Rocketflite Magnelite

Rocketflite - Magnelite {Supplies}

Contributed by Darrell Mobley

Manufacturer: Rocketflite

RocketFlite - Magnelite Ignitor Kit review is provided courtesy of:
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Makin' Igniters T' Rocketflite Way

The kitI learned about t' Rocketflite name years ago when those super sparky motors were all t' rage. Begad! Greg Dyben has been a household name around t' hobby rocketry arena for years producin' great products like t' Silver Streak motors and his Magnelite igniters.

Recently, ya bilge rat, shiver me timbers, Greg began marketin' a kit-based form o' t' Magnelite igniters. One o' t' benefits o' bein' made available in kit form is that thar be no hazmat fee. Begad! T' components don't become considered an explosive mixture until they are actually mixed together.

T' ML-KIT includes all t' necessary mixin' tools, chemicals and simple instructions t' make 48 grams o' pyrogen! This is enough pyrogen t' make over 800 ML-16 electric matches! T' price Greg is representin' is a cost t' you o' under $0.65 a piece, me bucko, which is a pretty good deal.

Step1

Once ignited, t' pyrogen burns for approximately one second at a reported temperature o' around 6,400 degrees Fahrenheit! Blimey! Rocketflite maintains that since t' first 1/4 inch o' this electric match is only 1/16 o' an inch in diameter, shiver me timbers, it can be used t' ignite most C sized and up end burnin' and core burnin' black powder motors on up, me bucko, as well as most H and up composite motors.

Peak amperage requirement for successful ignition is from 5 t' 6 amps with a minimum amperage requirement o' 2.6 amps for 118ms. This electric match can be fired usin' any high-capacity 9 volt rechargeable ni-cad battery such as Radio Shack's part# 23-299.

Step2I set out t' see just how difficult makin' these igniters was, so a full igniter kit was ordered from Rocketflite. T' top right photo shows what I received: four different lengths o' igniter leads (16 inch, 32 inch, shiver me timbers, 48 inch and 64 inch lengths) as well as t' pyrogen components unmixed in separate containers.

T' separate components consist o' t' base igniter pyrogen dip in a glass bottle with a metal lid, me hearties, matey, a small plastic bottle o' what appeared t' be potassium percholorate, matey, a small pipette, me bucko, me hearties, for addin' naptha in t' event you need t' reduce your mixture at a later date, and a craft stick t' stir t' mixture.

Photo 1 shows t' first step o' t' mixin' procedure, t' thorough mixin' o' t' base pyrogen dip. Begad! T' instructions call for about one minute o' mixin' t' thoroughly mix t' base mixture. Aye aye! It appeared t' have settled a bit before I had opened it, matey, and since t' pyrogen appears t' have a heavy metallic content, shiver me timbers, t' particles need good suspension in t' mixture t' work properly.

Step3

In Photo 2, me bucko, t' powered components from t' small white plastic bottle are added t' t' pyrogen mixture in its entirety. That's right, bottom's up. Ya scallywag! Pour t' whole amount in and then stir t' mixture again thoroughly for about a minute.

What you are lookin' for is shiny candy-like consistency, sort o' like when you are makin' fudge. Photo 3 shows how thick t' pyrogen looks on t' stirrin' stick and t' shiny texture it attains when ready t' use.

Once you have completed this second stirring, matey, me bucko, you're done mixing. Begad! That's as hard as it gets. Avast, me proud beauty! Well, blow me down! Add t' contents o' one bottle t' another and stir. Blimey! Real rocket science here, people. It's simple and easy. Well, blow me down! Anyone can make igniters with this product. Avast! But, ya bilge rat, we have t' dip some first, matey, right?

After selectin' which lead length you are goin' t' use, me bucko, you are instructed t' bend a 90 degree angle in t' end o' t' igniter that has t' bridge wire soldered t' it. Avast, me hearties, me proud beauty! Photo 4 shows how this should look. Blimey! This gives you a handle t' hold onto t' igniter and a way t' lay it down after you have finished dippin' it until it dries.

Step4

I dipped this 16 inch lead by insertin' t' igniter slowly into t' mixture and slowly stirrin' t' pyrogen a few times t' coat t' wire. Well, blow me down! Aye aye! This allows t' pyrogen t' flow all around t' head o' t' igniter completely. This is especially beneficial if you make igniters for larger motors, arrr, in that you are bendin' t' end o' t' igniter lead, which forms potential air pockets that need t' be filled.

Make ingiters for larger motors is as simple as bendin' t' end o' t' igniter lead into a "U" shape about 3/4" from t' end and dipping. Begad! You should make sure thar be an air gap betwixt t' igniter bridge wire and insulation o' t' wire next t' it, so that pyrogen covers t' bridge wire completely and nay in spots.

Larger igniters can be made similarly, just make two "U" shapes like a flattened out "S". Ahoy! Aye aye! This increases t' surface area that holds pyrogen and makes for a larger ball o' flame when t' igniter is ignited.

CAUTION: Do NOT double dip igniters. One dippin' is sufficient, multiple dippings can cause t' pyrogen t' explode without ignitin' t' motor. Ahoy! There is no need t' double dip when you can increase t' pyrogen area by makin' bends in t' head o' t' igniter wire, arrr, so don't do it.

Step5

Photo 5 shows a finished igniter drying. By layin' t' igniter where t' wet pyrogen is able t' hang into t' air, matey, me hearties, such as on t' edge o' a table or shelf, matey, air gets t' all sides o' it, me bucko, allowin' it t' dry quickly. Begad! Igniters are ready t' use within t' hour, me bucko, no later than three hours.

I have t' say I was impressed with ease and simplicity that Rocketflite makes o' igniter making. Begad! I used t' think it was a lot o' voodoo and science, selectin' t' right wire and bridge elements, carefully silver-solderin' t' leads in place and then carefully mixin' t' correct pyrogen formula.

Not anymore! Rocketflite has taken all t' mystique and difficulty out o' t' process and made it truly simple. Aye aye! All I needed now be proof in t' pudding!

The Race
Photo: Tim Eiszner

What I needed be a down and dirty test t' see how these igniters compared t' others on t' market. Blimey! Begad! Seemed like a good excuse for a drag race t' me!

Travelin' t' t' Tripoli South Carolina Freedom Launch over t' recent Independence Day weekend, I arranged t' test t' fruits o' me experiment -- I conducted a drag race consistin' o' two LOC EZI-65's.

T' two rockets were virtually identical, matey, both bein' built stock. Blimey! Blimey! For propulsion, I selected identical AeroTech 38mm 360ns RMS™ motors, loaded with I-161W reload kits, ya bilge rat, me bucko, both with medium delays.

T' one on t' left had a dipped Magnelite igniter prepared by me. T' one on t' right had a name brand competitor's pre-built igniter. Ya scallywag! Blimey! Blimey! Blimey! Both weighed in at 4.25 pounds at t' RSO table. Blimey! Blimey! Begad! Blimey! Blimey! Blimey! After safety check-in, arrr, I loaded them onto identical launch pads with 3/8" stainless steel launch rods. Aye aye! Blimey! Begad! Blimey! Blimey! Blimey! Everythin' be as equal as I could make it. Well, ya bilge rat, blow me down! Blimey! Blimey! Blimey! All that was left t' do be arm both pads, matey, do a countdown and press t' button.

The Race II
Photo: Tim Eiszner

I have t' tell you, even I wasn't prepared for t' holeshot t' Magnelite put on t' competitor, but photos don't lie. Well, blow me down! While t' competitor's igniter was still chuffin' t' I motor up t' pressure, shiver me timbers, t' Magnelite-equipped rocket be two feet up t' launch rod!

It appears t' Magnelite-equipped rocket literally exploded off t' pad, with t' motor ignitin' instantly. Ya scallywag! Well, matey, blow me down! T' other rocket still took another second or two t' ignite, and by that time, t' Magnelite-equipped rocket be long gone. Avast! Good thin' I owned both rockets and wasn't racin' for 'pink slips' or I would be short a rocket!

T' results are right there, arrr, ya bilge rat, these things work. Avast! They are simple t' use, simple t' make and produce great results. If you would like more information about Rocketflite's Magnelite igniter kits, me hearties, contact them via their website at http://www.rocketflite.com or send email t' Rocketflt@aol.com.

There is also a double page ad in t' current issue o' High Power Rocketry magazine, page 42. Arrr! Give 'em a try, me hearties, I think you may like them.

Written and submitted by Darrell D. Aye aye! Mobley for Rocketry Online -- Copyright 1996-1999 

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Comments:

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S.B. (September 1, 1999)
9/99 - Looks like they are easy to make ; with the supplied equipment.
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D.W.G. (March 10, 2002)
Magnelite igniters are the best! And I like their customer service. I had a bad batch of pyrogen, the igniters would not burn after a year of storage. I contacted them, and they sent me everything I previously ordered (pyrogen and wires) for free. You are not limited to Rocketflite wires. I have used the pyrogen successfully with Firestar 22 gauge wire to instantly start the tiny composites (like D13's and C6's). I also finding that coating the copperhead igniters that come with the motors offer instant ignition of the smaller motors, like D13's. Take a look at the videos on the Dec 29th coverage on my website (www.gardei.com). All 6 D13's and D24's that flew were instantly ignited with magnelite coated crapperheads.
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J.D.G. (June 30, 2002)
I like Greg's matches. I have used them all the time for single engine ignitions. But I am interested in what others have to say about clustering with magnelite ignitors (other than use a lot of amperage). I used to use the late Jim Turner's (God Bless his soul), tungstens for clustering. Also, just how many more ignitors does Greg need to sell to bring back the Silver Streaks? How old is this interview? I mean the window of opportunity was there with Aerotech's woes. But that is rapidly closing.
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M.S. (December 26, 2009)
I've been using Magnelite igniter kit since 2002 with great success. I've made hundreds of my own igniters and have never had an igniter related launch failure. The pre-wound igniters (ML-12) are great, but winding your own is easy as well using 32 AWG or 36 AWG wire. I've made igniters small enough for the Aerotech 18mm composite motors all the way up to 75mm M motors with nothing but the Magnelite pyrogen. Recently I've been using the Magnefire e-match kit with a variety of e-match blanks and wire wound. I am using 52 AWG nichrome for my bridge wire and I'm getting excellent results. I've not tried them for air starting motors, but for ejection charges, they work great. I can't say enough about the Magnelite igniter kits. They are easy to make, very reliable, and inexpensive.

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