In today's expanding Experimental aircraft market, there are many powerplant options available for the Kit-Plane builder to choose from. The decision of which powerplant option to utilize may be based on one, or several factors… and there are many to consider, such as......... Weight, horsepower, hp to weight ratio, torque, engine rpm at full power, reliability, FAA certification, ease of installation, installation kit or plans available, engine design, engine applications, fuel burn, available factory new, factory support, available used, overhauled or exchange, accessory options, propeller options, gear reduction requirements, durability, safety, initial cost, cost to maintain, cost to overhaul or exchange for new, increased insurance rates based on engine choice, etc. Frankly, the Franklin will give you all the benefits you are looking for in a powerplant specifically designed for aircraft use. Check out these benefits of the 220 hp 6 cylinder Franklin engine ! FAA Certified - Factory New Direct Drive - no gear reduction box Smooth running - low rpm power Unmatched horsepower / torque ratio Hydraulic constant speed propeller Air-cooled for easy installation Most Economical engine in its class Built-in crankshaft torsion damper Proven Reliability 384 lb-ft torque at 2800 rpm! 35 or 55 Amp Alternator. Vacuum pump drive. Sensibly priced ! Factory NEW !!! Check out these benefits of the 125 hp 4 cylinder Franklin engine ! FAA Certified - Factory New Direct Drive - no gear reduction box Smooth running - low rpm power Unmatched horsepower / torque ratio Up to 145 hp for Experimental use Air-cooled for easy installation Most Economical engine in its class Built-in crankshaft torsion damper Proven Reliability 254 lb-ft torque at 2800 rpm! 35 or 55 Amp Alternator Sensibly priced ! Factory NEW !!! RV-8 220hp 6 cylinder engine kit KITFOX Series 5,6 & 7 125 hp 4 cylinder engine kit CH-801 220 hp 6 cylinder engine kit RV-7 220hp 6 cylinder engine kit Lancair Legacy 2000 220 hp 6 cylinder engine kit Murphy SR-2500 220 hp 6 cylinder engine kit CH-601 125 hp Other Experimental Kits Copyright © 1998-2026 Franklin Aircraft Engines All rights reserved.