Regan Brown
The Piper Arrow is an aircraft that has been in production since at least 1969, with the 200-hp version becoming standard in late 1969. The Arrow is known for being an easy airplane to fly, with a full-flap stall speed of only 45 knots. The Arrow's range is quite good, with 72 gallons of usable fuel. One owner of a 1977 Turbo Arrow reported a fuel burn of less than 12 GPH while flying at 6,000 to 15,000 feet and speeds of 142-162 knots. Another owner of a Turbo Arrow calculated a fuel burn of 11.8 GPH while cruising at 65% power, which gave him a range of over 900 nm. The Arrow II has a fuel burn rate of about 10.15, while the Arrow III has a burn rate of 12.7. The non-turbo version of the Arrow has a maximum speed of just under 140 knots at 7,000-10,000 feet, burning 11-11.5 GPH.
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What You'll Learn
- The fuel burn rate of the Arrow II is 10.15 gph for 50 gallons
- The Arrow III has a higher fuel burn rate of 12.7 gph for 77 gallons
- The Turbo Arrow has a range of over 900 nm at 65% power
- The Arrow's takeoff and landing require less than 2000 feet
- The Arrow is not worth the cost for a slight speed increase
The fuel burn rate of the Arrow II is 10.15 gph for 50 gallons
The fuel burn rate of the Arrow II is 10.15 gallons per hour (gph) for 50 gallons. This burn rate allows the Arrow II to achieve a climb rate that is superior to that of the Arrow III. The Arrow II's fuel efficiency is further enhanced by its ability to reach higher altitudes, where it can take advantage of favourable tailwinds and adjust its fuel burn accordingly.
The fuel burn rate of the Arrow series of aircraft is a critical consideration for pilots and owners. The burn rate directly impacts the endurance and range of the aircraft. A lower fuel burn rate can result in extended flight times and reduced fuel costs. Additionally, the ability to utilise tailwinds and adjust fuel burn rates at higher altitudes can further improve the efficiency of the Arrow II.
The Arrow II's fuel burn rate of 10.15 gph is relatively efficient compared to other aircraft in its class. For example, the Piper Arrow IV, a more recent model, has a fuel burn rate of 11 gallons per hour, which is slightly higher than that of the Arrow II. The Arrow II's fuel efficiency contributes to its overall economical performance, making it a popular choice for pilots and owners seeking a cost-effective aircraft.
It is worth noting that the fuel burn rate of an aircraft can vary depending on various factors such as altitude, wind conditions, aircraft loading, and power settings. Therefore, the actual fuel consumption of the Arrow II may differ from the standard burn rate of 10.15 gph under different operating conditions. Nonetheless, understanding the typical fuel burn rate provides valuable insight into the performance and efficiency of the Arrow II aircraft.
Additionally, when considering the fuel burn rate, it is important to factor in the aircraft's fuel capacity. The Arrow II has a fuel capacity of 50 gallons, which, when combined with its fuel burn rate, provides an estimated endurance and range for the aircraft. By carefully managing fuel usage and considering factors such as reserve fuel requirements, pilots can optimise the efficiency of the Arrow II during flight planning and operations.
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The Arrow III has a higher fuel burn rate of 12.7 gph for 77 gallons
The fuel burn rate of an aircraft is an important consideration for pilots. It can determine the feasibility of a flight, the cost of the journey, and the overall efficiency of the aircraft. The Piper Arrow series of aircraft have been popular choices for pilots, and within this series, the Arrow III stands out for its fuel capacity and burn rate.
The Arrow III has a fuel capacity of 77 gallons, which is a significant increase from the Arrow II's 50-gallon capacity. This extra fuel capacity comes at a cost, as the Arrow III has a higher fuel burn rate of 12.7 gallons per hour (gph). This burn rate is notably higher than the Arrow II's approximate burn rate of 10.15 gph.
While a higher fuel burn rate may seem like a drawback, it's important to consider the benefits that come with the Arrow III's increased fuel capacity. With 77 gallons of fuel, the Arrow III offers a longer range and extended flight times compared to its predecessor. This can be particularly advantageous for pilots who need to cover longer distances or require more flexibility during their flights.
Additionally, it's worth noting that fuel burn rates can vary depending on various factors such as altitude, aircraft loading, and power settings. For example, at higher altitudes, the air density decreases, which can impact the engine's performance and fuel efficiency. Similarly, the number of passengers and baggage on board can also affect fuel consumption, as a heavier load requires more fuel to maintain the same performance.
In conclusion, while the Arrow III has a higher fuel burn rate of 12.7 gph for its 77-gallon capacity, this increased fuel burn rate should be considered alongside the benefits of extended range and flight times. Pilots need to carefully evaluate their specific requirements and flight conditions to determine if the Arrow III's fuel efficiency aligns with their needs.
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The Turbo Arrow has a range of over 900 nm at 65% power
The Turbo Arrow is a reliable aircraft for business transportation. It can fly at high altitudes, ranging from 6,000 to 15,000 feet, and has a speed range of 142-162 knots. The Turbo Arrow's fuel efficiency is impressive, with a fuel burn of less than 12 GPH, resulting in economical transportation with operating expenses of less than $90 per hour.
The Turbo Arrow's range capabilities are further enhanced when it is operated at lower power settings. At 65% power, the aircraft can achieve a no-reserve range of over 900 nm. This extended range is a result of the aircraft's efficient fuel burn at this power setting, which is calculated to be 11.8 GPH. This range capability provides significant flexibility for cross-country flights and allows for one-stop transits across the lower USA.
The Turbo Arrow's performance at 65% power is notable, and it is important to consider the trade-off between speed and range when operating at different power settings. While the aircraft can achieve higher speeds at higher power settings, the fuel burn will also increase, reducing the overall range. Therefore, operating at 65% power offers a balance between speed and range, making it a suitable setting for long-distance travel.
The Turbo Arrow's range of over 900 nm at 65% power is a testament to its efficient performance and makes it a versatile aircraft for various missions. This range capability allows pilots to plan long-duration flights with confidence, ensuring they can reach their destinations without frequent fuel stops. The aircraft's ability to cover extended distances at this power setting expands the operational possibilities and contributes to its appeal for both business and personal transportation.
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The Arrow's takeoff and landing require less than 2000 feet
The Piper Arrow is an aircraft that is fairly typical of the 200-hp retractable class. Its performance is not its strongest suit, with a cruise speed of 135-140 knots. However, it is an incredibly easy plane to fly, with a full-flap stall speed of only 45 knots, allowing even novice pilots to feel confident after just a few hours of practice.
The Arrow's runway requirements are short, allowing access to most 1500-foot-long airports. Even with the addition of a 50-foot obstacle, the Arrow can still take off and land in less than 2000 feet. This makes it a versatile aircraft that can operate from a wide range of airports.
The fuel burn of the Arrow varies depending on the model and operating conditions. The initial retractable Arrow used a 180-hp engine, while the 200-hp version became standard in late 1969. The Arrow II has a fuel burn rate of about 10.15 gallons per hour (gph) with a 50-gallon fuel capacity. The Arrow III, on the other hand, has a higher fuel burn rate of 12.7 gph but also carries more fuel, with a capacity of 77 gallons.
The Turbo Arrow, with its 72-gallon fuel capacity, offers a good range. Cruising at 65% power, it burns 11.8 gph, resulting in a range of over 900 nautical miles. At higher altitudes, the Turbo Arrow can achieve speeds of 142-162 knots while burning less than 12 gph. The non-turbo version, on the other hand, burns 11-11.5 gph at 7000-10000 feet while achieving speeds of just under 140 knots.
In summary, the Arrow's takeoff and landing capabilities, combined with its efficient fuel burn, make it a versatile and easy-to-fly aircraft that can operate from a wide range of airports. Its short runway requirements, including the ability to take off and land in less than 2000 feet, make it a practical choice for pilots.
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The Arrow is not worth the cost for a slight speed increase
For example, the Piper Arrow IV, despite its turbo-normalized engine, only achieved 125 knots at 9,000 feet with a fuel burn rate of 11 gallons per hour, falling short of expectations. The Arrow II, with its 180-hp engine, offers similar performance, reaching 140 knots at a slightly lower fuel burn rate of 9 gallons per hour.
When compared to other aircraft, the Arrow's speed and fuel efficiency become even less impressive. The Comanche 180hp, for instance, can achieve speeds of 140 knots or more while burning 9.6 gallons per hour. The Mooney M20E is slightly faster than the F model, and if speed is a priority, the Comanche 250 can reach speeds starting in the $30,000 range.
Additionally, the Arrow's performance at high altitudes is less than ideal. While the turbo version may provide a slight advantage above 8,500 feet, it is not as efficient as non-turbo aircraft at lower altitudes. The Arrow II, in particular, struggles to reach speeds above 150 knots, even with turbo assistance.
In conclusion, while the Arrow may offer a slight speed increase over some other aircraft, it comes at a cost that may not be justifiable. The modest cruise speed, coupled with varying fuel efficiency, makes the Arrow less economical than other options. Therefore, for those seeking higher speeds and better performance, exploring alternative aircraft in a similar price range would be a more prudent choice.
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Frequently asked questions
The fuel burn of a Piper Arrow aircraft depends on various factors, including the model, altitude, and speed. For example, the Arrow II has a fuel burn rate of about 10.15 gph, while the Arrow III has a rate of 12.7 gph. At higher altitudes, the burn rate decreases. Additionally, factors such as speed modifications can impact fuel efficiency.
The Piper Arrow's fuel efficiency varies depending on the specific model and its modifications. When compared to other aircraft, the Arrow may offer similar or slightly higher fuel efficiency. For example, the Mooney M20E is reported to have a slightly higher top speed but a lower fuel capacity and burn rate.
Several factors can influence the fuel burn during takeoff, including the weight of the aircraft, the altitude, and the power settings. The number of passengers and the amount of baggage can impact the weight, affecting fuel efficiency. Additionally, higher altitudes may result in lower fuel consumption, and power settings can be adjusted to manage fuel usage.
