Shoei Neotec vs Schuberth C3 Test.
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Shoei Neotec vs Schuberth C3 Test.
- 1. Mecanismo de Pantalla Diferencia del Contacto Movimiento de apertura y cierre DOWN PRESS
- 2. SHIELD SYSTEM Diferencia del contacto del borde con la junta de goma NEOTEC C3 Visera Junta de goma Calota Visera Junta de goma Calota
- 4. C3NEOTEC Mecanismo de pantalla PINLOCK Antivaho NEOTEC C3
- 5. Mentonera Movimiento de apertura y cierre
- 7. Cierre Micrométrico Diferencia de resistencias de material C3 Roto a: 3065 N N103 Roto a: 1922 N EVO Line Roto a: 2130 N
- 8. Cierre Micrométrico Diferencia de resistencias de material Neotec Sin rotura por encima de: 3442N
- 10. Acolchado central NEOTEC C3 Ancho Muy Estrecho
- 13. Diferencia le la estructura de las capas de espuma de poliuretano NEOTEC C3 6 capas Anatómica 2 capas Plana
- 14. 5 2 4 3 １ 6 7 Diferencia le la estructura de las capas de espuma de poliuretano NEOTEC Capas encoladas en toda su superficie
- 15. １ …２ Pegada parcialmente con adhesivo de doble cara Diferencia le la estructura de las capas de espuma de poliuretano C3
- 16. Diferencia le la estructura de las capas de espuma de poliuretano Presión para desplazar 15mm NEOTEC C3
- 17. Mayor sujección Diferencia le la estructura de las capas de espuma de poliuretano Kgf
- 18. Diferencia de la estructura NEOTEC C3
- 21. Ventilación Medida del cambio de temperatura Mayor uniformidad NEOTEC C3
- 22. Nivel de ruido Criterio de la medida: Muestras probadas: SHOEI NEOTEC (M) SHOEI MULTITEC (M) Schuberth C3 (M) Medios: Túnel de viento Sin motocicleta 15 grados de inclinación hacia delante Velociad del aire: 80 – 100 – 120 – 140 km/h (4 pasos) Equipo de medida: Headacoustic HMS 3
- 23. Nivel de ruido NEOTEC C3 MULTITEC 80 86.4 88.7 87.1 100 91 92.1 92.1 120 95.1 95.1 96.4 140 98.3 99.1 99.4 85 87 89 91 93 95 97 99 80 100 120 140 NEOTEC C3 MULTITEC Speed Km/h Noise Level dB(A) Max. 1.6 dB(A) diferencia encontrada
Notas del editor
- Difference of Close Contact by Shield’s Motions of Opening & Closing Superiority in Close Contact An ordinary shield of a helmet opens or closes by a rotary movement supported by a fulcrum of a shield base. However, it has such an inconvenience that close contact is not maintained because a top end of a shield touches a window beading or that an area covered by Pinlock sheet is restricted. SHOEI developed CW-1 shield to eliminate such problems. Same mechanism is applied to NEOTEC too. A shield opens or closes supported by a variable axis to secure close contact of a shield and a window beading. I am afraid you cannot understand it from a drawing. Let us see motion picture. Watch an area indicated by an arrow when a shield closes fully. You can see it slides rearward. A shield of C3 opens or closes in a conventional rotation. Although we will explain more in detail, there would be problems in close contact and Pinlock sheet.
- Difference of Close Contact by a Shape of Window Beading Together with motions of opening and closing, window beading influences close contact between a shield and a shell. Watch comparisons of sealed areas between a shield and a window beading. Although it is sealed along edges of a shield in NEOTEC, a seal is in such a shape in C3. Rainwater or wind may invade from this area causing invasion of rainwater inside a shield or air leakage. Next is a shape of a lip in the bottom of window beading. As you see, elasticity is secured in C3 by folding of a window beading. In NEOTEC, 2 projections are placed on a folded area to secure contact with a shield at 2 points. A gap is not created easily even by movement of a shield when a rider looks away. Such a shape and structure enhanced close contact and restrained invasion of rainwater and wind substantially. Please watch rainwater invasion test.
- Wind and water are caused by a fan as a simulation of riding under heavy rain. Let us see NEOTEC. It is finished. Although it is in a short period, water streams along a window beading and does not invade into inside of a helmet. Then, C3 is tested in the same circumstance and the same period. As you can see, there is a gap between both end and a shell. Water from these areas and streams down along inside of a shield. Water is beginning to stay at the bottom of a shield. Test is finished. Water is invading inside of a shield in C3 during such a short period. We believe that you could understand difference of close contact of a shield through this test.
- Next is Pinlock fog-free sheet standardized in both models. An area protected by Pibnlock sheet is as you see here. Although location of upper silicone seal is designed out of vision to cover almost all areas of vision in NEOTEC, an upper vision is not covered by Pinlock sheet in C3 and a silicone seal disturbs vision. As you know, riding is disturbed very much when an upper vision is fogged. Although the situation was same in SHOEI’s MULTITEC which was equipped with a former shield system, a new opening and closing system realized this vision of Pinlock in NEOTEC.
- Motions to Open and Close In NEOTEC, face cover also opens and closes by a rotation supported by variable axis. A face cover is pressed to a shell by a cam and contacts closely when it closes. This motion realizes close contact of a shield and equipping Pinlock sheet fully covering a vision. On the other hand, a face cover of C3 opens and closes by a rotation in the same manner as a shield.
- These are levers of NEOTEC and C3 to lock a face cover. In NEOTEC, a lock lever is equipped in a chin area in a shape for easy handling by gloved hand. Push down to open a face cover. In C3, lever is buried in a chin curtain. A projection is rather small, and so, handling is not easy by a gloved hand.
- Difference of Strength by material Micro-Ratchet is adopted to NEOTEC for the first time in SHOEI. Strength of micro-ratchet of other manufacturers was tested in development stage. The result is as below; Tangs of 3 manufacturers are made of resin. Although it lasted up to 3065N in C3, it was broken below 2000N (1922N) in N103 of NOLAN. (1N=1Kg-m/s2) Considering importance of chinstrap for safety, tang made by stainless steel was adopted to secure enough strength. It did not break even when a load near 3500N was loaded. (Cleared up to average 3442N) Please watch first and second steps of these tang and notch. They are connected in the center. This shape was created to avoid fastening at the first step only when locked. NEOTEC’s structure differs from others in its firm and strong locking by 2 steps. But, someone may be afraid that in such an one lock system lock lever is raised unexpectedly and lock is released.
- Difference of Strength by material Micro-Ratchet is adopted to NEOTEC for the first time in SHOEI. Strength of micro-ratchet of other manufacturers was tested in development stage. The result is as below; Tangs of 3 manufacturers are made of resin. Although it lasted up to 3065N in C3, it was broken below 2000N (1922N) in N103 of NOLAN. (1N=1Kg-m/s2) Considering importance of chinstrap for safety, tang made by stainless steel was adopted to secure enough strength. It did not break even when a load near 3500N was loaded. (Cleared up to average 3442N) Please watch first and second steps of these tang and notch. They are connected in the center. This shape was created to avoid fastening at the first step only when locked. NEOTEC’s structure differs from others in its firm and strong locking by 2 steps. But, someone may be afraid that in such an one lock system lock lever is raised unexpectedly and lock is released.
- Lock releasing lever of SHOEI’s micro ratchet is designed for firm releasing. Please watch motion pictures. When releasing lever of C3 is raised by 10 degrees, lock is released. How is it with NEOTEC? Just because lock and opening and closing lever are in 2 piece structure, lock cannot be released until lever is raised by about 50 degrees. As you see, lock is not released by raising a lever a little only. We paid full attention to material and structure in adopting micro ratchet in order to realize convenience and firm safety.
- Interiors which touch skins of a rider directly influence largely comfort as a basic fitting in practice and riding performance of a helmet during a real riding. Let us see difference of each part. Center pad at first. In NEOTEC, 3D thermo-setting pad is adopted for a pad at top head to a shape of a head 3 dimensionally in order to realize superior hold. In C3, on the other hand, very simple 2D pad is equipped to a top head and an area held by center pad is very much limited. From a viewpoint of firm hold to avoid a shaking of a helmet during a ride, it is nothing but an ordinary helmet.
- And also, holes located in a whole of circumference of a head adjust pressure on a head to secure comfort of fitting maintaining a hold.
- Next is a cheek pad. What you see here are polyurethane foams used as cores. As you can see easily, there is a big difference in areas holding cheek.
- This is a comparison of structure of pad. In NEOTEC, 3 kinds of polyurethane foams are layered in a good balance. The most critical area is in 6 layers to fit to a shape of a cheek in 3 dimensions. On the other hand, C3 is constructed in 2 layers of 1 kind of polyurethane foam. It is really a simple and flat structure.
- What you see here are polyurethane foam parts used in a cheek pad of NEOTEC. Even a pad in a single side is composed of 7 parts 3 dimensionally and each part is fixed without any gap. Comfortable riding in a long time riding is secured by this.
- On the other hand, a cheek pad of C3 is composed of only 2 pieces of same shaped polyurethane foams. And also, 2 parts are adhered by both sides sticky tape partially. Hold may deteriorate by displacement of polyurethane foams in a long run.
- Furthermore, we measured restitution of polyurethane foams themselves.
- A horizontal axis shows compression of polyurethane foam. And vertical axis shows restitution against compression. You may easily understand high restitution of NEOTEC’s polyurethane foams. We believe that you can understand from above that comfort in fitting based upon human engineering is consistent with high level holding performance during a ride in NEOTEC and that its basic idea against fitting is totally different from that of ordinary flip-up helmet.
- In NEOTEC, full attention is paid to quietness. A part of upper area of polyurethane foam is softened to make wearing with glasses easy. Different from making a space for temple by slicing a part of polyurethane foam, placing a soft polyurethane foam eliminates unnecessary gap between a cheek and a pad and minimizes wind noise reaching to ear. In C3, on the other hand, a simple space is secured by cutting polyurethane foam.
- Next is a chin curtain. While it can be fixed and removed easily and firmly in NEOTEC, most of a chin curtain of C3 cannot be removed. Removable chin curtain is, in our understanding, very essential especially in riding during summer.
- NEOTEC has a very high ventilation performance too. As you see here, air routes are equipped in NEOTEC inside an impact absorption liner for effective ventilation of hot and humid air inside a helmet. An air absorbed from upper ventilation streams through air routes from 10 points together with hot and humid air inside a helmet and is exhausted from top outlet. C3 is, of course, not in such a structure. A volume of air absorption was measure for NEOTEC and C3 in our wind tunnel experiment facility. Let us compare. NEOTEC has 2 upper air intakes and 3 outlets, 2 in rear head and 1 in a rear area of upper ventilation. In 100km/h riding, intake was 3,766L/minute and outlet was 3,893L/minute. C3 does not have outlet. Intake was 3,492L/minute in the same condition. To know change of temperature caused by such a difference, decrease of temperature was measure.
- Measurement of Temperature Change A dummy head equipped with sensor in about 40 degrees and covered by wet fabric in the same temperature wears a helmet and is exposed to a wind of 100km/h. These are distributions of temperatures at a start. A dummy head is cooled quickly by ventilation performance and heat of vaporization. Temperatures change in 90 seconds, 3 minutes, 4 minutes. As you see, temperature is lowered more quickly in NEOTEC. It is because of internal structure and outlet explained before. We believe that you can experience effective ventilation system which performs firmly.
- Noise performance of Helmet Facility: Shoei in-house wind tunnel Without motorcycle, 15 dig. Lean forward angle Airspeed: 80 – 100 – 120 – 140 km/h (4 steps) Measurement equipment: Headacoustic HMS 3
- According to the result of our experiment, the 1.6dB(A) differences between Neotec and C3 had been found, in maximum. Although Schuberth advertise that their helmets has 84dB(A) noise performance at 100km/h, the result in Shoei lab hit 92.1 dB(A). We assume that this is due to the differences of criteria of experiment.