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Question:
hi. My name is Alvaro Serrano, and i'm doing my thesis work about Main rotor Helicopter. I have some technical questions about raptor 90 this answer help me in my tesis work what is the maximum forward velocity? what is the climb velocity of this helicopter? and what are the lateral and longitudinal picht? thank you for your time y and your answers. Alvaro Serrano
Answer:
Hola Alvaro, Thank you for your e-mail. We appreciate your support to Thunder Tiger. Because R/C helicopters are designed for the purposes of hobby and maneuver flying, we have little detailed numerical analysis to provide. However, we do our best to answer your questions as followed. 1. The max forward velocity depends on main rotor rpm and max collective pitch. If we set the rpm=2000, collective pitch=10 degree, gear ratio (Raptor 90)=8.27, the max forward velocity can reach about 40~50mile/hr. 2. We do not have any valid data for the climb velocity. 3. The lateral & longitudinal pitch are the same as the cyclic pitch while pitching (elevator control) and rolling (aileron control). If the helicopter hovers with collective pitch 5.5 degree, swashplate input with max 25 degrees to cause the cyclic pitch change. The pitches will chang for forward flying, and you can measure the pitch's difference between two blades. In addition, Thunder Tiger has authorized worldwide distributors that provide our customers with selling, marketing, after service, and so on. Please feel free to contact our subsidiary company ACE HOBBY in USA as below information for service and support. ACE HOBBY DISTRIBUTORS, INC Tel: 949-833-0088, 949-833-7498 Fax: 949-833-0003 E-mail: services@acehobby.com Web: www.acehobby.com Best regards, Customer Service Thunder Tiger Corp. [ Simon ]
hi. My name is Alvaro Serrano, and i'm doing my thesis work about Main rotor Helicopter. I have some technical questions about raptor 90 this answer help me in my tesis work what is the maximum forward velocity? what is the climb velocity of this helicopter? and what are the lateral and longitudinal picht? thank you for your time y and your answers. Alvaro Serrano
Answer:
Hola Alvaro, Thank you for your e-mail. We appreciate your support to Thunder Tiger. Because R/C helicopters are designed for the purposes of hobby and maneuver flying, we have little detailed numerical analysis to provide. However, we do our best to answer your questions as followed. 1. The max forward velocity depends on main rotor rpm and max collective pitch. If we set the rpm=2000, collective pitch=10 degree, gear ratio (Raptor 90)=8.27, the max forward velocity can reach about 40~50mile/hr. 2. We do not have any valid data for the climb velocity. 3. The lateral & longitudinal pitch are the same as the cyclic pitch while pitching (elevator control) and rolling (aileron control). If the helicopter hovers with collective pitch 5.5 degree, swashplate input with max 25 degrees to cause the cyclic pitch change. The pitches will chang for forward flying, and you can measure the pitch's difference between two blades. In addition, Thunder Tiger has authorized worldwide distributors that provide our customers with selling, marketing, after service, and so on. Please feel free to contact our subsidiary company ACE HOBBY in USA as below information for service and support. ACE HOBBY DISTRIBUTORS, INC Tel: 949-833-0088, 949-833-7498 Fax: 949-833-0003 E-mail: services@acehobby.com Web: www.acehobby.com Best regards, Customer Service Thunder Tiger Corp. [ Simon ]
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