Ares Quartely report for May 2007

[holmec]

here is a nasa video on the quartely progress report on Ares I<br /><br />Video <div class="Discussion_UserSignature"> <p> </p><p><font color="#0000ff"><em>"SCE to AUX" - John Aaron, curiosity pays off</em></font></p> </div>

 

[ckikilwai]

The flames of the J-2X are <i>green</i>?? <img src="/images/icons/laugh.gif" /><br />So the flames under the first stage of the Ares V will also be green, that would be an awesome launch <img src="/images/icons/cool.gif" />

 

[ckikilwai]

So it is more likely it will be transparent like the Shuttles main engines?<br />I hoped it would be something special like the Saturn V with it's black smoke, sucked back into the platform, and after a moment giant blue flames when it lifted off. <img src="/images/icons/tongue.gif" />

 

[propforce]

<blockquote><font class="small">In reply to:</font><hr /><p>Copper must be in use for these tests since copper gives off a green flame. The use of copper in these early injector tests does not mean copper will be used in the production engine. <p><hr /></p></p></blockquote><br /><br /><br />The injector itself looks like stainless steel from the video. The flame looks green on the initial hot fire but then looks like the normal blue in subsequent shots. <br /><br />There probably some impurities in the flowpath for the first shot, that could explain the green flame, or just the way sunlight & camera effect from that angle.<br /><br /> <div class="Discussion_UserSignature"> </div>

 

[jimfromnsf]

The exhaust of the Ares V will be reddish like the Delta-IV and not clear like the shuttle. The ablative nozzle of the RS-68 adds color

 

[propforce]

<blockquote><font class="small">In reply to:</font><hr /><p>The exhaust of the Ares V will be reddish like the Delta-IV and not clear like the shuttle. The ablative nozzle of the RS-68 adds color <p><hr /></p></p></blockquote><br /><br />We're talking about the 2nd stage engine, the J-2X. <div class="Discussion_UserSignature"> </div>

 

[gunsandrockets]

<The flames of the J-2X are green?? <br />So the flames under the first stage of the Ares V will also be green, that would be an awesome launch /><br /><br />The J-2X is the second stage engine of the Ares I. The core stage engine of the Ares V is the RS-68.