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Power Roll 2007: A Five Year Summary

Published byMarcus Davis Modified over 6 years ago

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Presentation on theme: "Power Roll 2007: A Five Year Summary"— Presentation transcript:

1 Power Roll 2007: A Five Year Summary
James W. Askew, Servico, Inc. G. A. Holt, USDA-ARS

2 Power Roll Gin Stand

3 PRT Side View

4 Turnout Results – CDE141 vs. PRT Test Stand - 2002
Module Gin Raw Cotton Lint Yield Lint Turnout Seed cotton/ Lint Gain by Number Stand (lbs.) (%) 500 lb. bale PRT (lb/bale) 12497 CDE 15020 5009 33.35 1499 PRT 12100 4332 35.8 1397 36.7 14331 10800 3679 34.06 1468 11500 4132 35.93 1392 27.4 14348 9020 3317 36.78 1360 9980 3878 38.86 1287 28.3 14352 11000 4003 36.39 1374 9800 3800 38.78 1289 32.8

5 PRT Seed Sample

6 Conventional vs. PRT seed

7 Conclusions (2004) 37-39 bales/hr common versus bales/hr historically (dry harvest cotton). This is a subjective estimate.

8 Conclusions (2004) 2003 Gin Season (dry harvest) – 40 of 81 days (49.4%) 700+ bales ginned. Six days 800+. 2002 Gin Season (wet harvest) – 22 of 65 days (33.8%, PRT testing time excluded) 700+ bales ginned. Zero days 800+. 2001 Gin Season (dry harvest) – 28 of 101 days (27.7%) 700+ bales ginned. Four days 800+.

9 30 HP Variable Frequency Drive

10 Power Roll with Solid Shaft and Bolt-in Flaps

11 Power Roll Drive Clutch

12 Results of Mechanical Upgrades

13 PRT Seed Sample – 2007 Crop

14 Gin Bales/day Production Trend 1998-2002

15 Gin Bales/day Production Trend 2002-2007

16 Gin Bales/day Production Trend 1998-2007

17 Gin Bales/day Seasonal Averages 2002-2007

18 Gin Labor Costs per Bale Trend 1998-2007
Average from = $3.42/bale Average from = $2.66/bale

19 Continuing Studies Power roll flap material effect analyses
Power roll RPM effect analyses

20 2006 – SFC(w) (flap materials)
Means with the same letter are not significantly different. REGWQ Grouping Mean N TRT A 8.9 5 Plastic 8.3 Steel B 7.5 Al

21 2007 – Total VMD (flap materials)
Means with the same letter are not significantly different. REGWQ Grouping Mean N TRT A 11 3 Steel 9.2 Plastic 8.3

22 2006 and 2007 Combined Uniformity (flap materials)
Means with the same letter are not significantly different. REGWQ Grouping Mean N TRT A 83.2 5 Al B 81.4 9 Plastic 81.3 13 Steel

23 2007 – Hi VMD (rpm) Means with the same letter are not
significantly different. REGWQ Grouping Mean N TRT A 4.17 3 160 B 2.83 180 2.33 170

24 Power Roll Gin Stands

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