RAM Performance - Cessna 414 Series VII
CESSNA 414 · Pilot's Operating Handbook
Overview
This document provides performance specifications and enhancements for the Cessna 414 Series VII aircraft, specifically focusing on the RAM modifications. It outlines engine specifications, performance metrics, and operational guidelines for pilots and maintenance personnel. The information is crucial for understanding the aircraft's capabilities, especially in terms of engine performance and climb rates under various conditions. The document emphasizes the importance of consulting the Manufacturer’s Pilot Operating Handbook and applicable Flight Manual Supplements for accurate performance calculations and safety procedures.
- Engine options include CMG - TSIO-520 with ratings of 310 hp and 335 hp.
- Twin-engine climb rate at sea level is 1580 fpm for the 310 hp engine and 1900 fpm for the 335 hp engine.
- Gross weight is 6350 lbs with a ramp weight of 6800 lbs for the RAM 414 VII.
- The RAM modification increases useful load by 395 lbs.
- The turbocharger features a 17 in³ compressor for improved performance.
Document
Source
Originally published by airmart.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type
- Pilot's Operating Handbook
- Year
- 2019
- Pages
- 2
- File size
- 158 KB
- Publisher
- airmart.com
Specifications & performance
Extracted from this document.
Specifications
- Engine (hp)
- 335
- Engine model
- TSIO-520-J
- Cruise speed (kt)
- 223
- Rate of climb (fpm)
- 1,900
- Max takeoff weight (lb)
- 6,765
Performance
- Fuel burn (gph)
- 20.3
Weight & balance
- Useful load (lb)
- 395
- Max ramp weight (lb)
- 6,800
- Basic empty weight (lb)
- 6,165
- Max landing weight (lb)
- 6,430
- Max takeoff weight (lb)
- 6,765
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In this document
Engine Specifications
The Cessna 414 RAM 414 VII is equipped with CMG - TSIO-520 engines, with horsepower ratings of 310 and 335, and TBO hours of 1400 and 1600 respectively. The takeoff manifold pressure at 2700 RPM is 36" for the 310 hp engine and 38" for the 335 hp engine.
Performance Metrics
Key performance metrics include a twin-engine climb rate at sea level of 1580 fpm for the 310 hp engine and 1900 fpm for the 335 hp engine. Single-engine climb rates are 240 fpm and 310 fpm respectively. The document also provides cruise climb times and speeds at various power settings.
Weight Specifications
The gross weight of the Cessna 414 is 6350 lbs, with a ramp weight of 6800 lbs for the RAM 414 VII. The landing weight is 6200 lbs, and the zero fuel weight is 6165 lbs. The useful load increase for the RAM modification is 395 lbs.
Cooling Enhancements
The RAM Series VII features a larger turbocharger and intercooler, improving cooling efficiency. The turbocharger has a 17 in³ compressor compared to the original 10 in³, and the intercooler is 140 in³, enhancing overall engine performance.
Operational Guidelines
Pilots are advised to calculate performance based on specific flight conditions and to refer to the Manufacturer’s Pilot Operating Handbook. Variability in performance is expected due to factors such as atmospheric conditions and aircraft loading.
Safety notes
- Performance should always be calculated per flight environment.
- Consult the Manufacturer’s Pilot Operating Handbook and applicable Flight Manual Supplements for safety procedures.
Full document text
RAM Performance - Cessna 414 Series VII http://www.ramaircraft.com/...gine-Upgrade-Packages/Performance/414-Series-VII-Performance/SM041C4-414-Series-VII-Performance.htm[4/12/2019 1:40:10 PM] 7505 Karl May Drive • Waco Regional Airport • P.O. Box 5219 • Waco, TX 76708 Phone: (254) 752-8381 • Fax: (254) 752-3307 • www.ramaircraft.com ENGINES • PARTS • PROPELLERS • ACCESSORIES • STC'S Select Language Powered by Translate 1 - HOME 2 - PARTS CATALOG 3 - ENGINES 4 - ONE ENGINE - SHIPPED 5 - ONE ENGINE - INSTALLED 6 - TWIN - STANDARD OVERHAUL 7 - AIRCRAFT & ENGINE IMPROVEMENT PACKAGES 8 - ENGINE HP INCREASE - STCs SINGLES AND TWINS 9 - PROPS & STCs - NEW McCAULEY AND HARTZELL AND SENSENICH - NEW 10 - PRODUCTS AND SERVICES AND THE RAM ADVANTAGE 11 - VALUE OPTIONS & COMPLIANCE ITEMS 12 - AIRCRAFT PERFORMANCE 13 - RAM WINGLETS 14 - ENGINE OVERHAUL SPECIFICATIONS 15 - USING TWIN ENGINE AIRCRAFT TO TRAVEL 16 - EUROPEAN SALES CENTER 17 - AUSTRALIAN SALES CENTER 18 - CUSTOMER SERVICE 19 - INSTRUCTIONS FOR CONTINUED AIRWORTHINESS 20 - SERVICE BULLETINS & A.D.s Performance - Cessna 414 RAM - Series VII Primary Specifications Cessna 414 RAM 414 VII Engine Model: CMG - TSIO-520 TSIO-520-J TSIO-520-NB Engine hp rating / TBO - hrs. 310 / 1400 335 / 1600 Takeoff M.P. @ 2700 rpm (ISA + 30° F) 36" 38" Acceleration 0 to 100 mph (seconds) 25 19 Twin engine climb @ S.L. (fpm) @ new GW 1580 1900 Single engine climb @ S.L. (fpm) @ new GW 240 310 Cruise climb power (rpm @ MP) (ISA + 30° F) 2450 @ 31.5" 2500 @ 33.0" Cruise climb S.L. to 23,000 ft. (minutes) 31 25 260 hp Cruise @ 23,000 ft. (ktas) / fuel/engine (gph) NA 223 @ 20.3 230 hp Cruise @ 23,000 ft. (ktas) / fuel/engine (gph) 206 @ 19.3 212 @ 17.9 200 hp Cruise @ 23,000 ft. (ktas) / fuel/engine (gph) 185 @ 16.5 190 @ 14.7 Landing wt. / Zero fuel wt. (lbs.) 6200 / 6165 6430 / 6165 Useful load increase (lbs.) NA +395 Gross weight / Ramp weight (lbs.) 6350 / NA 6765 / 6800 Performance is based on a mid CG with mid cabin and fuel weight on an average day. Performance should always be calculated per flight environment while referring to the Manufacturer’s Pilots Operating Handbook and applicable Flight Manual Supplements for the particular airplane. Aircraft Manufacturer’s Pilot Operating Handbooks and Aircraft Owner’s Manuals should always be available and adhered to by the aircraft Pilot in Command, including attention to applicable FAA approved Flight Manual Supplements and emergency procedures for each individual aircraft. Performance should vary from airplane to airplane, atmospheric day to atmospheric day, one gross weight and CG to another, and pilot to pilot. Larger Turbo - Larger Intercooler - Improved Cooling TA81 Airesearch Turbo: 17in³ Compressor - (vs. original 10in³) Larger Intercooler - 140in³ - improved construction RAM Intercooler Scoop - low profile - minimum shape drag Additional cooling air exit - at wastegate access panel Select Language RAM Performance - Cessna 414 Series VII http://www.ramaircraft.com/...gine-Upgrade-Packages/Performance/414-Series-VII-Performance/SM041C4-414-Series-VII-Performance.htm[4/12/2019 1:40:10 PM] 21 - POWER SETTINGS 22 - OPERATION & SERVICE TIPS 23 - EMPLOYMENT 24 - CONTACT INFORMATION 25 - PRIVACY POLICY 26 - WARRANTY INFORMATION Takeoff power - available through 25,000 ft. RAM Series VII Intercooler Scoop Other Turbochargers, Intercoolers and Intercooler Scoops Cessna Factory Original Scoop American Aviation Scoop Cessna, American Aviation, and RAM’s 325hp Series IV and 335 hp Series VI use an Airesearch TH08A turbocharger utilizing a 10in³ compressor, redlined at 1650°F. •Cessna Intercooler is 105in³. AA’s Intercooler is 140in³. Both are found on Cessna 310 hp, RAM’s 325 hp Series IV, and RAM’s 335 hp Series VI. Performance should vary from airplane to airplane, atmospheric day to atmospheric day, one gross weight and CG to another, and pilot to pilot. Click here to view and print a PDF document of this page. Click here to download FREE Adobe Acrobat Reader. RAM Aircraft, LP • 7505 Karl May Drive • P.O. Box 5219 • Waco, TX 76708 Phone: (254) 752-8381 • Fax: (254) 752-3307 • www.ramaircraft.com Airesearch newest TA81 turbocharger larger 17in³ compressor redlined for 1750°F. The RAM Series VII Inlet Scoop is optimized for minimal aerodynamic drag at high cruise speeds.
What's in the CESSNA 414 TCDS
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