Question:
    Dear Madam, dear sir, concerning the above mentioned model Raptor 50 V2 could you tell me what the maximal rotational frequency (number of revolutions per minute) of the main rotor is? Could you give the maximal number of revolutions for the engine is? Are there noise measurements for this model and, if yes, could you kindly mail me the results? Thanks,
Answer:
    Dear Sir, Thank you for your mail. Please refer to the data for PRO-50(H) engine in the attached manual. Please also note that the rotational frequency of the main rotor had better not go beyond 2300 RPM. In addition, we are sorry that we do not have any valid data for noise measurements which may be affected by some factors like engine type, muffler, main rotor type...etc. Please feel free to contact Thunder Tiger Europe GmbH in Germany as follows for technical support. Thunder Tiger Europe GmbH Tel: 49-8205-95903-0 Fax: 49-8205-9590329 E-mail: karlheinz.schaeff@thundertiger-europe.com Web: www.thundertiger-europe.com/ Contact person: Mr. Karlheinz Schaeff Best regards, Customer Service Thunder Tiger Corp. [ Simon ]