Recent Posts

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91
High Power / Re: 2.6" Darkstar ~ Wildman Rocketry
« Last post by RKeller on July 09, 2017, 02:14:49 PM »
washed all the dust off, cleaned with alcohol and acetone then started assembly. I'm using rail buttons with a flange nut since this is thin wall tubing. The rear button was tricky because there is such little space between the body tube and MMT. I failed to get a pic but was able to slide the MMT's front centering ring past the hole for the button and slip the button (with jb weld on it) between the tubes and into the drilled hole. Once the screw was holding the flange nut in place I finished installing the MMT. I didn't actually epoxy it in place, just used superglue to hold it where I wanted it.

Then I mixed up some rocketpoxy and squirted a big bead through each aft fin slot. Stuck the fins in, slid them around, pulled them part way out and back in to make sure the epoxy was spread around good. Used a template from payloadbay.com to keep the fins straight while the rocketpoxy cured.



92
High Power / Re: 2.6" Darkstar ~ Wildman Rocketry
« Last post by RKeller on July 09, 2017, 02:00:31 PM »
Next I installed the aft ring and 54mm motor mount using JB weld. Wildman includes a thin aluminum spacer to make the mount fit the thin wall 54mm tubing. it took some sanding to get the spacer and mount to fit on the tube.
Then I dry fit everything together and measured and masked for 5/8" diameter fillets.
Once I knew where I wanted the epoxy I sanded all the surfaces with 60 grit paper.

93
High Power / Re: 2.6" Darkstar ~ Wildman Rocketry
« Last post by RKeller on July 09, 2017, 09:21:16 AM »
I totally forgot to get kevlar at URRF, which is one thing I really like to get direct from a vendor so you can see and feel what you're getting. my 3" Optomystic had a 30 ft 3/8" kevlar booster harness so I decided that could be 25ish feet   ;) now I have enough for the Y harness!

sanded the parts, notched the top centering ring and glued in place with 30min epoxy with some milled fiberglass mixed in. I wrapped the harness ends with electrical tape to hold it down till the epoxy set.

94
High Power / 2.6" Darkstar ~ Wildman Rocketry
« Last post by RKeller on July 09, 2017, 09:15:40 AM »
URRF was a blast, and to top it off I was the lucky raffle winner of a 2.6" Wildman kit! The kit being raffled was a competitor with a 38mm mount. When I picked up up Tim was kind enough to let me swap it for a Darkstar with 54mm mount! I did't get the parts pile pic, but overall I was impressed with the kit. it's been a while since I got a kit from Tim and this all thin wall 2.6" line is pretty neat.

This kit came with 3/32 fins, so I started with my new bevel jig set to around 15 degrees. The jig uses the edge of a disk sander with the fin in a vertical position. the tilting table on the sander is what sets the angle...

95
Tracking / Re: New Eggfinder Mini GPS Tracker!
« Last post by PGagnon on June 18, 2017, 09:50:29 AM »
Riley

Just read your post. OUTSTANDING!
How about a list of additional parts and where to find them. (Case etc.)

Paul G.
96
High Power / Re: MAC Performance 54mm Scorpion DD
« Last post by RKeller on June 11, 2017, 10:09:03 PM »
Skip a few steps... Paint and decals from stickershock
97
High Power / Re: MAC Performance 54mm Scorpion DD
« Last post by RKeller on June 11, 2017, 10:01:28 PM »
filled and sanded, retainer is glued on with jb weld.

98
High Power / Re: MAC Performance 54mm Scorpion DD
« Last post by RKeller on June 11, 2017, 09:59:01 PM »
I had a small tail cone printed that will install under the 38mm retainer cap.


I buttered the edges of the fins with Rocketpoxy, stuck them in, pulled them out, added more and stuck them in again. With the Aft ring off I was able to see a good amount of epoxy on the entire edge so I stuck on the aft ring with some leftover rocketpoxy and let it cure. Once cure I did rocketpoxy fillets. The printed ring and motor mount are not glued on yet, just checking fit.

 
99
Beginner's Corner / Re: OpenRocket, unexpected results...
« Last post by RKeller on May 28, 2017, 09:09:34 PM »
Open rocket kinda has a hard time with the boat tail on a V2. Where did it place the CP? I've found the V2 CP to be right at the front most point where the fins meet the body tube.
100
Photo & Video Gallery / Re: URRG 5/20/2017
« Last post by DGBrown on May 28, 2017, 07:42:13 AM »
Here's a video I got off of my 4" R2. I appologize for my horrible video editing skills.
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