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Engine & Equipment Development Lead Time Requirements are Significant Due to:

This article discusses the significant lead time requirements in the development of engine and equipment due to the non-integrated nature of the industry, number of applications, and the need for technology solutions. It covers market specification development criteria, standard engine development criteria, safety requirements, and the typical product development cycle.

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Engine & Equipment Development Lead Time Requirements are Significant Due to:

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  1. Engine & Equipment Development Lead Time Requirements are Significant Due to: • The Non-Integrated Nature of the Industry • Number of Applications • Proposed Technologies are Not “Add On” • Technology solutions need to be developed

  2. Market Specification Development Criteria Parasitic Starting Loads, Inertia Requirements Marketability, Aesthetics Durability Requirements Cycle Time of Operation, Charging Systems Cost, Size, Weight Constraints 15 Standard Engine Development Criteria Required Horsepower, Torque, PTO Loads Operating Environment Engine Controls, Governoring, Speed Cooling Management Fuel Systems and Carburetion Vibration Systems Exhaust Systems Maintenance Related Accessories Engine Configuration, Space Limitations Safety of Operation

  3. Requirements from Proposed Emission Controls • Addition of Catalysts • Will require new muffler guards or relocation of muffler. • May require redesign of plastic guards, plenums and hoods. • Addition of Evaporative Controls • Will require new fuel tank design • Will require addition of carbon canister and mounting hardware

  4. Typical Product Development Cycle • Develop hardware • Engine manufacturer tests hardware • Engine manufacturer works with OEM to apply hardware to application • Engine manufacturer revised hardware to meet OEM specifications/application • Engine manufacturer provides test samples to OEM • OEM does development testing on sample hardware • OEM and retailers develop distribution plans to segregate California products • Upon approval of OEM, engine manufacturer provides production modified engine • Engine manufacturer certifies product for sale in California • OEM tests and approves production engine • Engine manufacturer start to ship engines

  5. The engineering review for one engine model would be required on over 100 pieces of equipment. One of our large customers has 65 models of which 20-30 would require testing.

  6. Metal Versus Plastic Tanks • Square or Rectangular tanks common in horizontal engine applications can be closely approximated in metal with a heavy cost penalty -- $6 increase. metal plastic 4 quart tanks

  7. Application Constraints on Walk Mower Fuel Tank Design • The integrated nature of walk mower fuel tanks prevents metal tanks from being duplicated. • Limitations on walk mowers: Loss of Geometry Definition/Detail • Fuel Volume/Run time • Increased package size • Reduce number of engines in pallet • Increased cost • Additional mounting hardware required • Changes required to major components • Replacement of all fuel tank and shroud molds

  8. Walk Mower Tank Geometry

  9. Investment -- One Example Gas Tanks for Intek Engines • Three different fuel tank configurations to accommodate OEMs/applications • 10 molds • Millions of dollars of tooling Shrouds • 4 Shroud/Styling Packages for one engine • 4 Tools @ $110,000 per Tool Fuel caps • Five Different Fuel Caps Used in Production for one engine • Total of 32 Cavities

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