Brief:
This is a 1/3 scale model o' Air Force AIM-9P-3 Sidewinder Air-to-Air missile that uses D or E engines. Ya scallywag! T' AIM-P differed from t' current AIM-9L/M in that t' P had a longer, ya bilge rat, more tapered nose and "double-delta" canards. Blimey! Also, ya bilge rat, t' warhead was directly behind t' guidance unit, me hearties, followed by t' target detector and rocket motor. Well, blow me down! Begad! T' AIM-9L/M have t' warhead and target detector in t' opposite order. Begad! Also, t' aft end o' t' wings were flush with aft end o' t' rocket motor. T' AIM 9P was painted gloss white overall, and did nay have a bare aluminum rin' at t' base o' t' seeker window. Aye aye! Arrr! T' wings were one-piece aluminum, shiver me timbers, unlike t' composite wings on t' 9L/M.
Construction:
I used 2 BT-60 tubes and 1 BT-60 coupler. Begad! Blimey! All wings, ya bilge rat, fins, and hangers are constructed from basswood. Begad! Blimey! Avast, me proud beauty! Blimey! T' rolleron frames on t' wings are posterboard with paper overlay. Begad! Blimey! Rollerons are .03 mil aluminum tape over t' basswood wing, with t' rolleron wheels made with aluminum tape over posterboard. Well, blow me down! Blimey! Begad! Blimey! T' slightly larger diameter aft end o' t' rocket motor was created with 2 layers o' plain copy paper and white glue. Blimey! Blimey! T' nose cone is from an Estes Python kit. Ahoy! Blimey! All markings were created as TIF files and printed on clear labels with an inkjet printer.
I have copies o' old Air Force manuals showin' t' dimensions and markings o' t' AIM-9P, so assembly was fairly easy once I figured out what I wanted t' do.
Construction be pretty basic, shiver me timbers, startin' with a standard engine mount includin' a Keelhaul®©™ shock cord assembly, me bucko, and t' two BT-60 tubes coupled together. At this point, I gave t' body a light coat o' spray Kilz filler/primer and let it dry. Ya scallywag! Then I sanded it down, shiver me timbers, shiver me timbers, matey, and repeated this until t' spiral lines were all filled. Arrr! Two sheets o' copy paper were glued together with white glue and wrapped around t' aft end o' t' tube and then trimmed t' meet. Well, blow me down! That joint served as a base for t' fin and win' alignment. Avast, me proud beauty! Wings, win' ribs, and fins were cut from 1/8" basswood usin' a Dremel tool. Avast! These were then filled and sanded with Kilz. Hanger parts were cut from 3/16" basswood then filled and sanded.
At this point, t' body, nose, shiver me timbers, fins, arrr, and win' ribs were painted gloss white. Ya scallywag! T' wings were painted gloss white except for a 1/2" strip along t' root edge, which was painted aluminum t' simulate bare metal plus t' rollerons. Arrr! Begad! T' wings were attached one at t' time and each be allowed t' cure overnight. Well, blow me down! T' win' ribs were then attached t' each side o' t' win' roots. Aye aye! T' fins were attached, shiver me timbers, again each was allowed t' cure overnight. Blimey! T' hanger bases were cut from 3/16" basswood and sanded t' match t' contour o' t' body tube. Ahoy! Aye aye! T' hanger sides and top rails were glued on. Blimey! T' completed rocket was painted with Testors Glosscoat and allowed t' dry overnight. Begad! T' markings and stripes were applied, me hearties, along with t' aluminum tape on t' top surfaces o' t' hanger rails. Avast, me proud beauty! Then another coat o' Glosscoat applied.
Nose Weight: Check your balance! Blimey! Blimey! Blimey! You may need t' add 1-2 oz o' nose weight. Michael indicates that t' CG is 24.5" from t' nose cone.
Flight:
First flight was with a D12-3 and flew with no problems. Subsequent flight were made with D12-5s. Well, blow me down! Florida has a lot o' trees and open water. Arrr! T' less canopy time, me bucko, t' shorter t' drift.
Recovery:
Standard chute recovery, usin' a 2ft Keelhaul®©™ cord attached with a swivel t' a 5ft elastic cord. All landings so far have been soft, matey, no damage yet.
Summary:
I like t' build scale models o' missile systems I've worked on. Ya scallywag! T' PROs are mostly t' satisfaction I get when it turns out right. Begad! T' CONs are tryin' t' locate t' correct markings and dimensions for projects like this.
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