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Old Sep 28, 2014, 07:25 PM
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Speed update

I had the luxury of a club member clocking me today with his radar gun. The results were a bit surprising to me. In successive passes, here were the readings (in mph):

123
117
107
100

I really didn't think it was going quite that fast!

Thanks to all for you contributions to this project, and to Donsrc.com for the technical setup guidance on the EDF, and to several in the support forum for the Guardian Stabilizer system.

I think I've met nearly all my design goals... . Now I just to learn how to fly this thing.

Attached you can see the current thrust tube, cut to the desired exit diameter out of a plastic storage cup.
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Old Sep 28, 2014, 07:36 PM
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Lee Liddle
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Carrollton, Tx
Joined Dec 2006
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Looks good. I'm glad you are having success with the larger version. A simple design that can go fast with the right amount of power.
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Old Oct 08, 2015, 09:21 PM
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MacroSpot Gen 2

It's been a while since my last post.

I'm about ready to maiden the next generation!

This one has added the following features:
  • Thinner CNC cut wings
  • Steerable nose gear setup
  • Shaped/balsa planked canopy
  • "Break-away" (instead of break-it-off) nose
  • A bit more wing surface
  • Slightly more room for a larger battery

The original model finally got to the "beyond repair" state after a number of flip-overs from aborted take-offs and a few times on the landings. Hence the reason for a few of the upgrades in this version!

I plan to do maiden on my previous Tunigy Nanotech 2650 4S battery. Once I've settled in on that one, I plan to also test the new Turnigy BOLT (high volt Lipo). I have a Bolt 3450 4S. With the .5 higher voltage and increase in MAH rating, I'm hoping this will add even a little more muscle and/or increase my flight time from the original 3 minute range. Will keep you posted.

I hope to be offering full build plans and instructions for this version in the near future.

Here's the "almost done" pic..

Paul
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Old Oct 08, 2015, 10:10 PM
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Lee Liddle
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Very nice. I'm sure that this one will be a nice improvement for you. Best of luck with the maiden.
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Old Oct 11, 2015, 08:38 AM
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MacroSpot Gen II Maiden

Got two great flights in yesterday. Not a single hitch!

Using the smaller 2600 4s Nanotech battery it really took off and landed nicely.

Now that I've got the maiden in, I'll need to recheck CG positioning on the bench before I try the bigger BOLT LiHV.

Haven't installed the thrust tube yet..just not enough time but was still hitting ~90 at top end.

I'm loving the upgrades. The non-steerable gear got me going last year, but there's nothing like being able to actually control the thing on the ground!

Oh...room for telemetry and onboard GPS too!
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