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Derrio, Muhammad
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Aerospace Engineering Automotive Engineering Control & Systems Engineering Engineering Industrial & Manufacturing Engineering

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Performance Analysis Of Standart Camshaft Engines And Modified Camshafts On 110cc Motorcycles Derrio, Muhammad; Sihombing, Aser Eben Ezer; Ratuloli, Jumiati; Hasibuan, Fardin
METALOGRAM Metalogram Vol.01 No.03 (August,2025)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v1i03.7454

Abstract

Currently, motorcycles are the maximum extensively used approach of transportation in Indonesia. apart from being a way of transportation and for delivering items, of direction, it has unique settings from motorbikes which might be used for daily purposes via making overall performance upgrades by using modifying the noken axle (camshaft) on motorbikes which are used each day. The characteristic of the camshaft is to manipulate the valve opening, both the consumption and exhaust valves at the time decided with the aid of the four stroke engine cycle. at the changed engine, numerous adjustments have been made to several systems and components to improve the performance of the bike. The cause of this take a look at become to determine the performance of the Honda Absolute revo 110cc combustion engine which incorporates torque, strength and gasoline intake with the aid of comparing the standard camshaft and The changed camshaft which has modified the lift top by using 1mm has changed in the absolute revo 110cc engine, adjustments occur amongst them in torque, energy and greater gasoline intake enter the combustion chamber. The studies was received from a tool which can decide power called Dynotest. Dynotest serves to measure the torque strength of a motorcycle that has been modified by means of camsaft so as to understand better which is the modified camasafth and the usual camsafth on a 110cc revo absolute motorcycle.
Analysis of Resonance Characteristics of Multi-storey Buildings Based on Microtremor Measurements Derrio, Muhammad; Pandi, Soe; Ezer Sihombing, Aser Eben; Tarigan, Joy Adithia; Hasibuan, Fardin
METALOGRAM Metalogram Vol.02 No.01 (December,2025)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v2i1.7814

Abstract

The diverse functions of buildings today require designs that minimize potential damage, particularly from natural disasters. Earthquakes are one of the natural disasters that pose a significant threat to buildings. For example, the earthquake that occurred in Yogyakarta in 2023 caused damage to various building facilities. This study aims to identify the vulnerability level of buildings using microtremor data to obtain the natural frequency value of the building (fb), building resonance index (R), and building vulnerability index (Kb). This research has been carried out in multi-storey buildings by measuring natural frequencies on the building and its basic land. The recorded vibration data were analyzed with the H / V technique to get its natural frequency value. The measurement results of building floor vibrations using the GPL-6A3P accelerometer show that the natural frequency
Co-Authors Ezer Sihombing, Aser Eben Fardin Hasibuan Pandi, Soe Ratuloli, Jumiati Sihombing, Aser Eben Ezer Tarigan, Joy Adithia