Type T Motor Lifeboat (36ft. 6in.)

Self-righting/self-bailing; 36’6” LOA x 10’5.25” beam outside planking x 3’3” draft; displacement 19,676lbs.; deck-level scuppers (1 each side of forward lookout cockpit; 3 each side of forward cockpit; and 3 each side of aft cockpit); single 90HP/1000RPM, 6 cylinder/4-cycle, salt-water cooled Sterling Petrel L-6 (L-head type) gasoline engine mounted amidships in WT compartment with clutch, reversing gear, and electric starter; pistons 5.25” bore/6” stroke; single 3-bladed bronze 28” diameter/15” pitch prop in semi-tunnel; bronze skeg which protected rudder; 194gal. fuel tank located under forward cockpit deck; maximum speed at 800RPM is 8.5kts. (9.5 statute MPH); 280nm. range at 8kts.; engine removal through hatch on top of amidships compartment; single tabernacle-mounted mast for Marconi or Bermuda sailing rig with jib and mainsail, no centerboard (sail rig removed starting in 1938); after steering cockpit with one-man controls, equipped with partial shield, curved metal weather breaker installed on top of motor compartment; carvel-built single-planked hull of cedar or cypress over a total of 42 white oak frames with Monel metal fittings and copper fasteners; lower keel of 5”x4” bronze (initial specification was for cast iron); total of 10 WT compartments (6 below/4 above WT deck); buoyancy blocks of built-up cork; ice sheathing of white ash skin overlaid with copper (all boats to be assigned to Great Lakes stations had this added feature; added about 1000lbs. to boat’s weight); handrails of polished brass