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ramjet
A ramjet, or athodyd (aero thermodynamic duct), is a form of airbreathing jet engine that uses the forward motion of the engine to produce thrust. Since it produces no thrust when stationary (no ram air) ramjet-powered vehicles require an assisted take-off like a rocket assist to accelerate it to a speed where it begins to produce thrust. Ramjets work most efficiently at supersonic speeds around Mach 3 (2,300 mph; 3,700 km/h) and can operate up to speeds of Mach 6 (4,600 mph; 7,400 km/h).
Ramjets can be particularly useful in applications requiring a small and simple mechanism for high-speed use, such as missiles. The US, Canada, and UK had widespread ramjet powered missile defenses during the 1960s onward, such as the CIM-10 Bomarc and Bloodhound. Weapon designers are looking to use ramjet technology in artillery shells to give added range; a 120 mm mortar shell, if assisted by a ramjet, is thought to be able to attain a range of 35 km (22 mi). They have also been used successfully, though not efficiently, as tip jets on the ends of helicopter rotors.Ramjets differ from pulsejets, which use an intermittent combustion; ramjets employ a continuous combustion process.
As speed increases, the efficiency of a ramjet starts to drop as the air temperature in the inlet increases due to compression. As the inlet temperature gets closer to the exhaust temperature, less energy can be extracted in the form of thrust. To produce a usable amount of thrust at yet higher speeds, the ramjet must be modified so that the incoming air is not compressed (and therefore heated) nearly as much. This means that the air flowing through the combustion chamber is still moving very fast (relative to the engine), in fact it will be supersonic—hence the name supersonic-combustion ramjet, or scramjet.
Up for sale. Southwest Washington, Vancouver area, Clark County area.
Brand new. Never fired.
Radian Afterburner and Ramjet Combo. 9mm barrel and micro compensator combo.
Fits Glock 19 Gen 4.
Paid $399 plus tax. ($431 total).
*SALE* $280 cash.
Will ship, plus $10 shipping, PayPal.
Trade...
Up for sale. Southwest Washington, Vancouver area, Clark County area.
Brand new. Never fired.
Radian Afterburner and Ramjet Combo. 9mm barrel and micro compensator combo.
Fits Glock 19 Gen 4.
Paid $399 plus tax. ($431 total).
Selling for $300 cash.
Will ship, plus $10 shipping, PayPal...
Radian Ramjet After burner for G19 Gen 4. Lightly used and it kicks butt, very noticeable reduction in recoil. Bought this and love it however I am getting a Gen 5 one for a G45 i have coming and dont need 2 of these. I put about 200 rounds thru this initially with no issues. Runs fine on 18lb...
Selling my Radian AFTERBURNER + RAMJET (GEN 4) Micro Compensator and Match Grade Barrel
This combo has approximately 500-600 rounds through it in a Shadow Systems from one pistol class, cleaned and then put back in box.
Asking $350 ftf in Corvallis/Albany or +$15 shipped USPS. Cash, Venmo or Zelle
Hello,
I have a custom Glock 19 Gen 3. Here's what it comes with:
Glock Gen 3: $300
Custom slide and laser stippling $700
Radian ramjet/afterburner barrel and comp combo: $390
Burris fast fire 2: $125
Undercut $45
Steel Guide Rod: $25
Strike Industries Magwell: $25
15# Recoil Spring: $15...
Selling my Glock 45 mos. Gun was originally just irons, but previous owner traded uppers for a factory mos. Comes with case (numbers don't match) and plates and grips. Come with 3x10 round mags.
Also comes with Glock advanced trigger installed - original trigger not included.
Also comes with...
Put this together over Xmas, then got a new gun for a gift. This one will hit the backburner for me.
Glock 45 MOS. Comes with:
Fresh out of the box, unfired, radian ramjet.
Holosun scs with green reticle
4 x 10 round mags
Glock advanced trigger installed
One grip extension installed
Optic...
Up for trade is my Glock 45 with a holosun scs and a radian ramjet. Gun has currently seen under 100 rounds. I set it up to see if the ramjet lived up to the hype and it sure does!! Love shooting this gun! Comes with Glock box and 3x10 round mags. Also original holosun box and radian box...
Selling my Glock 45 with radian ramjet installed. The ramjet is incredible and sold out everywhere again. Comes with Glock box, 1 extra grip. Plates 1 and 2. Flush plate. 3x10 round mags. Original barrel. I’m pretty sure I have the ramjet box too.
$999. Buyer pays their own fees. Meet at a...
Radian AFTERBURNER + RAMJET for Glock 19 Gen 4. $340
Approximately 60 rounds through. Selling it as it was originally used for my Shadow Systems MR920 when carrying hiking rounds. Since I now have a vetted FN 510 and another full-sized Glock, I no longer need this.
Relisted to show price drop. Excellent, my favorite Glock but sticking with staccato. The trigger made all the difference for me on this one. 1000 rounds with oem barrel, 200 on ramjet. No malfunctions, stock spring was left in due to not needing to go lower.
Gen 5 Glock 19
Trijicon RMR type...
Radian Ramjet and Afterburner for a Glock 19 Gen 4.
$275.00 firm if sold by this weekend. I am taking a hit but need the cash. Retail at $380-$400.
Save $115.00 on a great comp and barrel. If I had a Gen 4 I’d be keeping it.
Makes the G19 the same length as a G17.
Legal in all 50 states.
Picked this up in a trade today hoping I would be able to make it work with my Gen 5 Glock. Unfortunately the Comp portion is specific to a Gen 4. Stupid me…..
Radian Afterburner (Compensator) for a Gen 4 G19
Radian Ramjet (Barrel) for a Gen 3, 4 or 5 G19
The comp is the Gen specific portion...