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34

www.midwesttechnology.com

|

Phone 800.831.5904

|

Fax 800.285.7054

BRIDGE BUILDING KITS &TESTERS

CareerTech Ed / STEM

Lift Bridge Operating Model

Midwest Products

Scale model Bascule

bridge, a drawbridge with counterweight con-

tinuously balances the bridge span. Teaches

the concepts of center of balance, equilibrium

and the lever of a simple machine. Intermedi-

ate-level kit

(for grades 5-12)

contains 1 leaf of

the 2-leaf bridge.

Overall size 12-3/4"L x 4-3/4"W x 5-1/4"H. Scale 1/130.

Includes

precision laser-cut wood parts, hardware, adj. counterweight &

roller platform.

Stk.

Mfr.

Qty.

Price

536450

86702

1 Kit

$12.60

Class Pack

Includes

the above, plus Comprehensive Teacher's Guide

CD which gives National Science Standards, web links, lesson plans for 2

grade levels (5 to 8 & 6 to 12).

Stk.

Mfr.

Qty.

Price

536451

8670

12 Kits

$126.00

BuildingToothpick Bridges

ABS

Students will learn the business and teamwork

aspects of bridge building. Brings practical approach

to math, geometry and social studies through the

exercise of building a bridge.

Includes

teachers guideline & bridge plans.

Stk.

Mfr.

Price

957886

740174

$52.70

Toothpicks

ABS

Stk.

Mfr.

Item

Qty.

Price

957887

740181

Round

800

$5.60

957888

740182

Square

800

$5.60

1/8" Dia. Straws

ABS

Used as axle bearings for dragsters or for building model bridges.

Stk.

Mfr.

Size

Qty.

Price

478215

721043

1/8" dia. x 8"L

500

$11.40

1/4" Dia. Straws

ABS

Used for bridge building.

Stk.

Mfr.

Size

Qty.

Price

957884

700081

1/4" dia. x 7-3/4"L

300

$8.14

Earthquake StructureTester

Kelvin

Have students design and build a tower,

bridge or house from balsa wood. Then attach it to

the Earthquake Machine and turn the earthquake

on. Vary the speed using the variable speed power

supply

(sold separately)

and see how long it takes

before the structure begins to fall apart. Includes

1,000g weight which can be attached to the struc-

ture to give it more destruction mass.

Stk.

Mfr.

Price

492190

840880

$672.00

Variable Speed Power Supply

Stk.

Mfr.

Price

492198

841051

$196.00

Structural Stress Analyzer

AMT

Authentic testing platform designed

to be both dependable and durable, the SSA

enables students to perform materials testing in

the same manner found at the college level - a

perfect experience for inclusion in the student

portfolio. With forces up to 1,000 lbs. the SSA

displays real time data measuring force and deflection of classroom-con-

structed towers, bridges and tensile samples. This stress-strain relationship

curve allows students to analyze and describe the performance of samples

using college level concepts and vocabulary – an essential experience for

college and career readiness.

• Rigid aluminum construction for stable desktop operation

• Maximum breaking force of 1,000 lbs.

• Proprietary graphing software & interface cable, for use with all Windows

based operating systems

• Simple 2 button-operated LCD readout showing maximum force & de-

flection allows for both interfaced & standalone use

• Comprehensive user’s manual & 20 day curriculum

• Mfr.'s 1-yr. warranty & tech support

Size 7"D x 19"W x 35"H. Weight 60 lbs. 120V.

Includes

tensile testing adapter and 15 test samples.

Shown w/computer, mouse & monitor, not included.

Stk.

Mfr.

Price

197801

SSA1000KIT

$4,030.00

Tensile Specimen

AMT

Stk.

Mfr.

Item

Price

197811

TS-A

Aluminum

$8.40

197812

TS-B

Brass

$8.40

197813

TS-S

Steel

$8.40

TensileTester

Fischer

For testing of specimens that will require from

300 - 5,000 lbs.

(+/- 1% Accuracy )

of tensile load to cause

fracture. Consisting of a load frame and a pumping system,

the operator has precise control over the entire opera-

tion. Self-tightening grips accept up to 0.125" x 1.13" cross

section, but the 5,000 lb. maximum load limits the largest

specimen that can be tested

(varies according to material strength).

Provides

digital readout of live & peak loads. Meets ASME, AWS Codes & MIL Stan-

dards. Calibration

(ASTM E4)

traceable to NIST Standards.

Tester 31"H x 7"W x 4"D. Pump 6"H x 4"W x 14"D. Weight 34 lbs.

Includes

hand-operated pump.

Stk.

Mfr.

Price

405903

TT2

$2,941.00

HOME PLANNING KITS

Home Quick Planner

DesignWorks Inc

Kit allows you to organize

and change plans without having to draw and

redraw your layout. Provides a full assortment

of 1/4" scale, pre-cut, reusable, peel and stick

symbols to place directly onto sketch or blue-

print or to 5,600 sq. ft. floor plan grid. Add

color and detail to each Quick Planner symbol to help visualize exactly how

real item will look in the home.

Includes

hundreds of furniture & architectural symbols, 5,600 sq. ft. floor

plan, plus design notes & checklist to help design & evaluate plans.

Stk.

Mfr.

Price

322300

HQP

$23.80