Old Glory

Proudly Made

in the

USA!

Custom, hand-built electronic circuits designed to improve and enhance the fun and thrill of radio-controlled models.

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Spotlight On...

Servo Reversers and Spektrum

     I have recently been contacted by several customers regarding the compatibility of our Servo Reversers with Spektrum receivers. After talking with these customers individually, I decided that it might be good to address the issue here, to answer some who may be wondering, but who have not yet reached out to us.

    It appears that some modelers have experienced problems when using certain reversers (not ours) with Spektrum radios, and I understand that a spokesperson from Horizon has suggested in various RC forums that reversers of any kind should not be used with Spektrum receivers, as they create some type of interference that can disrupt the receiver's operations, even though they are operating on the 2.4GHz band, which is supposed to be much less susceptible to EMI or RFI interference.

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     I'm not sure which reversers have actually been causing problems, but I do know that we have been providing servo reversers for several years now to users of every brand and type of radio system out there, and we have received absolutely ZERO reports of problems or incompatibility with any brand of radio, including Spektrum.

     Electronically, there are several ways that the PWM signal used to control a servo can be produced, and it is very possible that some reversers being made overseas use a design that is faulty, and that indeed creates interference.  Our reversers, as well as most of the other circuits we make, like Navigation Lights, Servo Speed Reducers, Servo Testers, etc., all use a microcontroller to create the PWN signal, and they do not produce any interference of any kind.  There are thousands of our devices in use in models around the world, including reversers, and we've never received a complaint about a single one being non-compatible.

     Our reversers "read" the signal from the receiver, do some math on it to switch it from one side of the channel's center to the other, and then send it back out to the servo, all done in a few microseconds!  They can be safely used in Spektrum systems.  -David

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Programmable On-Board Glow Driver featured in July issue of Model Aviation

     Check out the RC Scale column (Pages 76-78) in the July issue of the AMA's flagship publication, Model Aviation, for a nice article by Stan Alexander that includes information on another DRCE product. Stan was building a 1/4-scale Cub, powered by a twin-cylinder OS-120 Gemini glow engine, and wanted to include an on-board glow driver to keep it running smoothly at low speeds, and to make it easier to start than using a pair of glow starters. Stan installed one of our Programmable On-Board Glow Drivers, and documented the build with pictures and other information.

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Swap Meet Schedule

     Our swap meet schedule for 2022 is beginning to fill up, as the effects of the pandemic on our hobby has started to fade.  Many of the clubs and organizations that were forced to cancel their events in 2020 and 2021 are planning to resume them for the 2022 season, and we're anxious to get out there not only to see some of our old, faithful customers, but to make new ones as well.  Here's how the schedule is looking so far for the coming 2022 season!

March 4th & 5th, 2022

Georgia Aircraft Modelers Association, Inc.

The Southeastern Model Show

The North Georgia Fairgrounds and Agricultural Center

Interstate I-75, exit 135

Perry, Georgia

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Friday 11:00 a.m. - 7:00 p.m.

Saturday 8:00 a.m. - 5:00 p.m.

McGill Building- Tables K45-K48.

March 12th, 2022

Central Pennsylvania Aeromodelers Association

40th Annual Radio Control Expo

Lebanon Fairgrounds

80 Rocherty Road

Lebanon, Pennsylvania

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Saturday 8:30 a.m. - 3:00 p.m.

Table numbers to be announced

April 1st & 2nd, 2022

www.toledoswapmeet.com

The Toledo RC Swap Meet

The Seagate Convention Centre

401 Jefferson Avenue

Toledo, Ohio

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Friday 9:00 a.m. - 5:00 p.m.

Saturday 9:00 a.m. - 2:00 p.m.

Table numbers to be announced

April 29th & 30th, 2022

The Dayton Wingmasters

The 2022 Dayton Modelrama

Montgomery County Fairgrounds

645 Infirmary Road

Dayton, Ohio

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Friday 9:30 a.m. - 6:00 p.m.

Saturday 9:30 a.m. - 3:30 p.m.

Table numbers to be announced

We hope to meet you on the road...
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     This Glow Driver is available in three "versions", a Single-Cylinder, a Twin-Cylinder, and a Twin-Engine version.  The only difference in the single and twin versions is the additional glow plug connector and the size of the battery (included), while the only difference in the twin-engine and twin cylinder versions is the length and arrangement of the cables that connect the glow plugs and the ground connections.  This is one of our oldest and most popular circuits, and has proven to be very rugged and reliable.  And best of all, it requires no ugly panel to be mounted on the outside of the model, spoiling the look of a nice warbird.  Everything can be concealed inside the fuse for a clean, scale-like installation.

The kits include everything you need, the glow driver controller, a 2500mAh or 5000mAh NiCad battery pack, a plastic mounting case, a holder for the Remote Indicator LED, an extra Deans connector for your charger, it even includes a plastic tool to make installing the glow plug head easier!

Notice to International Customers:  Due to restrictions recently imposed by the U.S Postal Service related to the Covid-19 pandemic, shipments to some countries via First Class International Shipping is not available at this time.  Priority Shipping is still available, but the cost is much higher, so until the situation changes, we may not be able to ship to all locations.  Currently, shipping to New Zealand and Australia is only possible using Priority Mail.  Shipping to Canada and the UK have not been affected.  If you have any questions, feel free to give us a call, and we'll be happy to check actual shipping costs before processing your order. 

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