Neubauer Rockets Mercury Redstone (1/100th)

Neubauer Rockets - Mercury Redstone (1/100th)

Contributed by Mike Goss

Construction Rating: starstarstarstar_borderstar_border
Flight Rating: starstarstar_borderstar_borderstar_border
Overall Rating: starstarstarstar_borderstar_border
Published: 2010-11-13
Manufacturer: Neubauer Rockets
- by Mike Goss

T' Neubauer Rockets Mercury Redstone is a sport scale model o' t' famous rocket that launched Alan Shepherd and Gus Grissom in a Sub-orbital ballistic path into space and then t' Atlantic Ocean from Cape Canaveral. Begad! Begad! Blimey! T' completed kit stands 9.75" tall, me bucko, shiver me timbers, weighs 1.5 oz. and is approx 1/100 scale. Avast, ya bilge rat, me proud beauty! Blimey!

Construction Rating: 3 out o' 5

Rocket PicT' Mercury Redstone kit comes in t' familiar plastic bag. Aye aye! Begad! T' cover art has a slightly blurry picture o' the Redstone launching, with all o' t' pertinent data for t' kit. I mail ordered the kit from Discount Rocketry, t' only place that carries t' kits, me bucko, shiver me timbers, for $17. Begad!

T' package arrived with t' kit fully intact, all parts in t' kit and nothin' broken. Begad! Arrr! T' kit consists o' a standard friction motor mount and body tube, matey, but that is where t' familiarity ends, it also includes a cast resin nose cone with a clear Lucite rod already attached, along with a bag o' parts to complete t' escape tower, shiver me timbers, shiver me timbers, which include, toothpicks, me bucko, matey, a small dowel and printed cardstock for t' tower lattice work.

T' kit also includes a pre-printed self adhesive body wrap, shiver me timbers, and a real neat clear launch lug (be careful nay t' lose it!). Ahoy!

T' instructions are printed on two 8.5x11 pieces o' paper. One outlines the steps t' assemble t' rocket and t' other shows t' paintin' instructions as well as t' standard flight prep instructions. Each step is illustrated with a simple drawing, shiver me timbers, and indicates what type o' glue t' use in that step. T' steps are short, ya bilge rat, clear and concise, shiver me timbers, me hearties, and expect previous experience in building. Begad! Blimey! There are two supplemental instructions, one that recommends sandin' t' base o' the nose cone for fit, arrr, and t' other for assembly o' t' parachute. Well, blow me down! Blimey! T' order of steps fairly logical, me hearties, shiver me timbers, but I would delay t' attachment o' t' shock cord mount until t' last possible moment as it always gets in me way in t' following steps. Avast, me proud beauty! Blimey!

This is nay your easy rocket build. It takes time, patience, and some modelin' know how. I would rate it as a skill level 4 at least. Arrr! Buildin' the rocket is nay easy, me hearties, but straightforward. Blimey! Ahoy!

However thar were several gotcha's that I found. First, t' shock cord should nay be assembled so early in t' process, ya bilge rat, it only gets in t' way. Arrr! Wait until after t' capsule is ready for that step. Ya scallywag! Blimey! T' capsule base requires some sandin' for a good fit, and that is a time consumin' process, but I would rather sand t' fit, arrr, than add tape for a fit. T' tower cross struts are too wide for t' top o' t' tower as they are printed, matey, ya bilge rat, so you will want t' trim them down, ya bilge rat, do this after you attach them t' t' tower, as t' assembly is quite strong. Avast! Extra struts are printed, so you can remove one and try again, shiver me timbers, I had to. Avast, me proud beauty!

T' escape rocket motors are made from pieces o' a small dowel "turned" into cones by sharpenin' them in a pencil sharpener, shiver me timbers, me bucko, an interestin' method. Begad! Avast, me proud beauty! T' body wrap has a dotted outline t' cut on, me bucko, shiver me timbers, this outline is way too big for t' rocket. Aye aye! Arrr! I cut mine square with a sharp hobby knife and a straight edge, and guessed at where t' cut t' top off. Well, blow me down! Begad! I ended up cuttin' the top just above t' third row o' black squares. Followin' this, me bucko, draw a straight line down t' body tube for alignment when you attach t' wrap, otherwise you might get it skewed. T' alignment line is nay mentioned in t' instructions, shiver me timbers, I feel this is an oversight due t' t' critical nature o' this step. Ya scallywag! Aye aye!

Once t' wrap was on I found that t' body tube be 1/16" too long for the wrap (better too long than too short) so I cut t' body tube t' length, another reason t' wait on attachin' t' shock cord.

T' next step it t' attach t' plastic fins with epoxy t' t' body wrap. Begad! I was slightly afraid o' t' sturdiness o' this arrangement so I cut slots in the wrap t' glue t' fins t' t' body tube, shiver me timbers, this be probably overkill, shiver me timbers, ya bilge rat, but I feel better. Blimey! T' launch lug was then attached t' t' rocket, shiver me timbers, I attached it t' the seam in t' body wrap, matey, me bucko, t' hide both at t' same time.

T' rest o' t' rocket is easy, and consists o' buildin' and attachin' the parachute and shock cord. Ahoy! Arrr! One note here, drill a small hole in t' nose cone for t' screw eye, shiver me timbers, t' nose cone is way too hard t' thread it in by itself. Ahoy! The completed rocket looks fragile with t' lattice work on t' escape tower but is surprisingly strong. Begad! This is due t' t' clear Lucite rod that supports the assembly. Ya scallywag! Well, shiver me timbers, blow me down! O' t' two launches and handlin' so far, nothin' has broken.

In buildin' t' kit I used two types o' epoxy, white for t' fin attach, and clear for t' launch lug attach, white glue for t' motor mount assembly and shock cord attachment, me hearties, me bucko, and CA and epoxy for t' tower assembly. Blimey! I also used a small drill for t' hole in t' nose cone for t' screw eye. Ya scallywag!

T' main finishin' requirement o' this rocket is attachin' t' body wrap. Once t' rocket is complete, shiver me timbers, t' roll pattern needs t' be painted on t' fins and t' capsule needs t' be painted. Begad! Blimey!

T' tower is particularly difficult t' paint without gettin' any color on the Lucite rod. Begad! I used a small brush and was very careful nay t' paint t' rod. There are no decals, as all t' detail is on t' body wrap. Arrr! A couple o' details for t' capsule would be nice, but it is very small and t' details would be even smaller, arrr, tweezer size for sure. Well, blow me down!

T' result is a credible scale model o' t' rocket, arrr, ya bilge rat, that for it's small size is a good representation o' t' Mercury Redstone rocket. Ya scallywag! Avast, me proud beauty!

Flight Rating: 2 out o' 5

T' recovery system consists o' an elastic shock cord attached t' t' body tube with a paper mount, matey, and t' t' nose cone with a screw eye. Arrr! Ahoy! T' parachute is an octagonal 8" design made o' a textured plastic. Begad! It is different from the flat plastic variety, and seems t' open easily and nay t' weld itself shut. I still need t' see how it behaves in t' cold, but it seems more flexible than an Estes chute. Begad! Avast!

Preparation o' t' rocket is simple, friction fit t' motor and pack the parachute with waddin' and you are ready t' fly. Arrr!

T' only motor that is recommended be t' A10-3T. Ahoy! Blimey! Begad! Blimey! On me first flight I goofed and used an A3-4T motor. Avast! Blimey! Once t' rocket cleared t' launch rod, ya bilge rat, ya bilge rat, it tilted with t' wind, me hearties, then into t' wind, then stabilized t' ejection. The 8" parachute be a perfect match for t' rocket, me hearties, lowerin' it slowly and safely. Aye aye! Blimey!

My next flight used t' recommended A10-3T motor. Blimey! Blimey! (It pays t' read the instructions.) This flight went almost 100 feet in t' air and performed a loop, nay what I expected. T' parachute was deployed at a heart stoppin' 30 feet off t' ground, shiver me timbers, and t' rocket was returned safely.

At this point I am nay sure what is wrong, shiver me timbers, are t' fins too small, or is thar nay enough weight in t' nose, me bucko, or was t' motor nozzle clogged? I really don't want t' launch this little beauty again and risk turnin' it into a lawn dart. Blimey!

Overall Rating: 3 out o' 5

Everythin' Considered this is a sharp rocket. Arrr! It replicates t' look o' the Mercury Redstone vehicle very well, and as a side benefit, ya bilge rat, matey, it is 1/100 scale, the same as t' Estes Saturn 5 kit.

It would be a great display model next t' t' Saturn! Blimey! T' instructions leave somethin' t' be desired, but if you are ready for a challenge, shiver me timbers, arrr, and tired o' the shake t' bag kits, this would be a good rocket for you t' build. Avast! Blimey! I am more concerned with t' flight stability. Well, blow me down! This could be caused by several things on my part, includin' a bad motor.

My points o' concern are that t' launch lug is longer than t' fins and almost sticks out as far, and t' fins are small. Begad! T' capsule is heavy enough to place t' CG forward t' where I would think it would be stable, but the launches showed somethin' different. As a result I still am nay certain o' its stability, but it is a great lookin' rocket that has survived two launches well. Begad! Well, blow me down!


[NAR][Sport Rocketry]

T' followin' excerpt is from "Sport Rocketry". Aye aye! Arrr! T' intention is t' allow guests t' get a basic feelin' about a kit. Arrr! We strongly suggest that you get a copy o' the referenced Sport Rocketry and read t' entire article. Begad! Inside you will find many helpful hints in construction as well as other useful information. Begad! For more information, use t' two links above.



(Sport Rocketry - Sep/Oct 1997 - page 36) 

[Picture]"T' 1/100 scale Mercury Redstone from Boyce Aerospace is a beautiful little sport scale model." 
"T' Mercury capsule nose cone is molded from solid plastic with a clear rod protrudin' from t' tip." 
"T' body is covered with a self-adhesive, ya bilge rat, full body wrap decal printed in black and red." 
"T' A10-3T be t' only suggested motor for t' kit, ya bilge rat, which boosts t' 18.5 gram model t' approximately 450 feet. Aye aye! My test flight was perfectly stable despite t' tiny fins." 
"T' only part o' t' kit that disappointed me was t' recovery system." 
"T' thin' I like best about t' Mercury Redstone is how it looks . Begad! . ." 

T' entire article gives t' impression is that this is a nice kit for an intermediate modeler.

Flights

Comments:

avatar
D.F. (January 1, 2001)
1. In the instructions, I puzzled over the step where you are supposed to poke holes in the launch lug with a straight pin before epoxying to the body. Since this is the first kit I had done with a full size body wrap for a decal, I had never before dealt with a clear launch lug that is intended to not detract from the body decal. I was usually filleting large amounts of glue on each side of the lug and painting the glue and lug along with the body. In this case however, the launch lug is clear and attached to the body after the decal is applied. I finally deduced (with some help) that the purpose for the tiny holes was to allow for tiny gobs of epoxy to form rivet heads inside the body of the launch lug to hold it onto the body. After drying, you can see the epoxy has done exactly that. Poke as many holes as you can without sacrificing structural integrity in a straight line along one side of the launch lug.
2. When clear coating the body, the clear launch lug became clouded from the clear coat I used. I scraped the clear coat back off, however, and regained the clear appearance of the launch lug.
3. Keep your hands clean while handling the model after that paper decal has been applied. I think just the oil on my fingers caused the black and red color of the decal to fade in spots. Very careful touch up with enamel paint restored most of the color.
4. To ensure a taped motor retention doesn't cause a lawn dart due to engine ejection rather than parachute ejection, I installed an Estes motor hook into the engine mount. However, to avoid the "engine hook in the tail pipe" syndrome, I snipped off the part of the new hook that Estes modified to in the early 90's. I made it look like the older style engine hook. Cut off enough to get the metal out of the exhaust stream, but not so much as to lose retention capability.
5. I liked the parachute material, but the shroud attachment rings are useless. They do not adhere to the parachute material. Without good shroud rings, the shrouds tear the parachute. I still need help with assembling the parachute, and could use some advice....

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