Cessna 175 Skylark Archives - FLYING Magazine https://cms.flyingmag.com/tag/cessna-175-skylark/ The world's most widely read aviation magazine Wed, 25 Oct 2023 20:52:19 +0000 en-US hourly 1 https://wordpress.org/?v=6.4.4 The Advantages of Shopping for Unusual Aircraft https://www.flyingmag.com/the-advantages-of-shopping-for-unusual-aircraft/ Wed, 25 Oct 2023 20:52:13 +0000 https://www.flyingmag.com/?p=186421 When it comes to buying a used aircraft, well-known models often come with high prices and a lot of competition.

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When shopping for an airplane, it can be beneficial to have bizarre tastes. For example, few people are in the market for a tiny, wooden taildragger with retractable gear and a side-by-side cabin nearly 10 inches narrower than a Mooney. Accordingly, when a Culver Cadet pops up in the classified ads, the asking prices are almost as small as the pool of likely buyers.

Conversely, when searching for a four-place airplane with a decent cruise speed, good useful load, capable of getting into and out of a wide variety of strips, and straightforward ownership and maintenance, one must get in line and prepare for painful asking prices. This was the conundrum faced by my friend Matt recently. His mission was all too common— take one or two friends on one- to three-hour trips, occasionally to grass strips, without having to deal with overly burdensome searching for parts or qualified maintenance.

Such airplanes exist, but as Matt soon learned, the popularity of this recipe makes it a particularly valuable one. He naturally zeroed in on the Cessna 182, as it does just about everything pretty well, and came away stunned at the asking prices. Indeed, a quick survey of the many examples listed on Trade-A-Plane reveals a median asking price of $160,000—and that’s excluding the second-generation 182s produced from 1997 onward.

To help Matt with his conundrum, I turned to a recommendation I commonly make—the oft-forgotten Cessna 175 Skylark. With a short, five-year production run from 1958-62, just more than 2,100 examples were built. This compares to more than 44,000 172s and more than 23,000 182s. 

Essentially a 172 with a different engine, the 175 came in two varieties—the early version with a straight, vertical stabilizer and a later version with a swept one. All have the “fastback,” lacking rear windows, and all were built with fixed landing gear. On the ramp, the only visual difference between a 172 and 175 is a slightly different cowl or a visible gearbox nested inside the main air intake. 

The 175 hp Continental GO-300 engine is the key differentiator. At its core, it’s the same 300-cubic-inch, 6-cylinder as the basic 145 hp C-145 or O-300. But as the “G” suggests, it’s a geared version of those engines and makes the additional horsepower by turning at a higher rpm.

The general consensus is that the GO-300 is a decent engine but that it comes with some concerns. For example, those who don’t operate it by the book tend to experience maintenance issues. But even if you treat it properly, parts are increasingly difficult to source, and an ever-shrinking number of shops are even willing to overhaul it. The relatively low, 1,200-hour time before overhaul (TBO) is also a concern.

So what makes the Cessna 175 an airplane I recommend to my friends? Do I take joy in setting up my buddies with problematic engines that drain their bank accounts before my eyes? Is this the kind of friend I am?

Certainly not. While I have indeed been known to orchestrate some truly legendary pranks in my college days, I’d never knowingly set up anyone for failure. Here, then, are three reasons I commonly recommend the 175 to prospective, first-time airplane owners:

Cessna 175 Skylark
This straight-tail 175 lacks the characteristic bump on top of the cowling, but if the propeller could be turned slightly, it would reveal the gearbox mounted to the front of the engine. [Photo: Brian La Fetra]

1) An upgraded engine transforms the 175 into a budget 182.

I once belonged to a flying club that had a 172M with a 180 hp Lycoming O-360, and it was an absolute beast. The additional horsepower resulted in shockingly short takeoff rolls, and the climb rates that followed transformed many departure-end obstacles into laughable curiosities. One summer, two friends and I loaded a week’s worth of camping gear into the back and set off for Oshkosh, filled to the brim and just below maximum takeoff weight. The Super 172 performed brilliantly, demonstrating that 180 hp is what the 172 airframe should have come with from the beginning.

Fortunately, multiple engine STCs exist for the 175, and the 180 hp Lycoming O-360 is one of them. Find one with this engine, and you’ll have a wonderfully capable airplane, simultaneously a high-performance 172 and budget 182. It will do everything reasonably well with none of the downsides of a 175 with the original GO-300 engine.

Alternatively, one can purchase a 175 with the stock engine, fly it for several years while putting money aside for a future engine upgrade, and then do that in lieu of an overhaul. The existing GO-300 and propeller won’t command much when sold second hand, but they will take a chunk out of the total upgrade cost. For those of us with modest cash flow, this option might be the best way to get into a decent airplane that has the option to be upgraded to a truly great one.

2) A 180 hp 175 is well-balanced in multiple ways.

Generally, bigger engines provide more power and higher performance. But beyond a certain point, any vehicle will be hindered by the larger engine in terms of overall balance. Like a Mazda Miata with a V-8 shoehorned into the engine compartment, an airplane with an overly large powerplant might lose some of its best handling qualities. 

Such is the case with the 175’s Continental O-470 STC. Sure, it provides 230 hp, but owners report a terribly nose-heavy aircraft with a CG right at the forward edge of the envelope and correspondingly heavy and difficult flare, particularly at higher flap settings. Additionally, the big engine has six cylinders to care for and comes with notably increased fuel burn. Like the tale of Goldilocks and the Three Bears, the middle, 180 hp mama bear provides an ideal balance of qualities beyond horsepower.

3) Nobody remembers to search for 175s.

With apologies for any added exposure this article might provide to the aircraft shopping community, one of the best things about the 175 is its obscurity and anonymity. When performing their daily (or hourly) sweep of listings at Aircraft For Sale, most shoppers navigate directly to the 172 or 182 listings without even thinking to search for 175s. To be fair, pickings are slim (though there are some to be found). As mentioned, only 2,100 were built, and 896 remain active on the FAA registry.

But an occasional browse through the listings sometimes reveals hidden treasures. Over the past year, I’ve spotted 180 hp 175s listed for well below the asking prices of 180 hp 172s and certainly 182s. Even if the Skylarks in hiding are presented with the same pricing, there’s a good chance you can find some outstanding, undiscovered examples. This can be your ticket to scoring a great airplane for a fair price in the cutthroat shopping environment.

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Smaller, Lighter Cessna 327 ‘Mini Skymaster’ https://www.flyingmag.com/smaller-lighter-cessna-327-mini-skymaster/ https://www.flyingmag.com/smaller-lighter-cessna-327-mini-skymaster/#comments Tue, 27 Jun 2023 15:41:46 +0000 https://www.flyingmag.com/?p=174576 The 327 was Cessna’s solution to a downsizing opportunity. Then it ended up in a NASA wind tunnel.

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Once upon a time, GA aircraft manufacturers pursued market niches with the ferocity of wild dingos. When marketing teams identified a potentially underserved customer segment, they wasted no time introducing minor variations to existing models to accommodate it. Compared to today’s offerings, the resulting variety of aircraft was spectacularly broad and varied.

When Cessna determined some customers would be willing to pay a bit more for a slightly more powerful 172, for example, the company introduced the 175 Skylark. This was little more than a 172 with a different engine, but the company was in pursuit of new market segments and opted to advertise it as an entirely different model.

Similarly, Beechcraft identified markets for both full-sized and smaller light twins in the forms of the Baron and Travel Air. With four seats instead of five or six, thriftier 4-cylinder engines, and significantly lighter weight, the Travel Air was presented as a simpler, more compact solution that emphasized economy rather than outright performance.

One of the few publicly available photos of the Cessna 327 prior to its time with NASA. In this view, the compact fuselage, sleek windscreen, and lack of wing struts are evident. [Credit: Cessna] 

Fresh off the successful launch of the unique, twin-boom Skymaster, Cessna began exploring the same opportunity in 1965. Recognizing the market might have room for a smaller, lighter version of the Skymaster, it built a single prototype of the Cessna 327. While it was never given an official name, various sources use the nicknames “Baby Skymaster” and “Mini Skymaster.”

The rationale behind this model was likely rooted in findings shared by other manufacturers—that many owners and operators of twin-engine aircraft travel alone or with only one passenger most of the time. For these customers, it made little sense to haul around excess seats and cabin space while burning additional fuel and paying more to maintain larger, 6-cylinder engines. The diminutive Wing Derringer was an extreme example of minimalist light twins. 

The 327 was Cessna’s solution to this downsizing opportunity. Essentially a 172-sized Skymaster, it was both smaller and lighter than the larger centerline twin. Equipped with two 4-cylinder, 160 hp IO-320 engines, it utilized Cessna’s strutless, cantilever wing, and raked windscreen, similar in design to the 177 Cardinal series. 

A three-view diagram of the Cessna 327 reveals its blend of Skymaster layout with Cardinal design. [Credit: NASA]

The smaller size and sleek lines gave the 327 a sporty look compared with the more utilitarian Skymaster. But like the Skymaster, the front seats were positioned well ahead of the wing’s leading edge. Combined with the lack of wing struts, this would have provided outstanding outward visibility and positioned the 327 to be a favorite for aerial photography.

Cessna never published any dimensions or performance specifications for the 327. Using comparable light twins with the same engines as a reference, we can predict the 327 likely would have had a maximum takeoff weight of 3,500-4,000 pounds, with a maximum cruise speed of 150-175 mph. Fuel burn would also have been correspondingly lower, roughly on par with a Piper Twin Comanche with similar engines.  

First flight took place in December 1967, and Cessna flew the 327 until the following year, logging just less than 40 hours of test flights. At that time, the airplane was presumably placed into storage, and the registration—N3769C—was canceled in February 1972. But unlike many other prototypes, the 327 would serve one last purpose before vanishing forever.

With the front propeller removed, NASA studied various configurations of propellers and shrouds to learn more about propeller noise and efficiency. [Credit: NASA]

The airplane’s final role would be filled at NASA’s Langley Research Center. There, it was used in the full-scale wind tunnel, or FST, for noise-reduction studies. This research was conducted by Cessna, NASA, and Hamilton Standard in 1975 to evaluate various propeller and propeller shroud designs.

The NASA team removed the front propeller and fitted the 327 with an assortment of three-blade and five-blade options housed within a custom-built shroud. Perhaps surprisingly, the shroud was found to actually increase propeller noise slightly as opposed to reducing it as expected. The airplane was later fitted with Hamilton Standard’s experimental “Q-Fan,” a ducted fan design that was touted to transition from full forward thrust to full reverse thrust in less than one second. 

No official record exists outlining the 327’s ultimate fate. The apparent lack of any information beyond the 1975 wind tunnel testing suggests the airplane was scrapped after that. This was perhaps part of a contractual agreement with Cessna, as the company was known to have discarded other prototypes during that era.

We’re left with a smattering of photos and a few piles of technical reports. Coincidentally, with the introduction of electric vertical takeoff and landing vehicles and a renewed interest in noise-reduction technologies in the GA sector, the studies might prove valuable even today. And for that matter, a compact, efficient piston twin with the safety of centerline thrust might as well.

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