Thread: Build Log Popfly 2 Night Flyer
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Old Feb 11, 2012, 06:54 PM
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Terry Dunn
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United States, TX, Lubbock
Joined Jan 2001
972 Posts
My on-board gear showed up Thursday...most of it anyway. The Rimfire 200s were on backorder. Hopefully it'll show up in a few days. In the mean time I thought I'd set it up for a Rimfire 250. The 250 is a little bigger and heavier than the 200. More importantly, it is a lower kV (1750 vs 2400 rpm/v). That means I'll need to run a larger prop.

With the stock layout even a 4" prop (what I plan to run on the 200) requires a little trimming of the elevons. Going larger than that requires a little more work. I moved the servos out one rib which will let me cut away more elevon area for prop clearance.

I was toying with the idea of adding a spar as well. Looking though my stash of carbon fiber, I found a small tube that was the perfect length to run between R5 in each panel. That seemed enough like fate that I was convinced to add it.

As I was planning the next few assembly steps in my head, I decided that I would be better off joining the wing panels before adding the top sheeting. This would let me make sure that the spar was properly glued at every rib.

As I write this, the top sheeting is drying, as is the initial strengthening of the motor mount. Next, I'll trim the top sheeting to install the leading edges and battery tray.

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Last edited by mopar_man; Feb 11, 2012 at 11:01 PM.
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