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PW_Plack
PW_Plack
Platinum Member
Last Activity: Yesterday, 12:44 AM
Joined: 10-30-2003
Location: West Valley City, Utah, USA
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  • PW_Plack
    replied to Taggart GyroBee vs Bensen Gyro
    If I recall, the GyroBee was designed to make ultralight weight with a Rotax 447. You'd be doubling the engine weight. The extra power might offset that from a performance standpoint, but the frame of the 'Bee was designed for light weight, and might be too flimsy for the heavier VW.

    Torque
    ...
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  • PW_Plack
    started a topic N395SC, Sport Copter Vortex, Incident
    in News

    N395SC, Sport Copter Vortex, Incident

    I'm sorry to report a long cross-country flight I attempted yesterday ended in an off-airport landing. There were no injuries to me or anyone else, the machine stayed right-side up, and the only damage to the machine in the landing was the nosewheel tire and strut. The machine is back in the hangar....
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  • PW_Plack
    replied to First Sub-Freezing Gyro Flight
    I'm sorry to report my cross-country flight ended in an off-airport landing. There were no injuries to me or anyone else, the machine stayed right-side up, and the only damage to the machine in the landing was the nosewheel tire and strut. The machine is back in the hangar.

    This incident
    ...
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  • Joe, there's a sound like an electronic chicken clucking that is introduced into PA systems sometimes when a cellphone is close to a poorly-shielded mic. Does that sound like what you're hearing?

    It's hard to get rid of that kind of interference. Unfortunately, the communications gear on
    ...
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  • PW_Plack
    replied to Just a brief fall outing


    Well, then, as one who's flown with Chris from his home airport, let me help with the sales pitch!

    I got to visit Chris when I was sent to Vienna for training by my employer, and came away impressed by the level of gyro activity at his home airport, the ArrowCopter, the scenery
    ...
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  • PW_Plack
    replied to More fun flying The Predator.
    Vance, thanks for the detail on your flying fun! Is your dew point spread limit about fog forming, icing, or something else?

    I read lots of info from the FAASTeam and AOPA regarding icing before my cold flight November 18, and the general consensus seemed to be below 32F (OC) is safe
    ...
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  • PW_Plack
    replied to Hours VS Airworthy on MTO
    It depends - Are you referring to "autogyros" as a generic, or the specific manufacturer AutoGyro GmbH?

    Stainless steel is used extensively by AutoGyro as a structural material in its products, and has some desirable properties, but it becomes brittle over time when subjected
    ...
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  • PW_Plack
    replied to First Sub-Freezing Gyro Flight


    Understood. I was looking for 140 before starting the takeoff roll. The small radiator the builder of this machine chose is close to the perfect size for this engine, gains a few degrees under full power, but has never topped 180F in the summer. It does run a little cold in this weather,
    ...
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    Last edited by PW_Plack; 12-03-2017, 07:41 PM.

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  • PW_Plack
    replied to First Sub-Freezing Gyro Flight
    I'm preparing for a 10-mile cross-country on Thursday, so I wanted to inspect and test the aux fuel tanks system on the gyro, especially since the transfer pump hadn't been run in five years or more. All worked fine, although transfer time is longer than anticipated, about 16 minutes for five gallons....
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  • PW_Plack
    replied to Looking
    There is a beautiful blue MTO for sale in Arizona, meticulously maintained, I think about 450 hours. PM and I'll put you in touch.
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  • PW_Plack
    started a topic Cool Antique Glider Tow Winch

    Cool Antique Glider Tow Winch

    I saw a really neat piece of old tech at the airport today, and thought you guys might find it interesting. Nephi Municipal, the new home for ROTR and where we hangar the Sport Copter, is popular with glider pilots due to the terrain and thermal activity. But to share the airport with them requires...
    Winch Side View Winch Engine View Winch Spooler Winch Cab Winch Rear
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    Last edited by PW_Plack; 11-25-2017, 11:22 PM.

  • PW_Plack
    replied to First Sub-Freezing Gyro Flight


    Leigh, I was much better protected from the wind than you were. Between the Vortex pod and the motorcycle helmet, there wasn't much comparison to an open Bensen and an older style helmet. And yes - before I got my insulated gloves, my hands would get cold, even behind the pod.
    ...
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  • PW_Plack
    replied to Wireless Rotor tach.
    Wasn't trying to start a pissing contest Jake. Just wondered how DTMF would work in a low-parts-count, pulse-modulated application. I'll be content to watch and see what you come up with. If your junkbox is complete enough to include a spectrum analyzer, maybe it includes an 8870 and some logic chips....
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    Last edited by PW_Plack; 11-24-2017, 08:21 PM.

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  • PW_Plack
    replied to Wireless Rotor tach.
    Hmm...DTMF stands for "dual-tone multi-frequency." Better known as "touch tone" in the telephone world. I think what you're thinking of is CTCSS, or "PL" as Motorola called it (for "Private Line"). That's an OK way to go for audio, but probably overkill for getting...
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  • PW_Plack
    replied to Wireless Rotor tach.


    Unused? There's a bunch of stations on 88.1 in Florida, and even three here in sparsely-populated Utah. It will be interesting to see if the improved FM reception you get in the air produces too much interference.

    Your method of powering the transmitter is novel and cool.
    ...
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  • PW_Plack
    replied to Wireless Rotor tach.
    Jake, cool idea! Is the transmitter on the FM broadcast band? Or maybe somewhere in the 433- or 900-MHz bands where stuff like wireless weather stations operate?

    There was a guy a couple years ago trying to use wi-fi to bring a bunch of remote sensors in to a Raspberry Pi computer, for...
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  • PW_Plack
    replied to Subaru 2.2 has limited rpm


    I believe this input line needs to see pulses, not just steady open or closed. It is intended to limit engine RPM if the vehicle is not moving. Some converters have used a 555 timer chip configured as a pulse generator, but I always thought it would be more elegant to simply create a tach
    ...
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  • PW_Plack
    replied to First Sub-Freezing Gyro Flight
    Wow, lotsa questions!



    Steven, the rotors are still 25', but they're the 8" chord upgrade. Heavy, but they fly well and land sweet! They were turning about 340 in straight-&-level cruise Saturday, 350 in the summer. In my experience that's a little higher than I'd
    ...
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    Last edited by PW_Plack; 11-20-2017, 09:51 PM.

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  • PW_Plack
    replied to First Sub-Freezing Gyro Flight
    Vance, it really wasn't bad. I had on enough layers to stay warm behind the partial pod, even my knees and the edges of my shoulders which got cold on some earlier flights. The only two issues were keeping my glasses from fogging inside the helmet, and stretching to reach the ends of the shoulder belts...
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  • PW_Plack
    started a topic First Sub-Freezing Gyro Flight

    First Sub-Freezing Gyro Flight

    I've been enjoying the Sport Copter Vortex 582 for the last few months, but this weekend was the first time I've flown it - or any gyro - at temps below freezing. The occasion was an organizational meeting for a new EAA chapter based at Woodhouse Field at Spanish Fork, about 26 nm from where I hangar...
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    Last edited by PW_Plack; 12-03-2017, 07:28 PM.
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