Great job to Cornel! Did anyone get any rpm counts during the
flight? It would be interesting to see how much flare the prop had.
Also, how much backoff before launch.
Congratulations!
--- In Indoor_Construction_at_yahoogroups.com, "popaf1d1" <tpopa@...>
wrote:
>
> Dear friends,
>
> We had 2 training sessions this year in the salt mine,Feb 8th to
> 10th, and March 9th to 11th.
> Conditions were as usual in the winter, 10.1-10.2 Celsius degrees
> and relative humidity 37% in February and 43 % in March.
> We were 5 people in mine, so the conditions were perfect.
> The nice story began with Cornel, flying 19 :30 with half rubber,
> then 38:20 next day, full rubber. All the others, around 34 minutes.
> In March, Cornel came back with a new model and a new prop, I came
> back with 4 new models. Soon after our arrival, Cornel did 19:50
> with the new model and, immediately, 39:25 with, maybe, 5 seconds
of
> stirring. He was about 10 meters from the ceiling, landed with 80
> turns, so we all waited for the first over 40 minutes flight with
> new F1D in the salt mine. Next day, he stirred his model in the
wall
> just under the lamps, injuring the wing and the prop. After fixing
> them he flew 38:30 and 38:50 not climbing near the ceiling. All the
> others did the same around 34 minutes.
> I shared the table with Cornel, so I can give you some details
about
> his models and flights:
> - weight of the model: exactly1.2gr.
> - motor stick length : 290 mm
> - tailboom length: 570 mm
> - first wing post: 40 mm from nose
> - wing posts height: around 19 mm
> - 1.256-1.260 g/m May99 rubber
> - 1700 – 1740 turns on board
> - 60-80 turns left
> - 42.9 – 43.1 average rpm
> - positive flaring prop - 480 dia., 760 pitch
>
> I will try to put a picture in the photo section.
> It was really beautiful.
>
> Regards,
> Aurel Popa
>
Received on Fri Mar 16 2007 - 16:58:05 CET
This archive was generated by Yannick on Sat Dec 14 2019 - 19:13:45 CET