reality. Or, in more practical terms, they had no chance of being sold as anything but a novelty. But Mr. Asano is a businessman; he didn't hire you to create novelties, he wants production lines and purchasing contracts, something that could rival those Akibara people he was always going on about. Therefore, if you wanted to remain in his employ, you needed to identify a need and produce a design that somebody would want to buy.

You pull out a notepad and start scratching out ideas with a sharp pencil. An autogyro isn't going to be a dogfighter on par with the Dragonfly, and it's equally unlikely the Navy will take a risk on a float-'gyro when they have the whole ocean as a landing strip. You have to focus on your aircraft's particular strengths and weaknesses if you're going to have any success in this business. A low stall speed, the shortest take-off or landing run ever seen and incredibly safe failure modes - these are the things that make an autogyro unique. These are the things to draw upon in creating something new.

You raise your pencil from the paper and look at what you've drawn, seeing it properly for the first time. You've got it!

- - -

"Good afternoon team." You say to the gathered group, though "team" might be a tad grand. You have a secretary, two actual employees, and a nominal translator who seems to be around mostly out of curiosity rather than an ongoing need for their presence. By now, you'd picked up enough of the language to communicate with your subordinates, even if you were still unsure of your ability to carry on a casual conversation with them. Still, the translator's presence provided comfort, in the knowledge that any miscommunications would be swiftly resolved.

Tomomi smiles at your glance, and you wonder for a moment whether they can hear your thoughts. "The C.5 was a success, I'm very pleased with our work, so let's keep it up going into the C.6."

You lay down a slightly neater sketch on the workbench you're gathered around. On it is a half-finished drawing of an aircraft significantly larger than the C.5. A pilot and a co-pilot sit in the forward section, while rather than the narrow wings of its predecessor, it has a long, low structure extending a couple of feet out on either side. You had helpfully labeled those sections with 'Stretcher', although you'd had to do it in Hesperian. Your understanding of the written form of Akitsukini's language was still woefully childish, and hardly up to the task of a technical diagram.

"You want… a transport plane? A scout? I'm not sure what I'm looking at." Ichiro, the engine expert, folds his arms across his neatly pressed shirt and squints. "I thought we were planning to take things slowly, develop a trainer before more specialized models. We can't rely on you to fly everything we produce."

"A trainer wouldn't sell. It'd be useful, sure, but who are we going to sell them to? No, the Navy is always on the lookout for new aircraft." Michi taps on the bench, leaning in to get a better look at the drawing, before glancing back up at you. "This is a naval scout, yes?"

"No. And before you ask, it's not for the Army either." You snap, a little more harshly than you had intended. Michi recoils and you offer a gesture of apology. Something about selling this 'gyro to the military has your hackles up. Maybe it was spending all morning thinking about the wounded.

"No, this, ladies and gentlemen… and others," you make sure to add, hoping your correction was quick enough that Tomomi didn't glare at you, "This is a hospital transport 'gyro."

This proclamation is met with a beat of silence. Then another. You had hoped for a positive noise, a word of appreciation. Instead, the four of them are staring at the drawing. Ichiro strokes his chin, Tomomi clutches a folder to their chest. Nothing is forthcoming until finally Kiko looks up and meets your eye. She smiles warmly and it births a tiny flutter in your chest.

"I like it!"

That was good enough for you.

Choose your initial priorities for the design (choose two):
[ ] Power. It needs to be able to everything it needs and more.
[ ] Safety. It needs to be secure if anything goes wrong.
[ ] Sturdy. It needs to be able to land anywhere.
[ ] Multi-purpose. It needs to be able to land anywhere.
 
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[X] Safety. It needs to be secure if anything goes wrong.
[X] Sturdy. It needs to be able to land anywhere.
 
[X] Safety. It needs to be secure if anything goes wrong

I don't want to build a hospital airshio that kills people :)
And i guess
[X] Sturdy. It needs to be able to land anywhere

@4WheelSword I think you may want to rephrase Power option. Right now it implies that picking other option might make our transport useless. I'd change it for something 'It needs to carry lot of specialized equipment along with its cargo'. Unless that implication was planned of course :)
 
[X] Power. It needs to be able to everything it needs and more.
[X] Sturdy. It needs to be able to land anywhere.

Still on the fence about power, particularly given Damn Akitsukuni Engines is still a thing.

Edit: Decided we need the power. Baseline safety of autogyro should be good...I hope...
 
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[X] Safety. It needs to be secure if anything goes wrong.
[X] Sturdy. It needs to be able to land anywhere.
 
[X] Safety. It needs to be secure if anything goes wrong.
[X] Sturdy. It needs to be able to land anywhere.

Being able to land on anything - so, probably something like hybrid floats or something like them - would be nice, but probably not workable at the current tech level without compromizing things too much elsewhere
 
[X] Power. It needs to be able to everything it needs and more.
[X] Sturdy. It needs to be able to land anywhere.

I figure this is already going to be quite stable and quite benign in failure as a consequence of the basic design, but what is being asked of it relative to the engines avaliable is demanding enough that focusing on it may be important.
 
[X] Power. It needs to be able to everything it needs and more.
[X] Safety. It needs to be secure if anything goes wrong.

We need to be able to do short strip operations, which more power helps with, and we need to be able to operate at altitude because Akitsukuni has loads of mountains. Rotorcraft struggle more than fixed wing types with altitude, and in 1915 (about where Gaya is technologically for aircraft) the all time flight altitude record was a hundred metres lower than the summit of Mount Fuji.
 
[X] Power. It needs to be able to everything it needs and more.
[X] Sturdy. It needs to be able to land anywhere.

Autogyros are already reasonably safe (y'know, for the time). Best to get a system that works well rather than one that fails safely.
 
2.2 Questions of Procurement
The C.6, or the "Medic's 'Gyro" as it was quickly becoming known, evolved with a pace you couldn't have imagined previously. There was a noticeable benefit to working with a skilled design team and proper equipment, rather than drawing alone in a rented barn in the Hesperian countryside.

The drawings took shape over the course of a busy week; your sketches go from rough ideas to formal concepts, from formal concepts to fully realised designs. Your C.6 is turning out to be quite the ugly little aircraft.

A massive rotor, far larger than the C.5's, sat atop an ungainly looking body. The pilot sat between two short yet remarkably slender wings, with a passenger seat - presumably for a doctor or walking patient - ensconced behind them.

The first truly radical feature of the design (putting aside the inherently radical nature of the autogyro as a concept) was the stretcher bays. Two inserts below and behind the slightly angled wings, just long enough to fit and secure a stretcher in each. These would allow the aircraft to transport victims of accidents, long-term patients, or even the elderly when necessary. Trains had quickly become the new lifeblood of mountainous Akitsukini, but they had serious limitations - the reliance on tracks and slow climbs meant they were unable to reach truly remote villages. But an autogyro that could land in an open field and had a top speed of over a hundred kilometres an hour? That would be much better suited to the task.

You sat down to a meeting with Ichiro, the engine fitter who thus far had had little to do but stand around and do as he was told. He had a set of briefs with him, potential engine choices for the new aircraft;

"We have a few options, though they're limited by rules from the war. The Army and the Navy still get first pick." He made a face, clearly not thinking much of either service. He hands over both of the information packs he's gathered, though neither is little more than a handful of notes and sketches relating to each engine design.

You quickly apprise yourself of the contents. The Hornet was a flat-6, a row of cylinders that fed the driveshaft, while the G-series rotary-9 was, well, a rotary engine. From a glance at the spec sheets, the G-series was likely the weaker of the two, but the Hornet would require a mounted radiator, which would significantly increase the 'gyro's weight.

Then, there was the third option. If you were making this choice on your own, you'd have taken the Hartmann HII.c Straight-6 without thinking. It was the most powerful of the three options by far, even if it was significantly thirstier and heavier. Unfortunately, your enthusiasm was dampened upon finding a note from Ichiro tucked into the dossier, pointing out that the import limits on Europan engines would make procurement extremely difficult. You might be able to acquire an engine for testing, but getting a hold of enough for a production run ran the risk of massively inflating development costs.

You decide to go with:
[ ] Light, weak and cheap - the Rotary
[ ] Flat Strength - the Hornet
[ ] Maximum Power - the Hartmann
 
Well the rotary is and remains flatly unacceptable for civilian purposes on grounds of "spraying your passengers with boiling and/or aerosolized laxative is not a good way to get repeat business". And if we want this to actually get adopted and be useful, the Hartmann seems unlikely to work out in practical terms. I think our only option is to take the Hornet and do our best with it.

[X] Flat Strength - the Hornet
 
I assume all the engines will get us up to at least 100 kph?

What's the reliability on the engines? No point going with a cheaper one if it's harder to maintain or is more likely to fail in flight.
 
[X] Flat Strength - the Hornet

someday, we'll make our own engine with blackjack! And hookers!
 
[X] Flat Strength - the Hornet

Carrying a couple patients, a doctor, and a pilot means we're gonna be heavy anyways. Stronger but heavier engine is a bad call for lightweight stuff but good for heavy stuff.
 
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