Joined Sep 2006
Trainer for my O.S. 25?
I have an unused OS .25 and I want to buy a nice trainer for it.
So I’ve searched the Internet and found three options:
First the: Ripmax trainer 30
Wingspan: 1330 mm
Secondly the: Seagull Jumper 25
Weight: 1400-1700 gram
Thirdly the Graupner Trainer 25
Weight: 1950 gram
Does anyone have some flight experiences with one of these planes?
On this forumsite some people say that the Jumper 25 won’t fly easy……..is that true?
The third option will not be my choice because it is already too heavy in weight.
At this moment I’m flying a 19 years old Westerly 2000 Trainer (Jamara).
This Plane fly’s great! Well powered, very stable flying characteristics and easy to land!
Weight 1640 gram
O.S. 32 engine
Hopefully some one can give me some tips for the O.S .25 engine…
Jr. Falcon is 1/2A - with a span of 38" it was designed for .049 power, and it'll be way over powered.
Falcon 56 will be under powered - it should have at least a .35 if not a plain bearing .40 which is more that adequate.
Sig Seniorita or LT-25 may fit the bill. For that size engine, you may also want to consider scratch building - look at the plans selection offered by RCM or Model Airplane News - there are a lot of good designs in their plans selection.
Joined Sep 2005
Sig Seniorita or LT-25
I just completed a Seniorita and installed a O.S 26 4-stroke. It is a wonderful plane, however it only a three channel. If you want a four channel go for the Lt-25. Anyway, I couldn't have asked for a better basic trainer.
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