[tccrockets] Re: G loading at impact.

  • From: James Dougherty <jafrado@xxxxxxxxx>
  • To: TCC chat <tccrockets@xxxxxxxxxxxxx>
  • Date: Tue, 21 May 2013 20:55:11 -0700

I'll bring my scope to next launch and you will see what happens visually.



On Tue, May 21, 2013 at 8:54 PM, James Dougherty <jafrado@xxxxxxxxx> wrote:

> Seriously though, next time we should measure your battery and the glow
> plug if you really want to make it work.
>
>
>
> On Tue, May 21, 2013 at 8:53 PM, James Dougherty <jafrado@xxxxxxxxx>wrote:
>
>>
>> yes, you should
>>
>> http://www.merriam-webster.com/dictionary/ass
>>
>> On Tue, May 21, 2013 at 8:12 PM, AiRobert <airobert@xxxxxxxxxxxxx> wrote:
>>
>>> **
>>>
>>> Stop being an ass?****
>>>
>>> ** **
>>>
>>> ** **
>>>  ------------------------------
>>>
>>> *From:* tccrockets-bounce@xxxxxxxxxxxxx [mailto:
>>> tccrockets-bounce@xxxxxxxxxxxxx] *On Behalf Of *James Dougherty
>>> *Sent:* Tuesday, May 21, 2013 7:43 PM
>>> *To:* **tccrockets@xxxxxxxxxxxxx**
>>> *Cc:* <**tccrockets@xxxxxxxxxxxxx**>
>>> *Subject:* [tccrockets] Re: G loading at impact.****
>>>
>>> ** **
>>>
>>> Stop using glow plugs****
>>>
>>>
>>> Sent from my iPhone****
>>>
>>>
>>> On May 21, 2013, at 7:04 PM, "AiRobert" <airobert@xxxxxxxxxxxxx> wrote:*
>>> ***
>>>
>>> **
>>>
>>> G loading at impact.********
>>>
>>> I crashed another rocket on Friday at DA, the strange part is that the
>>> electronics survived. So I wanted to see what the g loading was….*******
>>> *
>>>
>>> It fell for 20.3 seconds which (In a vacuum) would be 408 MPH********
>>>
>>> The altimeter shows a speed of about 305 MPH at impact, so that speed
>>> seems reasonable with the air resistance.********
>>>
>>> The stopping distance was about 28 inches, about the length of the
>>> nosecone.********
>>>
>>> So assuming a constant deceleration it works out to about 1330 g’s…WOW!*
>>> *******
>>>
>>> Did it really hit that hard? Well, it did separate the aft closure from
>>> the motor case (Cessaroni 6GXL) the aft closure and still attached
>>> centering ring were found about 20 foot from the crater.********
>>>
>>> Not only did the Stratologger survive, I used it successfully for two
>>> more launches at DA including the Nike drag race.********
>>>
>>> ****RZ************
>>>
>>> ** ******
>>>
>>> ** ******
>>>
>>> **
>>>
>>> No virus found in this incoming message.
>>>
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>>> Version: 8.5.455 / Virus Database: 271.1.1/5839 - Release Date: 05/19/13
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>>>
>>
>

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