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Request for quote, 2 each 80 foot assembled length 1-inch tubular Kevlar Sewn 1-inch loop both ends 4 each 30 foot assembled length ½ inch tubular Kevlar Sewn 1-inch loop both ends 10 each 15 foot assembled length ¼ inch tubular Kevlar Sewn 1/2-inch loop both ends Shipping...

TRF, Anyone willing to share 3D CAD files of their Redstone booster? I'm especially interested in scale accurate details of the tail unit. All file formats are welcome but IGES and STEP are preferred. Feckless Counsel

TRF, Anyone willing to share 3D CAD files of their Redstone booster? I'm especially interested in scale accurate details of the tail unit. All file formats are welcome but IGES and STEP are preferred. Feckless Counsel

TRF, For sale is one complete Southbend 9 metal cutting lathe. Motor is 120V single phase. Ways are in great condition. Could use new felts and oil cups. Has three drawers and a cardboard box of accessories. Asking price is $1950. Pick up in Maryland. Sorry, cannot crate or deliver...

TRF, I am always impressed by the modeling work of Steve Eves, Vern Hoag and Karl Hemphill. If memory serves it’s been about 7 years since anything of that scale has flow in the US. Perhaps it’s time we get back to it? I would propose a 3/4-scale Mercury Redstone for flight March / April...

TRF, What is the judging criterion for world record “biggest” model or hobby rocket? Is this category recognized by any official records committee such as The Guinness Committee? Regardless of flight performance it seems to me the best criterion would be: Size = (Total volume...

TRF, I've been reading from Dr. Reese's paper "CuO / Al Thermites for Solid Rocket Motor Ignition" published volume 29 issue 5 the "Journal of Propulsion and Power." In that paper there is discussion of abrading motor grains prior to assembly. My question is to those of us who start...

Seeking an Aero Pack 150-mm motor retainer. Offering $200 for an new / unused set. Offering $90 for salvage in reasonable condition.

TRF, Have been working with glass cloth and resin over the holiday weekend. Some of that has been with style 7628 cloth. It’s cost is about $1 / yard as it is perhaps the most widely produced cloth. It is the foundation of FR4 circuit boards and of G10 laminates. It is a tight woven cloth...

TRF, Occasionally I’m asked how many “horsepower” in a rocket motor. It’s a reasonable question, I believe, as most folks are propelled by vehicles marketed in the metric. The answer, of course, is complicated. But here is a ballpark estimate for your entertainment...

Have one? Let talk's trade or cash. Feckless

TRF, I’ve been out of the hobby for about 20 months. Tried to restart some my jumbo project efforts but got lost in all that other stuff. Looking for a kick-start I purchased a 15-inch fiberglass nosecone and two 59-inch lengths of fiberglass airframe to match. Pictures are attached...

TRF, A colleague suggested that procrastinators are more successful in final outcomes. Would you agree or disagree? Feckless

TRF, My first large build, "Anima Mundi", failed by CATO. This is "Unfinished Business." Goals for this build are: 3FNC configuration 20.75-inch diameter 19-foot length 64.25-inch span 150-pounds pad weight N3301 motor 4500-foot AGL apogee L3 certification Lessons...

Vendors, I understand this area is for vendors but, as my need probably exceeds the typical garage sale, I'm posting here as well. Seeking competitive bids on 125 to 150 yards of style 7628 fiberglass cloth in 50-inch width. 1. Continuous bolt is preferred. Cut bolts are negotiable...

Suppliers, Seeking competitive bids on 125 to 150 yards of style 7628 fiberglass cloth in 50-inch width. 1. Continuous bolt is preferred. Cut bolts are negotiable. 2. Cloth shall be finished for epoxy resin. 3. Expired finish is acceptable but shall not exceed 4 months of...

TRF, Sure we've discussed this before but would you please comment on my Raven configuration as a back-up altimeter? Rocket flight is expected to subsonic with simulated altitude of 4000 AGL. Feckless

TRF, Anyone used a Skyangle XXXL chute? If so have you validated input parameters for simulation? Not a lot of data out there concerning that chute. Feckless

TRF, Cesaroni recommends bonding grains to liner in all Pro98 6GXL reloads? Anyone have grain bonding lessons to share? I'm a bit concerned about the process. Being feckless I envision grains seizing half way down the liner. Nightmare scenario. Feckless Counsel

TRF, Any comments? Feckless Counsel