Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5
RW Lil Rascal DD build
#1
monday at LDRS34 AMW was having a killer sale. They not only had the AMW kits but a pretty good selection of Madcow kits as well as Rocketry Warehouse kits. I couldn't resist and picked up a RW Lil Rascal in fluorescent yellow and a madcow 2.6" patriot. This Lil Rascal kit is pretty nice for the price, especially on sale! The kit includes a FW fiberglass nosecone and 6" coupler. I know these things need a bunch of nose weight so I'm going to build it with HED (head end deploy) and have some fun with 3 grain 38 and 2 grain 54mm motors! I still have to order the bulkplates and switch band from Rocketry warehouse but I got started on the back end. I'm using 5/16th tubular kevlar as a Y harness to the motor tube. after washing and sanding, the top centering ring was notched and glued on with a little JB weld.
[Image: 8bakTewHdnLDtWK2u51IAGe8XEL4OPdPlHwBv2gB...91-h921-no]
[Image: Y-EFjUOk88BEDj33HDEwNQIi9WmfglItJWMZBg4F...28-h921-no]
here is a pic of the nice nosecone these come with now.
[Image: MRjM8SVWxzmUI6Az7Ohl0aAElKjQkIPgDauVsuVB...91-h921-no]
Riley Keller
URRG
TRA#15415
L1 25 Oct 2014 Estes MDRM CTI H133
L2 25 June 2015 Rocketry Warehouse DYOK, CTI L1030RL 14k ft mach 1.57

I'm addicted to building stuff, rockets are just a way to get highCool
Reply
#2
A dual deploy Rascal, eh? I did dual deploy from the nosecone with a cable cutter. However, my cable cutters have vanished. You certainly have me thinking about going normal DD. I do have an unbuilt Rascal SE kit. Perhaps...
Reply
#3
man If I knew they swapped the NC's I'd have folded and gotten a second one Smile I need to finish mine up and fly it on some real motors
Reply
#4
I wasn't planning on getting anything at LDRS but this caught my eye. I'm glad I got this one. with the new nosecones this is a great kit at the normal price. gotta get my 1" black switch band and stepped bulkplates on order. also need to get my hands on a CTI 2 grain 54mm case.
Riley Keller
URRG
TRA#15415
L1 25 Oct 2014 Estes MDRM CTI H133
L2 25 June 2015 Rocketry Warehouse DYOK, CTI L1030RL 14k ft mach 1.57

I'm addicted to building stuff, rockets are just a way to get highCool
Reply
#5
This yellow fiberglass, while radioactively awesome, is very translucent. I'm going to go a little non traditional for Riley on the build at this point. normally I would slather some epoxy into the tube and stuff the motor tube and centering ring in there, but that would leave a big ugly visible ring where the centering rings are. so... I just tacked the ring and motor tube in with a dot of CA at each fin slot. I will do nice internal and external fillets as well as epoxy the centering rings to the edges of the fins, just not to the body tube. it will be plenty strong, I promise.
I also drilled and installed rail buttons with flange nuts. I use these on just about everything. [URL="https://www.rocketarium.com/Build/Rail/Delrin-Rail-Gudes/1010-Airframe?cPath=19_133&"]https://www.rocketarium.com/Build/Rail/Delrin-Rail-Gudes/1010-Airframe?cPath=19_133&[/URL]
[Image: EuPbKnIRD_MOTPyB5i04i6SU2_tUZevZtKKGUNt0...01-h667-no]
but, due to the see thru body tube I chucked them up in the drill press and filed them down to the same diameter as the rail button.
[Image: mCGqmqy-lEYbt87f8J88ClGi7ulh4BKxyc01y2xU...90-h667-no]
glued them in with a very light coating of JB weld on the face of the flange nuts.
[Image: GF726jcYXp13e-yW0YrRtKFEA9RZyZUIpgRNGUXc...90-h667-no]
[Image: fjzTyO3OW-tb3lNPALK6_WMwRMa57SgpDtl4-lgI...01-h667-no]
Riley Keller
URRG
TRA#15415
L1 25 Oct 2014 Estes MDRM CTI H133
L2 25 June 2015 Rocketry Warehouse DYOK, CTI L1030RL 14k ft mach 1.57

I'm addicted to building stuff, rockets are just a way to get highCool
Reply
#6
marked, masked and sanded the the body and fins for epoxy. also put a 45 degree bevel on the fins. useful? not really... next I need to print the fin guide on payloadbay.com and glue it to cardboard. I've found this to be a great way to get the fins aligned perfectly.
[Image: -kjteLOmbhm_uk9Jw15yinBQMr_RqmXTh8mS8T4-...90-h667-no]
[Image: G7Uz8KxnKAaaWqF5vQLNtbI-9YdAf3tJ9tQdkKF0...01-h667-no]
[Image: UBxxwfFGihkIQSdvIMXA4wMIZ6hObJXKVDt8QIvs...90-h667-no]
Riley Keller
URRG
TRA#15415
L1 25 Oct 2014 Estes MDRM CTI H133
L2 25 June 2015 Rocketry Warehouse DYOK, CTI L1030RL 14k ft mach 1.57

I'm addicted to building stuff, rockets are just a way to get highCool
Reply
#7
Got some more done tonight, printed out the fin guide on 11x17 paper, used the kids glue stick to glue it to thin cardboard from some toy thing, and cut it out.
[Image: hHJcG1ydt1ExgqO_u2CP4Az6c1kUPJz1X67XTEpa...93-h220-no]
then I injected some JB weld through the slots onto the motor tube and front centering ring.
[Image: D9rVBtUvrSEN8Hc6lzHYPezWyJa3_R81M0ErUbA-...90-h667-no]
I warmed JB weld by putting the tubes in a baggie under some hot tap water. this lets it flow a lot more so it can run down and form internal fillets.
[Image: PbdSiEC93Eq2LpbG-qGFuMnhzZD8KXtr1tUZJs38...90-h667-no]
This is where I always fail with pictures. I like to do lots of steps at once so I forget to take pictures. once I stuck the fins in I injected JB at each joint letting it run all the way down to the front centering ring. I use a stick when needed to move the JB weld around. This time I had to be careful not to get it on the body tube beyond where the external fillets will be because it will show. once I'm happy with the fillets I glue on the rear centering ring and retainer. then use rubber bands to hold the fins in tight while it all cures.
[Image: q9u9BQWqbjMO1nv-VzPTG9G57iOlCXmYcTgBkLKU...90-h667-no]
[Image: rsLZX7W3QRxMees13v1-2uma7QEov5B5yBYN9cvX...90-h667-no]
Riley Keller
URRG
TRA#15415
L1 25 Oct 2014 Estes MDRM CTI H133
L2 25 June 2015 Rocketry Warehouse DYOK, CTI L1030RL 14k ft mach 1.57

I'm addicted to building stuff, rockets are just a way to get highCool
Reply
#8
time to decide how long of a switch band to get...
[Image: uDWuqnXpDCtwloJ5bWtmYVrPZPZszmraa7ZngVNP...01-h667-no]
Riley Keller
URRG
TRA#15415
L1 25 Oct 2014 Estes MDRM CTI H133
L2 25 June 2015 Rocketry Warehouse DYOK, CTI L1030RL 14k ft mach 1.57

I'm addicted to building stuff, rockets are just a way to get highCool
Reply
#9
used up lots of tape and rocketpoxy today...
[Image: YhskUmRolqTxpJlb5Nto2-6gXfNKvzQKLymGfiPK...90-h667-no]
[Image: Rd622XgSFGS3OUH78M01vDWcwiOKOD2cymJlcIS_...90-h667-no]
[Image: krmJIgXt58fRrJ4do7XS6mIGz7OvrXlDcQGTKf51...90-h667-no]
Riley Keller
URRG
TRA#15415
L1 25 Oct 2014 Estes MDRM CTI H133
L2 25 June 2015 Rocketry Warehouse DYOK, CTI L1030RL 14k ft mach 1.57

I'm addicted to building stuff, rockets are just a way to get highCool
Reply
#10
That a 105 on the right?
Reply


Forum Jump:


Users browsing this thread: 1 Guest(s)