MACI > Events
2015 ISR Gliding events... and others!
johnfireball:
Hi Fred/Andrew,
I will have a word with club secretary and measure runway lengths, perhaps you flew in the old field Fred. When towplane ready Fred mail me and will organise tests.
John.
Fred:
Thanks John :)
I'll let you know when I have something ready (in a few months!)
Very early morning flights, to avoid the potential shame :)
johnfireball:
Hi Fred,
No Problem, and I'm sure it will be fine. Looking at your design with tricycle undercarriage I think you may have problems getting it to unstick from the ground unless flaps are used. I had this problem with a trainer as the wing incidence was zero degrees to ground when on it's wheels. I cured by converting to a taildragger. I think an Opto Isolater is also required with a petrol engine or use separate batteries.
John.
selleri:
If it's not required by a local law/rules you don't need an opto. However it doesn't hurt!
I've run both 35 and 2.4 systems with and without opto.isolators.
If you are not going to use an opto have the radio part of the system at least 25cm from any part of the ignition system, it worked well on the pcm systems plus 2.4 isn't as suspectable to interference from the ignition system as 35 was.
That being said, above 50cc I use optos and dual batteries!
Fred:
--- Quote from: "johnfireball" ---Hi Fred,
No Problem, and I'm sure it will be fine. Looking at your design with tricycle undercarriage I think you may have problems getting it to unstick from the ground unless flaps are used. I had this problem with a trainer as the wing incidence was zero degrees to ground when on it's wheels. I cured by converting to a taildragger. I think an Opto Isolater is also required with a petrol engine or use separate batteries.
John.
--- End quote ---
Hi John,
Same as Sverrir.
As for the Take off, no worries, incidence etc all set :)
Have flaps too.
Another trick for the incidence on 3 wheelers, is to put a bigger wheel at the front to increase incidence :)
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