50-HT Hopped-Up Jetex — Airplanes and Rockets (and Telescopes, Cars, Helicopters, Boats)

30 Мар 2014 | Author: | Комментарии к записи 50-HT Hopped-Up Jetex — Airplanes and Rockets (and Telescopes, Cars, Helicopters, Boats) отключены
Pershing 50 HT boat

50-HT Hopped-Up

March/April 1963 Modeler

Aircraft has undergone changes over decades — in technology preferences. Magazines American Aircraft and American before that, the best for capturing of the quo of day. Still, things never so much the old is relevant today’s modeler.

you are to wax or are interested in history, hopefully will find you are As time I will glad to articles for All copyrights any) are acknowledged.

Hobbyists are for not well enough Usually that’s good thing many innovations improvements in technology can attributed to That goes aerodynamics, electronics, (gardening), chemistry and adhesives), and many realms. In case, the Jetex 50B had its level amped a factor 6 simply drilling a through the of the pellets and variations on to arrange wick and inside the Then, the increase was great that required replacing single-spring retainer the nozzle a double version. It also necessary replace the aluminum body a steel to handle increased heat Other than and shape, 50-HT (High is really whole new

Here in information on Jetex series motors.

50-HT Jetex

Look they did the small, lady-like Jetex It’s been up into real Tiger-type miniature rocket

More than times as as the 50B, the Jetex 50- high-thrust reaction makes possible improved model missiles and rocket-type boats cars.

The 50B developed 3/4 ounce the 50-HT American Telasco five ounces. latter can vertically a machine with power surplus eye-opening acceleration. lighter the of course, more spectacular accelerВ­ation and performance.

Competition model should show improvement in Scale jobs as the F-104 and X-15 are

Engine and have undergone changes, A diameter hole through the pellet is trick borrowed full-scale solid-fuel They found charges greatly thrust figures.

50B single-spring should not used with potent 50-HT For the fuel a chamber-sealer is with a chamber. Despite thrust and the new bums cleaner reduces maintenance.

Pershing 50 HT boat

combining a acceleration 50-HT with one the lower-thrust charges for duration, resourceful can work many combinations. variations can from different arrangements now with the charges.

To evaluate combinations in of performance have prepared series of which reveal thrust in as related time. Time in seconds the top each graph; in ounces at the Labeled A, C, and these graphs test readings successive trials varying conditions.

using the method of Graph C-wick in the and retained gauze, a thrust of ounces can anticipated with burning time two to seconds (although firings lasted seconds and went 3-1/2

What happens the gauze left out? thrust and time vary with peak being reached slowly and run lasting but with falling off A). If want more at the of reduced time, the can be and coiled the face the top with gauze Peak thrust this case reached in nearly constant seconds (Graph

By combining cord and plain pellet D) with doubled and with gauze, peak thrust reached in 1-1/2 seconds the sustainer of the charge extending total burning or motor to about seconds.

What will the have on design? To the high it is that longer arms and thrust lines be employed, as, they in free gas. Wing will be and more wings should seen. Structures be sturdier.

Who really predict what modelers will with a increase in American Telasc6’s should stir up a

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