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Wireless Launch Systems
for Rocket Clubs
NARCON-2019
Presented by Rick BoyetteNAR #31375
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Wireless Launch Systems Wireless Launch Systems for Rocket Clubs
TOPICS• Wired vs. Wireless Launch Control Systems
• Modular Multi-Cell Controllers
• Commercial Modular Fireworks Systems
• Adapting Fireworks Controllers for Rocketry
• Building Wireless Relay Systems
• Questions & Comments
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Wired vs. Wireless SystemsTypical wired system – Single controller, range in complexity from Estes-type handheld units to multiple pads at a single cell to multiple pads at multiple cells.
As clubs grow, so does their need for range capacity. Increased capacity requires more and larger cell boxes, more cables with multiple conductors and connectors, more batteries, more storage space, more time and $$$!
Wireless systems can significantly reduce the storage, range setup/teardown requirements and acquisition/maintenance costs for expanded range operations
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Typical MultiTypical Multi--Pad, MultiPad, Multi--Cell Typical MultiTypical Multi Pad, MultiPad, MultiPad, MultiPad, MultiWired Controllers
FSA’s wired 6-pad, 6-cell controller FSA’s 6-pad, 6-cell controller - interior
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FSA’s Original 6FSA’s Original 6-FSA’s Original 6-pad FSA’s Original 6Wired Cells FSA’s Original 6Wired Cells Wired Cells -FSA’s Original 6FSA’s Original 6 pad pad pad FSA’s Original 6FSA’s Original 6FSA’s Original 6
-- 3 Total
Heavy, bulky and time-consuming
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FSA’s Add-On 6-pad Hard-Wired Cell
Less bulky but still cumbersome; terminal unitNo potential for expansion beyond original capacity
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FSA Wireless System• Low-Power – Two 6-pad modules• Mid-Power – One 12-Pad module
for individual pads• High-Power – 12 individual
modules/pads
All modules are operated from a single DBR01-X which is a commercially-made12-pad, 100-cell fireworks controller.200m Range
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Low-Power 6-Pad Racks6-Cell 9V Receivers with
6-Channel 12V Relay Module
DBR01-X controller with DB06R receiver and 12V relay module
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Low-Power 6-Pad RacksTypical Range Setup
Fast & easy setup! No tripping over cables!
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Low-Power 6-Pad RacksTwo 6-Cell Receivers with
6-Channel 12V Relay Module
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Mid-Power PadsTwo 6-Cell 9V (6AA) Receivers
with Three 4-Channel 12V Relay Modules
Functionally identical to low-power system Uses homemade relay boards
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Mid-Power PadsTypical Range Setup
12-pad module placed in center of mid-power range
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High-Power Pads12 Individual 1-Cell 6V (4AA) Receivers
with 1-Channel 12V Relay Modules
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High-Power PadsIndividual 1-Cell 6V (4AA) Receivers with 1-Channel 12V Relay Modules
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Commercial Modular Commercial Modular Fireworks Systems
• DBR01 – Lowest-priced modular system; needs 12V relay module for reliable performance, 1-sec to 2-sec pulse, 200m range
• rfRemoTech MS12 – Midrange price, has external 12V power option so relay module not required (but pulse length is shorter), 200m range for modular unit
• Cobra 18 – the “Cadillac” of fireworks controllers, fully programmable/customizable from manufacturer, long-range capacity (500m)
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DBR01 System
• Chinese manufacturer; Chinese & domestic distributors• DBR01-X controller – About $90 by itself• 1-cell 6V, 4-cell 6V and 6-cell 9V receivers range in price
from $10 to $40; can purchase mix-and-match setups• Designed for e-match/Tiger Tail igniters - No external
12V power option • Needs 12V relay module boost for reliable operation of
bridgewire igniters• Updated version available with key switch
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DBR01 System
DBR01-X controller with 4-ch and 6-ch receivers
Updated version with key switch
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DBR01 System
DBR01-X controller with 4-ch and 6-ch receivers – ebay listing of Ziyanfireworks store
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DBR01 System
Updated controller with (4) 6-ch receivers – ebay listing of Ziyanfireworks store
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rfRemoTechrfRemoTechMS12 System
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rfRemoTechrfRemoTechMS12 System
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rfRemoTechrfRemoTechMS12 System
TCF200-UModular programmable controller
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rfRemoTechrfRemoTechMS12 System
MS12Q receiver directly wired to pad lead outlets
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Cobra 18 Cobra 18 System
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Cobra 18 Cobra 18 System
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Cobra 18 Cobra 18 System
18 cues (pads); 100 cells
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Sources for Sources for Wireless Components
• DBR: Ebay stores Zinyanfireworks, MagicEffect, ChinaFiringSystems, YanhuoElectric,
• DHGate.com: https://www.dhgate.com/wholesale/search.do?act=search&sus=1&searchkey=fireworks+firing+system&catalog=#hpsearch1806
• MS12Q: rfRemoTechhttps://www.rfremotech.com/MS12Q2BSeries.html
• Cobra 18: Cobra Firing Systems http://www.cobrafiringsystems.com/product_overview.html
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Adapting Wireless
Fireworks Systems for
Rocketry
Parts and Accessories
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Adapting Wireless Adapting Wireless Fireworks Systems
• Fireworks controllers are designed provide short-duration, low-voltage (6V to 9V), low-current pulses for electric match or “Tiger Tail” firework fuse igniters.
• Bridgewire-type igniters commonly used with composite motors require more amperage and a higher voltage applied for a longer period of time.
• Adapting wireless fireworks systems for rocketry use typically requires connecting 12V relay modules and/or programmable latching/momentary relay boards to the receiver module.
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Adapting Wireless Adapting Wireless Relay Systems
4-channel relay module; leads from 9V receiver connect to input terminal strip at bottom left.
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Adapting Wireless Adapting Wireless Relay Systems
1-channel analog timer board;triggered by separate relay module acting as pushbutton switch
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Adapting Wireless Adapting Wireless Relay Systems
4-channel digital programmable timer board; triggered by relay module connected to receiver
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Adapting Wireless Adapting Wireless Relay Systems
FSA’s Backup Hi-Power System
MS12Q with 1-ch analog latching relay added
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Adapting Wireless Adapting Wireless Relay Systems
MS12Q with digital programmable 4-channel latching relay
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Building Wireless
Relay Systems
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Building Wireless Building Wireless Relay Systems
• Instead of purchasing a commercially-made system, a scratchbuilt single-cell system can be assembled using off-the-shelf components, at a very affordable price.
• Wireless relay modules are available in a wide range of channel quantities, voltages and transmitting range capabilities.
• Although the modules are typically intended for robotics or equipment control, they are easily adapted for rocket range applications.
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Building Wireless Building Wireless Relay Systems
• The programmable modules act as the brains of the system; the builder must add usability functions such as enclosures, power supplies, safety switches and igniter leads.
• Boards are available that have “latching” (power applied to relay for a programmed duration) or “momentary” (power applied to relay as long as button is held) capabilities
• The handheld controllers are typically very basic and lack the functionality of the commercial controllers; the modules cannot be linked with multi-cell controllers.
• Use search terms such as “12V 6-ch wireless relay module” to locate suitable equipment.
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Building Wireless Building Wireless Relay Systems
Generic 12-volt, 6-channelprogrammable wireless relay transmitter & receiver
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Building Wireless Building Wireless Relay Systems
Generic 12-volt, 12-channelprogrammable wireless relay transmitter & receiver
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Building Wireless Building Wireless Relay Systems
Generic 12-volt, 15-channelprogrammable wireless relay transmitter & receiver
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Sources for Sources for Wireless Components
• Relays, Relay Modules, Switches, Batteries & Accessories: Use search engines for applicable keywords e.g. 12V 6-ch relay module, 4-ch latching relay, 12V gel cell B.B. Battery
• Mangooddigital ebay store
• AliExpress, AliBaba: https://www.alibaba.com/trade/search?fsb=y&IndexArea=product_en&CatId=&SearchText=12v+relay+board
• Digi-Key: https://www.digikey.com/
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Thank You For
Attending!
Questions &
Comments