SIST EN 14035-3:2004
(Main)Fireworks - Part 3: Aerial wheels - Specification and test methods
Fireworks - Part 3: Aerial wheels - Specification and test methods
This document specifies requirements for the construction, performance, primary packaging and labelling of aerial wheels and the corresponding test methods. It is applicable to fireworks which are classified as aerial wheels in category 3 in EN 14035-2 and which are supplied together with a launching device.
It is not applicable to aerial wheels containing pyrotechnic composition that includes any of the following substances:
- arsenic or arsenic compounds;
- mixtures containing a mass fraction of chlorates greater than 80 %;
- mixtures of chlorates with metals;
- mixtures of chlorates with red phosphorus;
- mixtures of chlorates with potassium hexacyanoferrate(II);
- mixtures of chlorates with sulfur;
- mixtures of chlorates with sulfides;
- lead or lead compounds;
- mercury compounds;
- white phosphorus;
- picrates or picric acid;
- potassium chlorate with a mass fraction of bromates greater than 0,15 %;
- sulfur with an acidity, expressed in mass fraction of sulphuric acid, greater than 0,002 %;
- zirconium with a particle size of less than 40 mm.
NOTE In EN 14035-2, aerial wheels are classified as follows:
- brief description: tubes containing propellant charges, sparks, flame and/or noise producing pyrotechnic compositions, the tubes being fixed to a support ring;
- principal effects: rotation and ascent, with emission of sparks and flames, producing a visual and/or aural effect in the air.
Schemes for type testing of aerial wheels and batch testing of aerial wheels are specified in annex A and annex B respectively.
Requirements for construction, performance, labelling, sampling and testing of aerial wheels
Feuerwerkskörper - Teil 3: Steigende Kronen - Anforderungen und Prüfverfahren
Dieses Dokument legt Anforderungen an die Konstruktion, Funktion, kleinste Verpackungseinheit und Beschriftung von Steigenden Kronen und die entsprechenden Prüfverfahren fest. Es gilt für Feuerwerkskörper, die als Steigende Kronen in der Kategorie 3 in der EN 14035-2 eingruppiert sind und mit einer Startvorrichtung geliefert werden.
Es gilt nicht für Steigende Kronen, die pyrotechnischen Satz enthalten, in dem eine der nachfolgend aufgeführten Substanzen enthalten ist:
- Arsen und Arsenverbindungen,
- Blei und Bleiverbindungen,
- Kaliumchlorat mit einem Massenanteil an Bromaten von mehr als 0,15 %,
- Mischungen mit einem Massenanteil an Chloraten von mehr als 80 %,
- Mischungen von Chloraten mit Metallen,
- Mischungen von Chloraten mit rotem Phosphor,
- Mischungen von Chloraten mit Kaliumhexacyanoferrat(II),
- Mischungen von Chloraten mit Schwefel,
- Mischungen von Chloraten mit Sulfiden,
- Pikrate und Pikrinsäure,
3 Quecksilberverbindungen,
- weißer Phosphor,
- Schwefel mit einem Massenanteil an freier Säure (angegeben als H2SO4) von mehr als 0,002 %,
- Zirkon mit einer Korngröße von weniger als 40 mm.
ANMERKUNG In der EN 14035-2 sind Steigende Kronen wie folgt klassifiziert:
- Kurzbeschreibung: Hülsen, die Treibladungen, funken-, flammen- und/oder geräuscherzeugende pyrotechnische Sätze enthalten und an einem Trägerring befestigt sind;
- Hauptwirkungen: Drehbewegung und Aufstieg mit Erzeugung von Funken und Flammen und Ausstoß pyrotechnischer Bauteile, die in der Luft optische und/oder akustische Wirkung erzeugen.
Übersichten für die Typ-Prüfung von Steigenden Kronen und Los-Prüfung von Steigenden Kronen sind in Anhang A beziehungsweise Anhang B angegeben.
Artifices de divertissement - Partie 3: Soucoupes volantes - Spécifications et méthodes d'essai
Ognjemet – 3. del: Leteči krožniki – Specifikacija in preskusne metode
General Information
Relations
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Fireworks - Part 3: Aerial wheels - Specification and test methodsHWRGHArtifices de divertissement - Partie 3: Soucoupes volantes - Spécifications et méthodes d'essaiFeuerwerkskörper - Teil 3: Steigende Kronen - Anforderungen und PrüfverfahrenTa slovenski standard je istoveten z:EN 14035-3:2004SIST EN 14035-3:2004en71.100.30ICS:SLOVENSKI
STANDARDSIST EN 14035-3:200401-november-2004
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 14035-3August 2004ICS 71.100.30English versionFireworks - Part 3: Aerial wheels - Specification and testmethodsArtifices de divertissement - Partie 3: Soucoupes volantes -Spécifications et méthodes d'essaiFeuerwerkskörper - Teil 3: Steigende Kronen -Anforderungen und PrüfverfahrenThis European Standard was approved by CEN on 14 June 2004.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2004 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 14035-3:2004: E
EN 14035-3:2004 (E) 2 Contents page Foreword.4 1 Scope.6 2 Normative references.7 3 Terms and definitions.7 4 Construction.7 4.1 Means of ignition.7 4.2 Attachment of protruding fuse.7 4.3 Protection of initial fuse.7 4.3.1 General.7 4.3.2 Initial fuse protected by fuse cover.7 4.3.3 Initial fuse protected by primary pack.8 4.3.4 Protruding fuse designed to resist side ignition.8 4.4 Materials of firework case.8 4.5 Integrity.8 4.6 Net explosive content.8 5 Performance.8 5.1 Initial fuse.8 5.2 Principal effects.8 5.3 Functioning.8 5.4 Height of explosions.8 5.5 Stabilization of flight.9 5.6 Sound pressure level.9 5.7 Burning matter.9 5.8 Angle of ascent.9 5.9 Projected debris.9 5.10 Mass of debris.9 6 Primary pack.9 7 Minimum labelling requirements.9 7.1 General.9 7.2 Type name and category.10 7.3 Safety information.10 7.3.1 General.10 7.3.2 Aerial wheels.10 7.3.3 Identification of top side.10 7.4 Name, address and telephone number of manufacturer or distributor or importer.10 7.5 Reference to this standard.11 7.6 Printing.11 7.6.1 Labelling.11 7.6.2 Type size.11 7.7 Additional information on the primary pack (if applicable).11 8 Test methods.11 8.1 Attachment of protruding fuse (type test and batch test).11 8.1.1 Apparatus.11 8.1.2 Procedure.11 8.2 Performance (type test and batch test).12 8.2.1 Test environment.12 8.2.2 Apparatus.12 8.2.3 Procedure.15 8.3 Determination of net explosive content (type test).16 8.3.1 Apparatus.16 8.3.2 Procedure.16 8.4 Side ignition of initial fuse (type test).16
EN 14035-3:2004 (E) 3 8.4.1 Material.16 8.4.2 Test area.16 8.4.3 Apparatus.16 8.4.4 Test specimen.16 8.4.5 Procedure.16 8.5 Labelling (type test and batch test).17 Annex A (normative) Type testing.18 Annex B (normative) Batch testing.26 Annex C (normative) Method for determination of smouldering rate of cigarette.29 Annex D (informative) A-Deviations.30
EN 14035-3:2004 (E) 4 Foreword This document (EN 14035-3:2004) has been prepared by Technical Committee CEN/TC 212 “Fireworks”, the secretariat of which is held by NEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by February 2005, and conflicting national standards shall be withdrawn at the latest by February 2005. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard : Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. This European Standard is one of a series of standards as listed below. EN 14035-1, Fireworks - Part 1: Terminology. EN 14035-2, Fireworks - Part 2: Categorisation. EN 14035-3, Fireworks - Part 3: Aerial wheels - Specification and test methods. EN 14035-4, Fireworks - Part 4: Bangers and banger batteries - Specification and test methods. prEN 14035-5, Fireworks - Part 5: Batteries and combinations - Specification and test methods. EN 14035-6, Fireworks - Part 6: Bengal flames - Specification and test methods. EN 14035-7, Fireworks - Part 7: Bengal matches - Specification and test methods. EN 14035-8, Fireworks - Part 8: Bengal sticks - Specification and test methods. EN 14035-9, Fireworks - Part 9: Crackling granules - Specification and test methods. EN 14035-10, Fireworks - Part 10: Double bangers - Specification and test methods. EN 14035-12, Fireworks - Part 12: Flash bangers and flash banger batteries - Specification and test methods. EN 14035-13, Fireworks - Part 13: Flash pellets - Specification and test methods. EN 14035-15, Fireworks - Part 15: Fountains - Specification and test methods. EN 14035-17, Fireworks - Part 17: Ground spinners - Specification and test methods. prEN 14035-18, Fireworks - Part 18: Hand-held fountains - Specification and test methods. EN 14035-19, Fireworks - Part 19: Hand-held sparklers - Specification and test methods. prEN 14035-20, Fireworks - Part 20: Jumping crackers - Specification and test methods. prEN 14035-21, Fireworks - Part 21: Jumping ground spinners - Specification and test methods. EN 14035-22, Fireworks - Part 22: Mines - Specification and test methods. EN 14035-23, Fireworks - Part 23: Non-hand-held sparklers - Specification and test methods.
EN 14035-3:2004 (E) 5 EN 14035-24, Fireworks - Part 24: Novelty matches - Specification and test methods. prEN 14035-25, Fireworks - Part 25: Party poppers - Specification and test methods. EN 14035-27, Fireworks - Part 27: Rockets - Specification and test methods. EN 14035-28, Fireworks - Part 28: Roman candles - Specification and test methods. EN 14035-29, Fireworks - Part 29: Serpents - Specification and test methods. prEN 14035-31, Fireworks - Part 31: Shell-in-mortars - Specification and test methods. prEN 14035-32, Fireworks - Part 32: Snaps - Specification and test methods. prEN 14035-33, Fireworks - Part 33: Spinners - Specification and test methods. EN 14035-34, Fireworks - Part 34: Table bombs - Specification and test methods. prEN 14035-35, Fireworks - Part 35: Throwdowns - Specification and test methods. EN 14035-36, Fireworks - Part 36: Wheels - Specification and test methods. prEN 14035-37, Fireworks - Part 37: Whistlers - Specification and test methods. prEN 14035-38, Fireworks - Part 38: Shot tubes - Specification and test methods.
EN 14035-3:2004 (E) 6 1 Scope This document specifies requirements for the construction, performance, primary packaging and labelling of aerial wheels and the corresponding test methods. It is applicable to fireworks which are classified as aerial wheels in category 3 in EN 14035-2 and which are supplied together with a launching device. It is not applicable to aerial wheels containing pyrotechnic composition that includes any of the following substances: — arsenic or arsenic compounds; — mixtures containing a mass fraction of chlorates greater than 80 %; — mixtures of chlorates with metals; — mixtures of chlorates with red phosphorus; — mixtures of chlorates with potassium hexacyanoferrate(II); — mixtures of chlorates with sulfur; — mixtures of chlorates with sulfides; — lead or lead compounds; — mercury compounds; — white phosphorus; — picrates or picric acid; — potassium chlorate with a mass fraction of bromates greater than 0,15 %; — sulfur with an acidity, expressed in mass fraction of sulphuric acid, greater than 0,002 %; — zirconium with a particle size of less than 40 µm. NOTE In EN 14035-2, aerial wheels are classified as follows: — brief description: tubes containing propellant charges, sparks, flame and/or noise producing pyrotechnic compositions, the tubes being fixed to a support ring; — principal effects: rotation and ascent, with emission of sparks and flames, producing a visual and/or aural effect in the air. Schemes for type testing of aerial wheels and batch testing of aerial wheels are specified in annex A and annex B respectively.
EN 14035-3:2004 (E) 7
2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 14035-1:2003, Fireworks — Part 1: Terminology. EN 14035-2, Fireworks — Part 2: Categorisation. EN 61672-1, Electroacoustics - Sound level meters -
Part 1: Specifications (IEC
61672-1:2002) EN 61672-2, Electroacoustics - Sound level meters -
Part 2: Pattern evaluation tests (IEC
61672-2:2003) EN ISO 845, Cellular plastics and rubbers — Determination of apparent (bulk) density (ISO 845:1988). EN ISO 868, Plastics and ebonite - Determination of indentation hardness by means of a durometer (Shore hardness) (ISO 868:2003). EN ISO 2439, Flexible cellular polymeric materials - Determination of hardness (indentation technique) (ISO 2439:1997, including Technical Corrigendum 1:1998). ISO 2859-1, Sampling procedures for inspection by attributes — Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection. 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 14035-1:2003 apply. 4 Construction 4.1 Means of ignition The means of ignition shall be identified by a protruding fuse. Conformity to this requirement shall be verified by visual examination. 4.2 Attachment of protruding fuse The attachment of the protruding fuse to the aerial wheel shall be secure when tested in accordance with 8.1. 4.3 Protection of initial fuse 4.3.1 General The initial fuse shall be protected in one of the ways specified in 4.3.2, 4.3.3 or 4.3.4. 4.3.2 Initial fuse protected by fuse cover An orange fuse cover shall be in place over the initial fuse. Conformity to this requirement shall be verified by visual examination.
EN 14035-3:2004 (E) 8 4.3.3 Initial fuse protected by primary pack or selection pack The aerial wheel shall be contained in a primary pack or selection pack complying with clause 6. Conformity to this requirement shall be verified by visual examination. 4.3.4 Protruding fuse designed to resist side ignition When tested in accordance with 8.4, the protruding fuse shall not ignite. 4.4 Materials of firework case The body of the firework case shall be made of paper, cardboard or plastics. The other components in the assembly, excluding staples, launching device and means of attaching to the support, shall be made of paper, cardboard, wood or plastics. Conformity to these requirements shall be verified by visual examination. 4.5 Integrity There shall be no holes, splits, dents or bulges in the body of the firework case, except those technically necessary for the correct functioning of the aerial wheel. There shall be no holes or splits in the end closures. If the end closures are separate components, they shall be securely in place. Conformity to these requirements shall be verified by visual examination. 4.6 Net explosive content When determined in accordance with 8.3, an aerial wheel shall have a net explosive content of not more than 160,0 g and shall not contain more than 8 pyrotechnic units. A pyrotechnic unit shall have a net explosive content of not more than 20,0 g. No report charge, if any, shall have a net explosive content of not more than 10,0 g of black powder or 10,0 g of nitrate/metal-based report composition or 5,0 g of perchlorate/metal-based report composition. 5 Performance 5.1 Initial fuse When tested in accordance with 8.2, the protruding fuse of an aerial wheel shall ignite within 10 s and the ignition shall be visible. The duration of the initial fuse burning shall be 5,0 s to 13,0 s, when tested in accordance with 8.2. 5.2 Principal effects When tested in accordance with 8.2, the principal effects of the aerial wheel, as given in EN 14035-2, shall be rotation and ascent, with emission of sparks and flames, producing a visual and/or aural effect in the air. 5.3 Functioning When tested in accordance with 8.2, all pyrotechnic units of the aerial wheel shall function completely. 5.4 Height of explosions When tested in accordance with 8.2, no explosion shall occur below a height of 20 m.
EN 14035-3:2004 (E) 9 5.5 Stabilization of flight When tested in accordance with 8.2, the means for stabilization of flight shall not become detached before the principal effects, other than ascent, occur. 5.6 Sound pressure level When tested in accordance with 8.2, an aerial wheel shall produce a maximum A-weighted impulse sound pressure level (LAImax) of not higher than 120 dB (AI), at a horizontal distance of 15,0 m from the testing point and a height of 1,0 m above the ground. 5.7 Burning matter When tested in accordance with 8.2, any burning or incandescent matter resulting from any effect produced by the aerial wheel, other than effects concomitant with ascent, shall be extinguished at least 10 m above ground. 5.8 Angle of ascent When tested in accordance with 8.2, the angle of ascent of the aerial wheel shall not exceed 15°. 5.9 Projected debris When tested in accordance with 8.2, no debris from an aerial wheel, other than debris resulting from effects concomitant with ignition and ascent, shall be projected laterally more than 15,0 m from the testing point. 5.10 Mass of debris When tested in accordance with 8.2, any particle of debris from an aerial wheel shall not exceed a mass of 150,0 g. 6 Primary pack or selection pack If a primary pack or selection pack is required to protect the initial fuse(s) of the aerial wheel(s) (see 4.3.3), the pack shall completely enclose the aerial wheel(s). There shall be no holes or splits in the pack, except those which are intended to enable the pack to be opened and those which are otherwise technically necessary. Conformity to these requirements shall be verified by visual examination. 7 Minimum labelling requirements 7.1 General Aerial wheels and their primary packs, if any, shall be marked with the information specified in 7.2 to 7.5 and 7.7. The specified information shall be given in the language(s) of the country in which the aerial wheels or primary packs are offered for retail sale. For each language, it shall be presented as a whole and shall not be interrupted by other text. Additional text given in another language shall not conflict with the specified information. Conformity to the requirements specified in 7.1 to 7.5, 7.6.1 and 7.7 shall be verified by visual examination. NOTE Examples of typical labels for bangers, for which many of the marking requirements are similar to those specified for aerial wheels in this standard, are given in EN 14035-4.
EN 14035-3:2004 (E) 10 7.2 Type name and category The type name shall be marked, in upper case, as 'AERIAL WHEEL'. If a trade name is used in addition to the type name, it shall not conflict with the principal effects of an aerial wheel or with the name of another type of firework. The category shall be marked, in upper case, as 'CATEGORY 3' or 'CAT 3'. 7.3 Safety information 7.3.1 General Safety information shall be emphasized by use of a heading, or bold type, or similar. If necessary, instructions in addition to those specified in 7.3.2 to 7.3.3 may be given. 7.3.2 Aerial wheels Labelling shall include at least the following safety information in the order as given: — 'For outdoor use only'; — 'Avoid overhead obstructions'; — 'Place singly on launching device provided the correct way up'; — 'Remove orange fuse cover'1); — 'Standing sideways, light fuse at its outermost end and retire immediately'; — 'Spectators must be at least 25 m away'; — 'Operator must retire at least 15 m'. 7.3.3 Identification of top side The top side of the aerial wheels shall be marked with — 'This side up'. 7.4 Name, address and telephone number of manufacturer or distributor or importer Labelling shall include: — the name or trade mark, the address and the telephone number of the manufacturer; or — an abbreviation or a code allowing the identification of the manufacturer, and the name or trade mark, the address and the telephone number
— of his authorized distributor; or — if the manufacturer is not established in a CEN member country, of the importer in a CEN member country. The address shall comprise at least the town and the country. On the aerial wheel at least the abbreviations allowing the identification of — the manufacturer; or — the distributor or importer, with an additional code or abbreviation for the manufacturer shall be marked.
1) If applicable.
EN 14035-3:2004 (E) 11 7.5 Reference to this standard An aerial wheel shall be marked with ‘EN 14035-3'. A primary pack shall be marked with the words 'Contents conform to EN 14035-3'. 7.6 Printing 7.6.1 Labelling Labelling shall be clearly visible, easily legible, indelible and on a single-colour background. NOTE Printing errors which are not misleading should not be classified as faults. 7.6.2 Type size When measured in accordance with 8.5, the type sizes shall be such that the height of the character ‘X’ (in upper case) is at least 2,8 mm for the information specified in 7.2, 7.3 and 7.7 and at least 2,1 mm for the other information. 7.7 Additional information on the primary pack (if applicable) If the aerial wheel is not labelled completely with the information specified in 7.2 to 7.5, or if the primary pack acts as protection of the initial fuses according to 4.3.3, the aerial wheel shall be sold only in a primary pack. The pack shall be marked with the statement 'Must be sold as packaged'. This statement shall appear adjacent to the type name or category. For the printing 7.6 applies. 8 Test methods NOTE Verification of conformity to the requirements in 4.1, 4.3.2 or 4.3.3, 4.4, 4.5, clause 6, 7.1 to 7.5, 7.6.1 and 7.7 is by visual examination. 8.1 Attachment of protruding fuse (type test and batch test) 8.1.1 Apparatus 8.1.1.1 Means of clamping the aerial wheel. 8.1.1.2 Weight, of mass 100 g. 8.1.1.3 Timing device, capable of being read to the nearest 0,1 s. 8.1.2 Procedure Clamp the aerial wheel by means of the clamping device (8.1.1.1) in a position such that the protruding fuse is pointing vertically downwards. Securely attach the 100 g weight (8.1.1.2) to the protruding fuse. Using the timing device (8.1.1.3), determine and record, whether the protruding fuse will support the weight for at least 10 s without becoming detached. If the protruding fuse becomes detached, do not proceed with further testing of that aerial wheel.
EN 14035-3:2004 (E) 12 8.2 Performance (type test and batch test) 8.2.1 Test environment 8.2.1.1 Test area. The test area shall be an outdoor site, on level ground, with a radius of at least 16 m and a smooth, hard, horizontal, sound-reflecting, non-flammable surface. A circle, radius 15,0 m, shall be marked around the centre of the test area. Two positions for monitoring the height of ascent and the angle of ascent shall be provided, at a measured distance of at least 50 m from the testing point (in the centre of the test area) and at 90° to each other in relation to the testing point. If the monitoring positions and the testing point are not in the same horizontal plane, appropriate corrections shall be made in the calculation of heights. 8.2.1.2 Wind speed. A means of measuring the wind speed at a height of 1,5 m above the ground shall be provided. No performance testing shall be carried out if the wind speed exceeds 5,0 m/s. 8.2.2 Apparatus 8.2.2.1 Timing device, suitable of displaying at least one intermediate time, capable of being read to the nearest 0,1 s. 8.2.2.2 Means for monitoring the angle of ascent, capable of indicating vertical heights of 5 m (for batch testing only), 10 m and 20 m above the ground and of indicating deviations of the ascent of the aerial wheel of 15° and (for batch testing only) 30° from the vertical at a height of 20 m. Two such items of apparatus are required. NOTE 1 A suitable viewing screen is shown in Figure 1 and the principle of its use is shown in Figure 2. NOTE 2 A vertical height of 5 m can be indicated by 5 m poles around the perimeter of the test area and the 10 m height can be estimated using the same poles. Distance x is given, in mm, by the equation: Where y is the distance in m, from the viewing point to the testing point (see Figure 2). The observer is positioned so that the bottom edge of the triangle on the front screen coincides with the base of the aerial wheel and the bottom edge of the back screen coincides with the bottom edge of the horizontal tape on the front screen. −=y600 x 19,4600x
EN 14035-3:2004 (E) 13 Dimensions in millimetres
Key 1 Acrylic glass 2 Black tape, 10 mm to 20 mm wide 3 Solid base 4 Stand Figure 1 – Viewing screen
EN 14035-3:2004 (E) 14
Key 1 Base of aerial wheel before firing 2 Sighting device 3 Position of observer Figure 2 – Use of a viewing screen to monitor a height of 20 m
EN 14035-3:2004 (E) 15 8.2.2.3 Means of launching the aerial wheel, supplied with the aerial wheel. 8.2.2.4 Ignition source, capable of producing a small flame or of smouldering. 8.2.2.5 Laboratory balance, capable of weighing to the nearest 0,1 g. 8.2.2.6 Sound level meter (for type testing
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