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1/4 scale Cub and O.S. 1.08?

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1/4 scale Cub and O.S. 1.08?

Old 08-16-2003, 01:19 AM
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Default 1/4 scale Cub and O.S. 1.08?

I just purchased a ready to fly 110" Balsa USA with an OS 1.08. This is a very nice looking Cub covered in silk and painted with butrate dope. I couldn't turn it down for the $. I have flown a 1/4 Sig clipped wing with an OS 1.60 twin and if flew nicely. Do you think the USA Cub will fly well with the 1.08 or will it be under powered? I mainly fly gas birds with lots of power and this is a new twist for me.
Old 08-16-2003, 02:20 AM
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Carey, I've seen 1/4 scale clipped wing Cubs fly on 91 strokes. I would think that a 1.08 would be plenty of power, for scale flight, any way.
Old 08-16-2003, 04:44 AM
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Default 1/4 scale Cub and O.S. 1.08?

Ditto. That should be plenty of power. A 120 four stroke is considered normal, so you should be in the ball park. It is not an aerobat by any means......
Old 08-16-2003, 12:04 PM
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Default 1/4 scale Cub and O.S. 1.08?

I owned and flew for years, a scrath-built, covered & Doped, 1/4 scale cub powered by an OS 1.08. I proped it with a 16X6 wood zinger. It flew great at about 12 lbs.

I also own a 1/4 L4 Cub with a G38. Yes, it's overpowered and much heavier at about 16 lbs. Both fly well, but different.
Old 08-17-2003, 12:38 AM
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Default 1/4 scale Cub and O.S. 1.08?

Thanks for the input guys, hopefully I'll get a chance to fly it next weekend. Tom, I Hope to start assembly on the FW by the end of the month. I've had a little delay with the kit cutter. Received the kit earlier this week but many parts are missing. Your documentation has been a great help with the 190.
Old 08-17-2003, 01:15 AM
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Default 1/4 scale Cub and O.S. 1.08?

BTW, my Cub with the 1.08 was reasonably aerobatic, in the Cub sort of sense. Really, as a scale Cub goes, it was over powered. I could pull a verticle line from straight and level full power, climb about 40-50 feet and hang it on the prop for about 2 seconds before it would tail slide. It would spin, and flat spin well with power. Loops were medium-large in size maybe 50 foot diameter.
Oddly, the G38 Cub performs no better on the verticle line. But it is much heavier. And, it is also much more stable on a gusty day.

I wish you good luck on your maiden flight.
Old 08-18-2003, 05:29 PM
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Caret, I hope the Cub flies well. I've had a number of them over the years. Glad the documentation was of some help. I'm getting ready to restart a Holman D-9, now that my DVIII is ready to fly

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