James Thomas Engineering by Lee Whitfield

JAMES

ENGINEERING

SUPERLITETRUSS This lightweight truss is ideal for exhibition, conference and small venue work. Using the Supertruss principle has enabled the manufacture of a competitively strong but lightweight truss with all the innovative space and time saving characteristics first demonstrated in Supertruss. Superlite is a 30.5cm x 60 degree equilateral triangular truss manufactured from 6082T6 aluminium tube with 50mm x 2mm wall main tubes, 19mm x 2mm wall diagonals and featuring double ended connecting forks for ease of assembly and added strength. See load tables on page 10

Part Code

Description

Weight

30 4.0

30.5cm Superlite truss

304.0 30.5cm Superlite truss

B1650 B1640 B1630 B1625 B1620 B1615 B1610 B1605 B1602 B1609 B1603 B1604 B1601

5 metre section 4 metre section 3 metre section 2.5 metre section 2 metre section 1.5 metre section 1 metre section 0.5 metre section 2 way connection spigots 2 way joint support plate c/w 3 vertical connecting spigots 3 way connection with support plate & spigots 4 way connection with support plate & spigots Base plate c/w 3 vertical connecting spigots

17 14 11 9.5 8 6.5 5 3.5 3.75 2.55 4 3.5 2.65

40 0.0

40cm Superlite truss

400.0 40cm Superlite truss

JAMES

B2150 B2140 B2130 B2125 B2120 B2115 B2110 B2105 B2102 B2109 B2103 B2104 B2101

ENGINEERING

20 16.9 13.3 11.6 9.4 7.8 5.9 3.8 4.75 3.65 8.6 7.4 3.95

SQUARE LITETRUSS This lightweight truss is ideal for exhibition, conference and small venue work. Using the Supertruss design principles has enabled the manufacture of a competitively strong but lightweight truss with all the innovative space and time saving characteristics first demonstrated in Supertruss. Squarelite is available as a 30.5cm or 40cm square truss manufactured from 6082T6 grade aluminium tube with 50mm x 2mm wall main tubes,19mm x 2mm wall diagonals on all faces and featuring double ended connecting forks for ease of assembly and added strength. All trusses are supplied with pin and 'R' clips or bolt sets as necessary. All structural calculations have been written in accordance with BS CP8118 and verified by on site testing. Welding of truss is performed with British Standard approved welders. See load tables on page 11

304.0 Part Code

Description

Weight

B3950 B3940 B3930 B3925 B3920 B3915 B3910 B3905 B3902 B3903 B3908 B3901

5 metre section 4 metre section 3 metre section 2.5 metre section 2 metre section 1.5 metre section 1 metre section 0.5 metre section 2 way/90 degree gate 3 way/120 degree gate Square support plate per pair Base plate c/w 4 vertical connecting spigots

22.7 18.7 14.7 12.7 10.7 8.7 6.7 4.7 6 4.6 3.15 2.9

304.0

30.5cm Squarelite truss

30.5cm Squarelite truss end view

400.0

B4350 B4340 B4330 B4325 B4320 B4315 B4310 B4305A B4302A B4303A B4308A B4301A

26.6 22.25 17.75 15.5 12.5 10.5 7.8 5.1 7 5.3 5.78 4.3

400.0

40cm Squarelite truss

40cm Squarelite truss end view

JAMES

ENGINEERING

GPTRUSS

52cm GP truss

General Purpose truss is manufactured from 5.08cm dia x 3.2mm wall and 2.54cm dia x 3.2mm wall 6082 T6 Aluminium tubing. Supplied with Thomas truss bolts and nuts. Ideal truss for conference, exhibition and small venue work. By incorporating suitable sleeve blocks, this truss can be used with our Ground Support Systems. See load tables on page 12

30.5cm GP truss

520.7

304.80

520.7

52cm GP truss end view Part Code

304.80

30.5cm GP truss end view

Description

Weight

52cm GP truss

Part Code

Description

Weight

30.5cm GP truss B4709 B4700 B4701 B4702 B4703 B4704 B4750 B4705 B4710 B4706 B4711 B4707 B4106 B4708 B4712 B4106

4 metre section 3 metre section 2.5 metre section 2 metre section 1.5 metre section 1 metre section 0.5 metre section 2 way corner block 3 way corner block 4 way corner block 5 way corner block 6 way corner block 30.5cm tower sleeve block Flat pivot section Lifting point 4 way sleeve block - for 30.5 GP truss

34 26.6 23.4 18.5 16 12.3 8.6 6.3 8 9.3 10.8 12.5 6.5 5.5

B4400 B4401 B4402 B4403 B4404 B4405 B4450 B4420 B4421 B4422 B4423 B4424 B4425 B4406 B4415 B4407 B4407A B4408 B4104 B4109 B4411 B4409 B4410 B1312 B4104

JAMES

ENGINEERING

4 metre section 3 metre section 2.5 metre section 2 metre section 1.5 metre section 1 metre section 0.5 metre section 4 metre with castors 3 metre with castors 2.5 metre with castors 2 metre with castors 1.5 metre with castors 1 metre with castors 2 way corner block 3 way corner block 4 way corner block 5 way corner block 6 way corner block 30.5cm tower sleeve block 30.5cm tower sleeve block - 3 way with built in lifting point Flat pivot section 0-270 degree pivot section 0-90 degree pivot section Lifting point 4 way sleeve block for 52cm GP truss

52 40 35 31 27 20 13 60 48 43 39 35 28 15 16 17 18 19

19.5 19 7

SUPERTRUSS

30.5cm Supertruss

A revolutionary truss designed to offer all the advantages of the Thomas 52cm Supertruss but in 30.5cm square format. 30.5cm Supertruss provides a substantial increase in loadbearing capacity over the General Purpose 30.5cm truss and can span to a maximum of 15 metres between supports. This truss is ideal for exhibition, conference and general rigging jobs.

Part Code

Weight

30.5cm Supertruss B1260 B1250 B1240 B1230 B1225 B1220 B1215 B1210 B1205 B1201 B1204A B1204B B1200A B1203 B1211 B1208 B4712 B1206

See load tables on page 13

304.80

JAMES

Description

30.5cm Supertruss end view ENGINEERING

6 metre section 5 metre section 4 metre section 3 metre section 2.5 metre section 2 metre section 1.5 metre section 1 metre section 0.5 metre section 2 way gate 3 way/120 degree gate 3 way gate with lifting point 60 degree gate 135 degree gate Supertruss to GP adapter gate Square support plate Lifting point 0 -180 degree pivot section

55 46.5 38 29.5 25 20.5 16 11.5 7.5 3.5 2.75 3.5 6.25 2 3 1.75 7

SUPERTRUSS 52cm Supertruss

520.7

76cm x 52cm Supertruss

520.70

762.0

520.70

52cm Supertruss end view Part Code

76cm x 52cm Supertruss end view

Description

The Supertruss design features end connectors, which are horizontally orientated, so that the connecting pin is dropped in vertically and truss elements are unisex (they can be used either way) this also means that a variety of angles and shapes can be constructed with ease. Supertruss is considerably stronger size for size when compared to the General Purpose truss. Supertruss is available as 30.5cm, 52cm and 76cm x 52cm providing solutions for all rigging applications. See load tables on page 13-14 Weight

52cm Supertruss

Part Code

Description

Weight

76 x 52cm Supertruss

B1360 B1350 B1340 B1330 B1325 B1320 B1315 B1310 B1305A B1360C B1350C B1340C B1330C B1325C B1320C B1315C B1310C B1301 B1304 B1305 B1300 B1303 B1311

6 metre section 5 metre section 4 metre section 3 metre section 2.5 metre section 2 metre section 1.5 metre section 1 metre section 0.5 metre section 6 metre with castors 5 metre with castors 4 metre with castors 3 metre with castors 2.5 metre with castors 2 metre with castors 1.5 metre with castors 1 metre with castors 2 way gate 3 way/120 degree gate 3 way gate with lifting point 60 degree gate 135 degree gate Supertruss to GP adapter gate

64 54.5 45 35.5 32 26 22.5 16.5 10.5 70 60.5 51 41.5 38 32 28.5 22.5 5 4.3 9 15 4

B1309A B1309B B1308 B1312

30.5cm tower sleeve plate 38cm tower sleeve plate Square support plate Lifting point

9 8.5 5 7

B2960 B2950 B2940 B2930 B2925 B2920 B2915 B2910 B2905A B2960C B2950C B2940C B2930C B2925C B2920C B2915C B2910C B2901 B2904 B2905 B2900 B2903 B2911 B1309A B1309B B1308 B1312

6 metre section 5 metre section 4 metre section 3 metre section 2.5 metre section 2 metre section 1.5 metre section 1 metre section 0.5 metre Section 6 metre with castors 5 metre with castors 4 metre with castors 3 metre with castors 2.5 metre with castors 2 metre with castors 1.5 metre with castors 1 metre with castors 2 way gate 3 way/120 degree gate 3 way gate with lifting point 60 degree gate 135 degree gate Supertruss to GP adapter gate 30.5cm tower Sleeve plate 38cm tower sleeve plate Square support plate Lifting point

68 58 48 38 33 28 23 18 13 74 64 54 46 39 36 29 26 7 6 10.5 17 6 7 9 8.5 5 7

SUPERMEGATRUSS

Supermegatruss has been developed for those applications which require monumental loadbearing capability. The truss is manufactured from 6082T6 specification tube using 7.62cm diameter main tubes, 4.84cm cross boom tubes and 4cm box section diagonals. The end connection is a scaled up version of the Supertruss fork ensuring the easy and strong connection qualities required. Manoeuvrability is ensured by the standard fitment of castor wheels. This truss has a maximum span capability of 39 metres clear span without lateral restraint. If there is lateral restraint available mid span, then the maximum span can be up to 48 metres. This truss is an excellent basis for a 'mothergrid' or a large roof system. See load tables on page 14

576.2

B2860 B2850 B2840 B2835 B2830 B2825 B2820 B2815 B2810 B2802 B2803 B2803A B2808 B2809 B2812

Description

Weight

Supermegatruss 6 metre c/w castors Supermegatruss 5 metre c/w castors Supermegatruss 4 metre c/w castors Supermegatruss 3.5 metre c/w castors Supermegatruss 3 metre c/w castors Supermegatruss 2.5 metre c/w castors Supermegatruss 2 metre c/w castors Supermegatruss 1.5 metre c/w castors Supermegatruss 1 metre c/w castors Supermegatruss 2 way gate Supermegatruss 3 way gate Supermegatruss 3 way gate with lifting point Supermegatruss square support plate Supermegatruss to 38cm tower sleeve plate Supermegatruss lifting point

148 126 102 86 81 71 58 46 35 15.2 13 20 4.6 8.5 9

1076.2

Part Code

JAMES

ENGINEERING

GROUNDSUPPORT

JAMES

ENGINEERING

30.5cm Tower system

The Ground Support Tower is manufactured with the purpose of providing a lifting medium for the variety of Thomas trusses ranging from the smallest general purpose truss - through to the largest Supertruss. The Tower system is available as 30.5cm and 38cm. The Towers provide a method of support for truss grids in venues where flying by other methods is impractical. Each Tower is capable of lifting to maximum heights of 12m (30.5cm tower) and 15m (38cm tower) and capable of lifting 2 and 4 tonnes respectively (which must include the self weight of the grid). The truss rig is raised and lowered by means of chain hoists, such as CM lodestar, which work with a roller beam and double chain fall to become an integral part of the system. Towers can be used outside when used with suitable restraints

381.0

304.80

381.0

304.80

30.5cm Tower system end view Part Code

Description

38cm Tower system end view Weight

Base Base for 52cm & 76 x 52cm supertruss 2 metre hinge section Roller beam (for 1 tonne motors) Double roller beam (for 2 tonne motors) 4 metre Tower section 3 metre Tower section 2.5 metre Tower section 2 metre Tower section 1.5 metre Tower section 1 metre Tower section 0.5 metre Tower section Outrigger Arm & swivel coupler

Description

Weight

38cm Tower system

30cm Tower system B3500 B3500A B3501 B3502 B3504 B3540 B3530 B3525 B3520 B3515 B3510 B3505 B4003

Part Code

24 24 30 18 42 32 27 22 17 12 7 9

B3800 B3800A B3801C B3802 B3803 B3804 B3840 B3830 B3825 B3820 B3815 B3810 B3805 B4003

Base Base for 52cm & 76 x 52cm supertruss 2 metre hinge section Roller beam (for 1 tonne motors) Rocker beam (for 2 - 1 tonne motors) Double roller beam (for 2 tonne motors) 4 metre Tower section 3 metre Tower section 2.5 metre Tower section 2 metre Tower section 1.5 metre Tower section 1 metre Tower section 0.5 metre Tower section Outrigger arm & swivel coupler

24 24 32 22 22 25 43 36 30 24 18 13 8 9

GROUNDSUPPORT 30.5cm Supertower system

The Ground Support Supertower is manufactured with the purpose of providing a lifting medium for the variety of Thomas trusses ranging from the smallest general purpose truss - through to the largest Supertruss. The Supertower system is available as 30.5cm and 38cm and is based around the Supertruss system using modified forks to allow smooth operation while raising and lowering the grid. The Towers provide a method of support for truss grids in venues where flying by other methods is impractical. Each Tower is capable of lifting to maximum heights of 12m (30.5cm Tower) and 15m (38cm Tower) and capable of lifting 2 and 4 tonnes respectively (which must include the self weight of the grid). The truss rig is raised and lowered by means of chain hoists, such as CM lodestar, which work with a roller beam and double chain fall to become an integral part of the system. Towers can be used outside when used with suitable restraints.

Description

Weight

304.80

Part Code

304.80

30.5cm Supertower B5300A B5302 B5340 B5330 B5325 B5320 B5315 B5310 B5305

30.5cm Supertower base with vertical connecting forks 30.5cm Supertower roller beam with vertical connecting forks 30.5cm Supertower 4 metre section 30.5cm Supertower 3 metre section 30.5cm Supertower 2.5 metre section 30.5cm Supertower 2 metre section 30.5cm Supertower 1.5 metre section 30.5cm Supertower 1 metre section 30.5cm Supertower 0.5 metre section

32 28 44 35 30 25 20 15 10

30.5cm Tower system end view

381.0

B8300A B8302 B8302A B8301C B8330 B8320 B8310

38cm Supertower base with vertical connecting forks 38cm Supertower roller beam with vertical connecting forks 38cm Supertower double roller beam with vert con forks 38cm Supertower 2 metre hinge section 38cm Supertower 3 metre section 38cm Supertower 2 metre section 38cm Supertower 1 metre section

32 28 35 42 30 15

381.0

38cm Supertower

38cm Tower system end view

Tower lifting system B4250A

Tower lifting system without winch

JAMES

ENGINEERING

FOLLOWSPOTCHAIRS James Thomas Engineering manufacture a range of lightweight follow spot chairs with comfortable rally type seats and safety belts. The chairs come in 5 standard formats as detailed below and are all supplied with one straight and one 45 degree angle adjustable spigot mounting adapters, which allow the use of most types of follow spots available today. The follow spot chairs fit to the truss by means of 4 swivel couplers which are supplied as optional extras. Some models also feature a tray behind the seat for mounting of a ballast.

Universal followspot chair with ballast tray

Part Code Description

B1102 B1103 G0300 T0304 T0305

JAMES

Top mounted follow spot chair with ballast tray Universal follow spot chair with ballast tray Swivel coupler (4 required per chair) Straight followspot spigot Angled followspot spigot

ENGINEERING

Weight

24 33 1

Size

1450 x 698 x 1221 1450 x 762 x 1605

JAMES

ENGINEERING

Load tables 30.5cm Superlite truss Span metres

feet

12 10 8 6 4 2

39.4 32.8 26.2 19.7 13.1 6.5

Uniformly Distributed Load kg lb

135 252 456 743 1,151 1,993

deflection

298 556 1,005 1,638 2,537 4,394

74.5mm 62mm 50mm 32mm 14mm 3mm

Centre Point Load kg lb

68 126 228 372 576 997

48 40 32 24 16 8

106 88 70 53 35 17

150 278 503 820 1,270 2,198

Self Weight

40cm Superlite truss Span metres

feet

16 14 12 10 8 6 4 2

52.5 45.9 39.4 32.8 26.2 19.7 13.1 6.5

Uniformly Distributed Load kg lb

242 325 410 524 687 950 1,181 1,196

deflection

533 716 904 1,155 1,515 2,094 2,604 2,637

100mm 79mm 57.5mm 40mm 25.5mm 14mm 5mm 0.5mm

Centre Point Load kg lb

121 163 205 262 344 475 591 598

76 66.5 57 47.5 38 28.5 19 9.5

267 359 452 578 758 1,047 1,303 1,318

Self Weight lb

167 147 126 105 84 63 42 21

JAMES

ENGINEERING

Load tables 30.5cm Squarelite truss Span metres

feet

13.5 12 10.5 9 7.5 6

44.3 39.4 34.5 29.5 24.6 19.7

Uniformly Distributed Load kg lb

257 366 519 749 1,122 1,558

deflection

567 807 1,703 2,457 2,473 3,435

84.5mm 75mm 65.5mm 56mm 47mm 32.5mm

Centre Point Load kg lb

128.5 183 260 375 561 779

68 60 52.5 45 37.5 30

150 132 116 99 83 66

283 403 573 827 1,237 1,717

Self Weight

40cm Squarelite truss Span metres

16.5 15 13.5 12 10.5 9 7.5 6

feet

54.1 49.2 44.3 39.4 34.5 29.5 24.6 19.7

Uniformly Distributed Load kg lb

332 441 585 781 1,062 1,333 1,344 1,354

deflection

732 972 1,290 1,722 2,341 2,939 2,963 2,985

103mm 94mm 84.5mm 75mm 65.5mm 50.5mm 29.5mm 15mm

Centre Point Load kg lb

166 221 293 391 531 667 672 677

100 90 81 72 63 54 45 36

220 198 179 159 139 119 99 79

366 487 646 862 1,171 1,470 1,481 1,492

Self Weight

JAMES

ENGINEERING

Load tables 30.5cm GP truss Span metres

feet

12 10.5 9 7.5 6 4.5 3

39.4 34.4 29.5 24.6 19.7 14.8 9.8

Uniformly Distributed Load kg lb

405 560 689 863 1,115 1,524 2,327

deflection

893 1,235 1,519 1,903 2,458 3,360 5,130

75mm 65mm 50mm 36.5mm 25.5mm 16mm 9mm

Centre Point Load kg lb

203 280 345 432 558 762 1,164

106 93 79.5 66 53 40 26.5

234 205 175 145 117 88 58

447 617 761 952 1,230 1,680 2,566

Self Weight

52cm GP truss Span metres

feet

15 13.5 12 10.5 9 7.5 6

49.2 44.3 39.4 34.4 29.5 24.6 19.7

Uniformly Distributed Load kg lb

836 963 1,117 1,312 1,565 1,914 2,429

deflection

184 212 2,462 2,892 3,450 4,220 5,355

85mm 71mm 58mm 46.5mm 36mm 27mm 19.5mm

30.5cm GP truss

Centre Point Load kg lb

418 482 559 656 783 957 1,215

921 1,063 1,232 1,446 1,726 2,110 2,679

Self Weight kg

180 170 160 140 120 100 80

397 375 353 309 265 220 176

52cm GP truss

JAMES

ENGINEERING

Load tables 30.5cm Supertruss Span metres

feet

15 13.5 12 10.5 9 7.5 6 4.5 3

49.21 42.29 39.37 34.45 25.53 24.61 19.69 14.76 9.84

Uniformly Distributed Load kg lb

412 561 770 1,060 1,505 2,223 3,128 4,221 4,239

deflection

908 1,237 1,697 2,337 3,318 4,901 6,896 9,306 149,698

94mm 84mm 75mm 66mm 56mm 47mm 33mm 19mm 6mm

Centre Point Load kg lb

206 281 385 530 753 1,111 1,564 2,111 2,120

454 619 849 1,168 1,660 2,449 3,448 4,654 4,674

Self Weight kg

150 135 120 105 90 75 60 45 30

331 298 265 231 198 165 132 99 66

52cm Supertruss Span metres

24 22.5 21 19.5 18 16.5 15 13.5 12 10.5 9 7.5 6

feet

78.74 73.82 68.9 63.98 59.1 54.13 49.21 42.29 39.37 34.45 25.53 24.61 19.69

Uniformly Distributed Load kg lb

452 579 729 910 1,133 1,414 1,777 2,261 2,787 3,292 3,323 3,341 3,359

deflection

996 1,276 1,607 2,006 2,498 3,117 3,917 4,985 6,144 7,257 7,326 7,365 7,405

150mm 141mm 131mm 122mm 112mm 103mm 94mm 84mm 72mm 56mm 35mm 20mm 10mm

30.5cm Supertruss

Centre Point Load kg lb

226 290 365 455 567 707 889 1,131 1,394 1,646 1,662 1,671 1,680

498 639 805 1,003 1,250 1,559 1,960 2,493 3,073 3,629 3,664 3,684 3,704

Self Weight kg

284 266 248.5 231 213 195 177.5 160 142 124 106.5 89 71

52cm Supertruss

626 386 548 509 470 430 391 353 313 273 235 196 156

JAMES

ENGINEERING

Load tables 76 x 52cm Supertruss Span metres

feet

30 28.5 27 25.5 24 22.5 21 19.5 18 16.5 15 13.5 12 10.5 9 7.5

98.4 93.5 88.6 83.7 78.7 73.8 68.9 63.9 59.1 54.1 49.2 44.3 39.4 34.4 29.5 24.6

Uniformly Distributed Load kg lb

701 841 1,010 1,197 1,524 1,685 1,906 2,133 2,403 2,714 3,091 3,545 4,117 4,843 5,340 5,356

deflection

1,545 1,854 2,227 2,639 3,360 3,715 4,202 4,702 5,298 5,983 6,814 7,815 9,076 10,677 11,772 11,808

182mm 174mm 166mm 156mm 156mm 139mm 124mm 109mm 95mm 81mm 68mm 56mm 45mm 35mm 24mm 14mm

Centre Point Load kg lb

351 421 505 599 762 843 953 1,067 1,202 1,357 1,546 1,773 2,059 2,422 2,670 2,678

774 928 1,113 1,320 1,680 1,858 2,101 2,352 2,650 2,992 3,408 3,909 4,539 5,339 5,886 5,904

Self Weight kg

380 361 342 323 304 285 266 247 228 209 190 171 152 133 114 95

838 796 754 712 670 628 586 544 503 461 419 377 335 293 251 209

Supermegatruss Span metres

39 36 33 30 27 24 21 18 15

feet

128 118 108.25 98.42 88.58 78.74 68.9 59.06 49.21

Uniformly Distributed Load kg lb

1,036 1,335 1,679 2,083 2,566 3,159 3,911 4,901 6,275

deflection

2,284 2,943 3,701 4,592 5,657 6,964 8,622 10,804 13,833

161mm 140mm 120mm 102mm 84.5mm 68.5mm 54mm 41mm 29.5mm

Centre Point Load kg lb

518 668 840 1,042 1,283 1,580 1,956 2,450 3,138

1,118 1,032 946 860 774 688 602 516 430

Supermegatruss

76cm x 52cm Supertruss

1,142 1,472 1,851 2,297 2,828 3,483 4,312 5,401 6,918

Self Weight lb

2,464 2,275 2,085 1,896 1,706 1,516 1,327 1,137 948

JAMES

ENGINEERING

Navigation Complex • Navigation Road • Diglis Trading Estate • Worcester • WR5 3DE • United Kingdom T: +44 (0)1905 363600 • E: sales@jamesthomas.co.uk