BOATS
BOAT TESTS
Horizon PC58
By Capt. Richard Thiel
CONDITIONS DURING BOAT TEST
temp.: 75°F; humidity: 57%; wind: 15-18 mph; seas: 4'LOAD DURING BOAT TEST
500 gal. fuel; 200 gal. water; 5 persons; 300 lbs. gear
TEST BOAT SPECIFICATIONS
Test Engine: 2/715-mhp Cummins QSM11 diesel inboards
Transmission/Ratio: ZF 500 A gears w/ 2.003:1 ratio
Props: 32x25 4-blade nibral props
The Numbers
| Horizon PC58 - Final Boat Test Numbers: | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| rpm | mph | knots | gph | mpg | nmpg | range | nm range | db | angle |
| 1000 | 9.6 | 8.3 | 7.6 | 1.26 | 1.09 | 1,131 | 983 | 71 | 1.0 |
| 1250 | 11.7 | 10.1 | 13.8 | 0.84 | 0.73 | 760 | 661 | 74 | 3.0 |
| 1500 | 12.8 | 11.1 | 24.4 | 0.52 | 0.46 | 472 | 411 | 76 | 3.0 |
| 1750 | 15.0 | 13.0 | 32.8 | 0.46 | 0.40 | 412 | 358 | 76 | 3.0 |
| 2000 | 20.1 | 17.4 | 46.0 | 0.44 | 0.38 | 392 | 341 | 77 | 4.0 |
| 2350 | 22.5 | 19.6 | 64.0 | 0.35 | 0.31 | 316 | 275 | 77 | 3.5 |
| 2500 | 25.1 | 21.8 | 72.0 | 0.35 | 0.30 | 313 | 272 | 79 | 3.0 |
|
Speeds are two-way averages measured w/ onboard Garmin GPS. GPH taken via SmartCraft monitor. Range 90% of advertised fuel capacity. Decibels measured at helm on A scale. 65 dB-A is the level of normal conversation. |
|||||||||
OPTIONAL EQUIPMENT ON TEST BOAT
LED transom nameplate
cockpit docking controls
Scotsman ice machine
6/rod holders
electric saloon door
24,000-Btu flying-bridge A/C
500-watt solar panels on hardtop
Glendinning CableMaster
4/QL trim tabs
ZF JMS thruster, gear, and rudder control system
15' AB RIB w/ 70-hp Yamaha outboard
Fusion MS IP600G audio system w/ JL speakers
2/Aqualuma LED underwater lights
700-gpd Sea Recovery watermaker
flying-bridge enclosure
second Stidd helm chair
1,000-lb. davit
This article originally appeared in the May 2012 issue of Power & Motoryacht magazine.













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