![]() I had some time to spare while in Lima, so I decided to make my way to Huaraz to experience the famed Cordillera Blanca landscapes. In your competent care we have certainly been blessed to have had the adventures of a lifetime! Thank you to Heimer and to all of your team. Every effort was made to help us to make the most of our time in Peru.īy the time we left Anta airport, we felt that we were not only waving goodbye to one of the best trekking teams in South America but to some very special friends. Treks were at our pace, emergency help was available if needed and the food, even when camping, was as well presented and as tasty as you could get in any top class restaurant. The camping conditions and tents were top quality. The whole trekking team was friendly and welcoming and everything was competently organised. We were met at the airport, settled into excellent accommodation in Huaraz and from there we enjoyed amazing adventures in one of the most scenic and historic parts of the world. ![]() Heimer immediately contacted us in Lima by phone and altered the itinerary so that we could still enjoy all that we had planned.įrom the moment we arrived in Anta, we were taken care of, and knew that we were in good hands. ![]() This was followed by a two night camping trip to the impressive ancient ruins of Chavin.ĭue to a flight delay of one day from Lima to Anta (the airport in the Cordillera Blanca) our schedule had to change slightly. Heimer quickly and efficiently organised two day trips for us to two of the most beautiful places in the world, Churup Lake and the breathtaking Lake 69. We were very impressed with his English, which helped to simplify our planning. Prior to the trip we communicated by email with a recommended guide, Heimer. What a perfect suggestion that turned out to be. This way, we would experience high altitudes by day but could return to a lower altitude to sleep at night. We needed to gently acclimatise ourselves to the altitude beforehand so a friend suggested that we do some day treks accompanied by a short camping trip in the Cordillera Blanca first. A moderate flexion of the wings reducing the span by 20% is estimated to increase the optimum air speed from 13.9 to 15.2 m/sec for an adult male condor and from 12.6 to 13.8 m/sec for an adult female.In 2014 we planned a trek to Machu Picchu. I secured an adjusted value of 14 for the L/D ratio of a condor gliding with wings fully extended.ģ. Field data, adjusted by introducing a coefficient of parasite drag determined for the black vulture in a windtunnel study provided corrected estimates of drag. Implausibly low values derived for parasite drag coefficient of the condor appeared to be due to ( a) unmeasured forces of deceleration and ( b) an undetected vertical component of the wind at the level of the flight path. For the 15 gliding condors a mean lift coefficient of 0.7 and a mean induced drag force of 3 N were computed.Ģ. ![]() Derived in a vector analysis with measurements of wind velocity and ground velocity of the bird, the following mean air speeds were obtained for birds crossing a Peruvian beach: 15 m/sec for 15 gliding Andean condors, 14 m/sec for 42 condors that flapped during the crossing, and 10 m/sec for five turkey vultures that flapped. ![]()
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