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1. • • Among other innovations, Penn Yan was known for its patented "Tunnel Drive" concept, whereby a cavity was molded into the bottom of the boat's hull, partially enclosing the propeller and drive shaft. The tunnel drive system provided better boat speed and stability.
     en.wikipedia.org › wiki › Penn_Yan_Boat_Company

     Penn Yan Boat Company - Wikipedia

2. People also ask

   Why does a Penn Yan have a tunnel drive?

   • To the folks that are supposed to know it all about Penn Yans, you haven't a clue. The single biggest reason that a Penn Yan with a tunnel drive acts like I have read above is; the original engine was replaced with and engine of different rotation. The running gear rudder, strut and even the prop is set up opposite of the way boat was designed.

   Tunnel Drive Speed and Wake? | Boating Forum - iboats

   forums.iboats.com/threads/tunnel-drive-speed-and-wake.251484/

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   What innovations did Penn Yan make?

   • Among other innovations, Penn Yan was known for its patented "Tunnel Drive" concept, whereby a cavity was molded into the bottom of the boat's hull, partially enclosing the propeller and drive shaft. The tunnel drive system provided better boat speed and stability.

   Penn Yan Boat Company - Wikipedia

   en.wikipedia.org/wiki/Penn_Yan_Boat_Company

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   What's in a 1977 Penn Yan 24 ft boat?

   • Boat comes with 3 pairs of skis, hot dog tube for, one adult west, ski pole,ropes etc. Trailer inspected. I am selling my 1977 Penn Yan 24 ft. Boat. This boat NADA's for over $13,000. I want to upgrade to a much larger boat and cant keep both. I did a lot of work to it. It has a Chrysler 360 5.9 L engine in it with a tunnel drive prop.

   Penn Yan Tunnel Drive Boats for sale

   www.smartmarineguide.com/boats-for-sale/penn-yan-tunnel-drive

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   What kind of boats did Penn Yan make?

   • Penn Yan produced a wide range of wooden powerboats, rowboats, canoes and sailboats at its founding, but switched to all fiberglass vessels in the early 1960s. No records are known to survive. The name Penn Yan is synonymous with the Car Topper, which it introduced In 1936.

   Penn Yan - Snake Mountain Boatworks

   snakemountainboatworks.com/vintage-boat-preservations/penn-yan/

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3. en.wikipedia.org › wiki › Penn_Yan_Boat_CompanyPenn Yan Boat Company - Wikipedia

   en.wikipedia.org › wiki › Penn_Yan_Boat_Company

   • Cached

   Among other innovations, Penn Yan was known for its patented "Tunnel Drive" concept, whereby a cavity was molded into the bottom of the boat's hull, partially enclosing the propeller and drive shaft. The tunnel drive system provided better boat speed and stability.

4. www.smartmarineguide.com › boats-for-sale › penn-yanPenn Yan Tunnel Drive Boats for sale - SmartMarineGuide.com

   www.smartmarineguide.com › boats-for-sale › penn-yan

   Stock #156635 * * Motivated Seller * * Twin Mercruisers with Velvet Drive Transmissions, Tunnel Drives This 1979 Penn Yan 30 SF (Sport Fish) flybridge has tunnel drives, a large aft cockpit area, and creature comforts below decks should you be away from the dock overnight.

   • Location: Toms River Twp, NJ

5. snakemountainboatworks.com › vintage-boat1951 Penn Yan 18' Stern Drive President - Snake Mountain ...

   snakemountainboatworks.com › vintage-boat

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   Among his most notable inventions is the Tunnel Drive, which Penn Yan patented. Using a cavity that partially enclosed the propeller and drive shaft, Penn Yan’s tunnel drive system delivered higher boat speeds and hull stability.

6. Videos

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     4:26

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     Penn Yan Double Tunnel Drive Cabin Cruiser

     Sep 13, 2015

     8.3K Views

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     1:43

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     Penn Yan Tunnel Drive On The Lake Finally

     Aug 23, 2022

     1.4K Views

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     2:39

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     21 FOOT PENN YAN 351 INBORD TUNNEL DRIVE PROP 15HP

     Dec 5, 2013

     317 Views

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7. forums.iboats.com › threads › tunnel-drive-speed-andTunnel Drive Speed and Wake? - iboats Boating Forums

   forums.iboats.com › threads › tunnel-drive-speed-and

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   Jun 10, 2008 · A veteran inboard mechanic with Penn Yan experience suggested manufacturing a "lip" made of bondo or fiberglass installed where the tunnel "flares" would reduce spray and cavitation and also switching to a 4-blade Ambush prop.

8. pennyanbbs.org › tdbbs › indexTunnel Drive BBS - Penn Yan Antique & Classic Boat Owners Club

   pennyanbbs.org › tdbbs › index

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   26' Penn Yan Tunnel Drive, 255 cu, Mercruiser - Mike Gildea 21:21:48 3/27/02 (1) Re: 26' Penn Yan Tunnel Drive, 255 cu, Mercruiser - Kent 19:11:07 3/30/02 ( 0) Refridgeration and website support.

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10. snakemountainboatworks.com › penn-yanPenn Yan - Snake Mountain Boatworks

    snakemountainboatworks.com › penn-yan

    • Cached

    Among his most notable inventions is the Tunnel Drive, which Penn Yan patented. Using a cavity that partially enclosed the propeller and drive shaft, Penn Yan’s tunnel drive system delivered higher boat speeds and hull stability.

11. snakemountainboatworks.com › 1951-18-stern-drive1951 18' Stern Drive Penn Yan President Inboard - Snake ...

    snakemountainboatworks.com › 1951-18-stern-drive

    • Cached

    Oct 29, 2021 · Among his most notable inventions is the Tunnel Drive, which Penn Yan patented. Using a cavity that partially enclosed the propeller and drive shaft, Penn Yan’s tunnel drive system delivered higher boat speeds and hull stability.