{"id":126614,"date":"2024-10-19T05:38:51","date_gmt":"2024-10-19T05:38:51","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-17860-32024\/"},"modified":"2024-10-24T23:21:15","modified_gmt":"2024-10-24T23:21:15","slug":"bs-en-17860-32024","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-17860-32024\/","title":{"rendered":"BS EN 17860-3:2024"},"content":{"rendered":"

This standard specifies mechanical aspects of lightweight multi track carrier cycles.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
2<\/td>\nundefined <\/td>\n<\/tr>\n
7<\/td>\nEuropean foreword <\/td>\n<\/tr>\n
8<\/td>\nIntroduction <\/td>\n<\/tr>\n
9<\/td>\n1 Scope
2 Normative references
3 Terms and definitions
4 Use cases: private and commercial\/professional use <\/td>\n<\/tr>\n
10<\/td>\n5 General vehicle requirements
5.1 Numbers and condition of specimens for the strength tests
5.2 Accuracy tolerances of test conditions for brake tests and strength tests
5.3 Protrusions
5.4 Sharp edges
5.5 Securing and strength of safety-relevant fasteners
5.6 Shimmy
5.7 Requirements for loading areas\/load securing
5.8 Parking and stability
5.8.1 Requirement <\/td>\n<\/tr>\n
11<\/td>\n5.8.2 Tipping stability of multi track carrier cycles
5.8.2.1 Static tipping stability of multi track carrier cycles
5.8.2.2 Test method
Figure 1 \u2014 Static tipping stability
5.8.3 Parking stability while loading
5.8.3.1 Requirements
5.8.3.2 Test method <\/td>\n<\/tr>\n
12<\/td>\nFigure 2 \u2014 Parking stability while loading
5.8.4 Dynamic tipping stability of multi track carrier cycles
5.8.4.1 Requirement
5.8.4.2 Test method <\/td>\n<\/tr>\n
13<\/td>\nTable 1 \u2014 Reference values for centripetal acceleration
5.8.5 Dynamic tipping stability on slopes
5.8.5.1 General
5.8.5.2 Requirement
5.8.5.3 Test method
5.8.5.3.1 General
5.8.5.3.2 Starting forwards horizontal and uphill <\/td>\n<\/tr>\n
14<\/td>\n5.8.5.3.3 Stopping forwards downhill
5.8.5.3.4 Stopping backwards downhill
5.8.6 Prevention of wheel jamming of multi track carrier cycles <\/td>\n<\/tr>\n
15<\/td>\nFigure 3 \u2014 Example of deflection devices
5.9 Pedal clearance
5.9.1 Ground clearance <\/td>\n<\/tr>\n
16<\/td>\n5.9.2 Toe clearance
5.10 Wheel and tyre assembly \u2013 clearance
5.11 Wheel retention
5.11.1 General
5.11.2 Wheel retention \u2013 retention devices secured
5.11.2.1 Requirement
5.11.2.2 Test method
5.11.3 Front wheel retention \u2013 retention devices unsecured <\/td>\n<\/tr>\n
17<\/td>\n5.11.4 Wheels \u2013 quick release devices \u2013 operation features
5.12 Vibrations, ergonomics and design
6 Brakes
6.1 General
6.2 Hand-operated brakes
6.2.1 Brake lever position
6.2.2 Brake-lever grip dimension
6.2.3 Attachment of brake assembly and cable requirements <\/td>\n<\/tr>\n
18<\/td>\n6.2.4 Brake-lever \u2013 Position of applied force
Figure 4 \u2014 Position of applied force on the brake-lever type A
6.2.5 Brake-block and brake-pad assemblies \u2013 Safety test
6.2.5.1 Requirements
6.2.5.2 Test method
6.2.6 Hand-operated braking-system \u2013 Strength test
6.2.6.1 Requirement <\/td>\n<\/tr>\n
19<\/td>\n6.2.6.2 Test method
6.2.7 Back-pedal braking system \u2013 Strength test
6.2.7.1 General
6.2.7.2 Requirement
6.2.7.3 Test method <\/td>\n<\/tr>\n
20<\/td>\nFigure 5 \u2014 Back-pedal brake test
6.3 Requirements of the test method on a test track
6.4 Requirements of the test method on a test bench
6.5 Tests <\/td>\n<\/tr>\n
21<\/td>\n7 Steering
7.1 General <\/td>\n<\/tr>\n
22<\/td>\nFigure 6 \u2014 Carrier cycle steering systems <\/td>\n<\/tr>\n
23<\/td>\n7.2 Handlebar
7.2.1 General
7.2.2 Handlebar stem \u2013 Insertion-depth mark or positive stop
7.2.3 Handlebar stem to fork steerer \u2013 Clamping requirements
7.2.4 Handlebar grips or handlebar plugs
7.2.5 Steering unit \u2013 Static strength and fastening tests
7.2.6 Handlebar stem: Forward bending test
7.2.7 Handlebar to handlebar stem \u2014 Torsional security test
7.3 Dynamic steering test
7.4 Handlebar\/stem unit \u2013 Dynamic test
8 Frame
8.1 Suspension frames \u2014 Special requirements
8.2 Requirements for all frame types <\/td>\n<\/tr>\n
24<\/td>\n8.3 Frame \u2013 Dynamic test with pedalling forces
8.3.1 General
8.3.2 Test method <\/td>\n<\/tr>\n
27<\/td>\nFigure 7 \u2014 Frame \u2013 Dynamic test with pedalling forces
8.4 Frame \u2013 Dynamic test with horizontal forces
8.4.1 General
8.4.2 Determination of the test loads
8.4.2.1 General
8.4.2.2 Overall centre of gravity position far to the rear\/down ( \u2265 0,8 ) <\/td>\n<\/tr>\n
28<\/td>\n8.4.2.3 Overall centre of gravity at the front\/high ( < 0,8 )
8.4.3 Test method <\/td>\n<\/tr>\n
29<\/td>\nFigure 8 \u2014 Frame \u2013 Dynamic test with horizontal forces <\/td>\n<\/tr>\n
30<\/td>\n8.5 Frame \u2014 Dynamic test with a vertical force onto the seatpost
8.6 Frame \u2013 Dynamic test with vertical forces onto the loading area
8.7 Frame \u2013 Dynamic test with lateral forces
8.7.1 General <\/td>\n<\/tr>\n
31<\/td>\n8.7.2 Requirement
8.7.3 Test method
Table 2 \u2014 Test cycles \u2013 Frame \u2013 Dynamic test with lateral forces <\/td>\n<\/tr>\n
32<\/td>\nFigure 9 \u2014 Schematic top view of a three track vehicle <\/td>\n<\/tr>\n
33<\/td>\nFigure 10 \u2014 Schematic top view – three track test setup for test load applied to single wheel
Figure 11 \u2014 Schematic front view \u2013 multi track test setup for test load applied to axle with two wheels
8.8 Frame \u2013 Brake mount test
8.8.1 Requirements <\/td>\n<\/tr>\n
34<\/td>\nTable 3 \u2014 Lever lengths with different tyre diameters
8.8.2 Brake mount fatigue test
8.8.3 Brake mount static torque test <\/td>\n<\/tr>\n
35<\/td>\n8.9 Frame \u2013 Trailer suitability stress test
8.9.1 Requirement
8.9.2 Test method
9 Front wheel fork
10 Wheels and wheel\/tyre assembly
10.1 Wheels\/tyre assembly \u2013 Concentricity tolerance and lateral tolerance
10.1.1 Requirements
10.2 Wheel\/tyre assembly \u2013 static strength test
10.2.1 Requirements <\/td>\n<\/tr>\n
36<\/td>\n10.2.2 Test method
Figure 12 \u2014 Wheel\/tyre assembly: static strength test
10.3 Wheel and wheel\/tyre unit \u2014 Dynamic test for carrier cycles
10.3.1 Requirement <\/td>\n<\/tr>\n
37<\/td>\n10.3.2 Test method
10.3.2.1 General
Figure 13 \u2014 Wheel\/tyre unit \u2013 Dynamic test for multi track carrier cycles
10.3.2.2 Test method for step 1 <\/td>\n<\/tr>\n
38<\/td>\nTable 4 \u2014 Test cycles \u2014 Wheel and wheel\/tyre unit \u2013 Dynamic test step 1
10.3.2.3 Test method for step 2
Table 5 \u2014 Test cycles \u2014 Wheel and wheel\/tyre unit \u2014 Dynamic test step 2
11 Rims, tyres and tubes
11.1 General
11.2 Tyre inflation pressure
11.3 Tyre and rim compatibility <\/td>\n<\/tr>\n
39<\/td>\n11.4 Rim-wear
11.5 Greenhouse effect test for composite wheels
11.5.1 General
11.5.2 Requirement
11.5.3 Test method <\/td>\n<\/tr>\n
40<\/td>\nFigure 14 \u2014 Maximum rim’s width measuring
Figure 15 \u2014 Wheel laid down on tire and axle
12 Mudguards\/wheel covers
13 Pedals and pedal\/crank drive system
14 Drive chain and drive belt
15 Chain-wheel and belt-drive protective device
16 Saddles, seatposts and seats
16.1 Saddles and seatposts <\/td>\n<\/tr>\n
41<\/td>\n16.2 Seats
16.2.1 Requirement
16.2.2 Test method for dynamic loads
Table 6 \u2014 Values for dynamic seat test
16.2.3 Test method for static loads <\/td>\n<\/tr>\n
42<\/td>\nTable 7 \u2014 Values for static seat test
Figure 16 \u2014 Loading pad for the backrest <\/td>\n<\/tr>\n
43<\/td>\nFigure 17 \u2014 Loading pad for the seat surface
17 Lighting systems and reflectors
18 Warning device
19 Rear-view mirror
20 Safety belts for cyclists <\/td>\n<\/tr>\n
44<\/td>\n21 Marking
22 Manufacturer\u2019s instructions
23 Structural integrity test <\/td>\n<\/tr>\n
45<\/td>\nAnnex A (normative) Test of cycles professional\/commercial use
Table A.1 \u2014 Test cycles <\/td>\n<\/tr>\n
46<\/td>\nAnnex B (informative) Calculation of the centre of gravity of cycles or carrier cycles
B.1 Experimental determination of the centre of gravity
B.1.1 General
Figure B.1 \u2014 Free body diagram (cycle) for calculating the centre of gravity <\/td>\n<\/tr>\n
48<\/td>\nFigure B.2 \u2014 Weighing the cycle on the ground (horizontal measurement) <\/td>\n<\/tr>\n
49<\/td>\nB.1.2 Measurement and calculation results (example 1)
Figure B.3 \u2014 Inclined weighing of the cycle (measurement with raised front or rear wheel)
Table B.1 \u2014 Weight distribution on the cycle shown above <\/td>\n<\/tr>\n
50<\/td>\nTable B.2 \u2014 Centres of gravity of the cycles
Figure B.4 \u2014 Centre of gravity determined on the example cycle
B.1.3 Centre of gravity determination on multi track vehicles or carrier cycles
B.1.3.1 General
Figure B.5 \u2014 Tricycle or carrier cycle (side view) <\/td>\n<\/tr>\n
51<\/td>\nFigure B.6 \u2014 Tricycle or carrier cycle (side view, inclined position)
Figure B.7 \u2014 Tricycle or carrier cycle (rear view) <\/td>\n<\/tr>\n
52<\/td>\nB.1.3.2 Measurement and calculation results
Table B.3 \u2014 Weight distribution on the carrier tricycle
Table B.4 \u2014 Centre of gravity of the carrier cycle
B.2 Calculation of the centre of gravity <\/td>\n<\/tr>\n
54<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Carrier Cycles – Lightweight multi track carrier cycles. Mechanical aspects<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2024<\/td>\n56<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":126615,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-126614","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/126614","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/126615"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=126614"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=126614"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=126614"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}