Tuesday, September 10, 2013

RC Groups Park Jet Thread

Here is a link to the park jet thread. It really is a subculture unto itself. Lots of interesting stuff.

Tuesday, September 3, 2013

Standard Park Jet Power System


There is a strong subculture of park jet enthusiasts which I have only recently stumbled upon. They make their jets out of 6mm depron and they use this standard power system: 2200 kv motor, 30 amp ESD, 1600 mah 3 cell battery and a 6x4 prop. Tis setup will power large models (though not overly large) very handily. It is the best of all worlds, the sweet spot, for park jets.

RC Powers has a parts list and links to suppliers. Dave and Scott also have well researched designs and will sell you the plans for a very fair price.

A huge number of plans can be had for a small donation at park jets.com. A favorite seems to be the Alpha Jet (a very modernist take on the biplane).

Monday, September 2, 2013

The Cheap N Easy by Rcrich

I built this foamy to test its feasibility as a trainer. I am thrilled with the results.



What do I love about it?

  • This thing can fly SLOW.
  • It's easy to slap together. Build it like Goldguy's Nutball... the only real complication is the prop-and-slot pusher motor configuration.
  • It's a Rudder, Elevator Throttle style plane that can do axial rolls.
  • It's a larger plane but it still uses the standard Blue Wonder motor, 1000 mah battery and 9 gram servos that EVERY Flitetest aficionado already owns.
  • It is STABLE. The Cheap N Easy wants to fly straight and level. I flew mine in high wind with no problems.
  • It will hover even on a calm day. You can land it straight down if you get your high-alpha angle correct.
  • It literally turns in place.



Here are some points to consider:

1. Rcrich has us balance the plane at the back edge of the prop slot. This is fine for experienced pilots, but I suspect that a beginner will want a more forward CG... perhaps in the middle of the slot, or at the front.

2. The large control surfaces can make the plane squirrely if you don't tame them with exponential. I have 60% expo on the elevator. Of course you could just reduce the throw, but what fun is that?

3. I've used bamboo skewers as pushrods. Take pieces of wire and heat shrink them to the ends. I like to add a dab of CA to the end for added insurance.

4. I've also rubbed Minwax Oil Based Polyurethane into my plane with a paper towel. First I taped all the control surfaces, then I added colored sealing tape, and finally I minwaxed it. I'm very pleased with the results. It's a durable finish and it adds a lot of strength.

5. I wonder if the Cheap N Easy could be included with the swappable series? It flies like an extra stable Nutball, and I think might make a decent first plane.


Links:

My video really doesn't do the Cheap N Easy justice. To watch its designer put it through its paces follow this link:

http://www.youtube.com/watch?v=oVe_gbxG6aM

Time to build your own! Check out the plans at:

http://www.rcgroups.com/forums/showthread.php?t=1261273&page=2

Saturday, August 17, 2013

The Super Easy

I spent last weekend with Dad flying some new pilots on a buddy box. We flew them on Dad's .46 Nextstar and on my PFD Delta. It got me thinking about a cheap dollar tree trainer, a concept I experimented with once upon a time.

This guy may have cracked the problem. His Super Easy is a prop and slot delta wing floater. It is super easy to make and it's highly stable. It looks like a paper airplane, which is kind of fun. I especially like how the electronics are protected from a crash.

I'm interested.

Friday, August 16, 2013

SYMA S107G IS NOW 2.4 GHZ!!!!!

The Syma S107G micro helicopter is now being produced in 2.4 ghz. This means that you can fly it past picture windows or under flourescent lights at will, and you can fly more than two at a time. And the price? $23. We live in extraordinary times, folks. This is now officially THE BEST DEAL IN RC. Buy one immediately.

Here is a link if you would like to get yours from Amazon.

Wednesday, August 14, 2013

1970's Pattern Nationals



With the resurgence in popularity of classic pattern planes like the Kaos or the Dirty Birdy it's interesting to look at archival footage of the real thing. Click here.