[tccrockets] Re: Aeropack 98mm
- From: James Dougherty <jafrado@xxxxxxxxx>
- To: TCC chat <tccrockets@xxxxxxxxxxxxx>
- Date: Tue, 10 Mar 2015 22:26:25 -0700
Yes, it's a saturday afternoon or late night mess :-)
Plan on a couple hours and then the anticipation
keeping you waiting and waiting ...
On Tue, Mar 10, 2015 at 10:17 PM, Rob Diehl <rwdiehl@xxxxxxxxxxxxx> wrote:
> Got it all handy.
>
> I figure if I can spread the load out enough it should be fine.
>
> Thanks guys.
>
> Sent from my iPhone
>
> On Mar 10, 2015, at 9:50 PM, James Dougherty <jafrado@xxxxxxxxx> wrote:
>
> Yes, exactly
> It's scary but be prepared with gloves - cloth from t shirt material & a
> gallon of acetone ;-)
>
>
> Sent from my iPhone
>
> On Mar 10, 2015, at 9:44 PM, "chvy91bowtie@xxxxxxx" <
> dmarc-noreply@xxxxxxxxxxxxx> (Redacted sender "chvy91bowtie@xxxxxxx" for
> DMARC) wrote:
>
> Rob,
>
> Get a good spread of epoxy over the entire surface and you should be good.
> Doubt that thing moves...
>
> Sent from my Virgin Mobile Android-Powered Device
>
> ----- Reply message -----
> From: "Dennis Yeh" <dennismyeh@xxxxxxxxx>
> To: "tccrockets@xxxxxxxxxxxxx" <tccrockets@xxxxxxxxxxxxx>
> Subject: [tccrockets] Re: Aeropack 98mm
> Date: Tue, Mar 10, 2015 9:37 pm
>
>
> No experience with those retainers here, but I would personally reinforce
> it with a coupler unless you're going for an altitude record. What's the
> peak thrust on your motor? You could always test it's strength by putting
> it onto concrete, placing a thick piece of wood over it, and getting two
> people to stand on it (or weight a few buckets filled with rocks)
>
> -Dennis
>
> On Tue, Mar 10, 2015 at 7:57 PM, Rob Diehl <rwdiehl@xxxxxxxxxxxxx> wrote:
>
>> Question:
>>
>> I want to use the 98mm Aeropack Minimum Diameter retainer in the
>> sustainer of my 2 stage rocket. The directions state that the thrust ring
>> should be touching the aft flange of the airframe.
>>
>>
>>
>> I am going to have the motor sticking out of the airframe to use as a
>> coupler. Which puts all of the thrust on the Aeropack. Is it going to
>> hold up to an M motor? Should I reinforce it with a coupler and some pins
>> through the airframe?
>>
>>
>>
>> I thought that was what it was for, but after reading the instructions (I
>> occasionally do that) it looks like it was not meant for that.
>>
>>
>>
>> Opinions?
>>
>>
>>
>> Thanks.
>>
>>
>>
>> Rob
>>
>
>
>
> --
> Dennis Yeh
> University of California, Los Angeles
> B.S. Aerospace Engineering, 2015
>
>
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