| Construction Rating: |      | | Flight Rating: |      | | Overall Rating: |      |
Contributed by Michael P. Morley with Alex Morley
Brief:
The Estes X-Flyers is a kit in the Launchables series which contains two easy-to-build pre-decorated
model rockets. Alex, age 10 at the time, built both rockets in under ten minutes each without adult assistance.
Construction:
The two rockets are referred to in the kit as X-Flyer #1 and X-Flyer #2. X-Flyer #1 is
15.25 long. It uses a 9.25 BT-20 for the main airframe and has a nose cone composed of a BT-5 nose cone,
body tube, and a tube adapter. X-Flyer #2 is 15 long, and uses a BT-20 body tube. Both rockets use plastic 4-fin
fin cans and divide the BT-20 into two sections, which are joined by a plastic coupler with an integral shock cord
mount and launch lug.
The Estes instructions are clear and easy to follow. For both rockets, the first step is to attach the fin can to
the lower section of BT-20. The fin can includes a molded slot to fit around the engine hook. The coupler between the
upper and lower sections of BT-20 includes a short launch lug that lines up with another launch lug on the fin can.
Inside is a molded plastic anchor for the shock cord, which is a great improvement over the traditional tri-fold paper
mount.
On X-Flyer #1, the nose section is
a three-piece assembly consisting of a BT-5 nose cone, a 3 length of BT-5, and a tube adapter with a shock cord
anchor at the small end. #2 uses a standard plastic BT-20 nose cone.
Both rockets use a pre-assembled 12 parachute which is tied to the shock cord 1 from the nose cone.
They are very easy to build, thanks to mostly easy steps. The only hard part is pulling the shock cord through
into the retainer and putting the cap on the retainer.
Finishing:
There really is no finishing to do. All parts are pre-colored and the body tubes have printed graphics. #1 is dark
blue and black with yellow graphics, and #2 is yellow with a medium blue nose cone and fins.
Construction Rating:
5
out of 5
Flight:
We flew both rockets on A8-3 motors on clear days with light winds. Both boosted straight to an impressive altitude.
Recovery:
X-Flyer #1s parachute worked effectively despite a small burn hole, and the rocket was recovered undamaged. On
the first flight of X-Flyer #2, the parachute was fused together by the ejection charge, and it never deployed. The
damaged chute acted as a streamer, and the rocket was recovered otherwise undamaged. Alex replaced the parachute with a
streamer for later flights. On the second try, the streamer worked perfectly.
Given that these are minimum diameter BT-20 rockets, it seems odd that Estes would use a parachute instead of a
streamer. Many of Estes other kits of similar size, like the Hi-Flier, use a streamer. The sturdy plastic fin
cans can certainly stand up to the slightly harder landing, and there is less chance of the rocket drifting away on the
wind.
Flight Rating:
4
out of 5
Summary:
The X-Flyers are good beginner rockets that are easy to build yet attractive. They are among Alex's favorites.
Overall Rating:
4
out of 5 Flight Log| Date | Rocket Name | Motor(s) | Altitude | Notes |
|---|
| 2001-08-04 | Jerry Davis's Estes X-Fliers | C6-5 | - | How did we ever expect to find this one again? Went out of sight, to who knows where... | | 2002-05-15 | Ron McFerren's Estes X-Fliers | B6-4 | - | First flight for the yellow one. Went up fast and recovered on streamer. No damage. Haven't flown... | | 2003-03-16 | Donald Besaw's Estes X-Fliers | A8-3 | - | Nice first flight, streamer got rolled up in shock cord, rocket impacted on it's side. No major... | | 2003-03-30 | Donald Besaw's Estes X-Fliers | A8-3 | - | Nice flight, suffered some rebound damage at top of body | | 2003-04-11 | Colin Chase's Estes X-Fliers | A8-3 | - | High flight with small engine! Close recovery, fin broke upon landing, currently being repaired.... | | 2003-05-10 | Donald Besaw's Estes X-Fliers | A8-3 | - | Nice flight. Body tube got banged up some more. | | 2003-05-25 | Donald Besaw's Estes X-Fliers | A8-3 | - | Wind test. Nice flight. | | 2003-05-25 | Donald Besaw's Estes X-Fliers | B6-4 | - | Nice high flight. Landed within 50 feet of a parked school bus, no biggie. | | 2003-06-22 | Colin Chase's Estes X-Fliers | C6-7 | - | First flight after wing repair. Large engine, went out of sight. Never saw it land. Found rocket... | | 2003-07-21 | Donald Besaw's Estes X-Fliers | B6-4 | - | Nice high flight but not quite out of sight. Long recovery walk. No damage. | | 2003-08-10 | Donald Besaw's Estes X-Fliers | A8-3 | - | Good flight. Shock cord burned through, both parts recovered OK. No damage. | | 2004-01-02 | Paul Winder's Estes X-Fliers | C6-7 | - | Anglesey Rocket Club. Flight was Vertical. Max Altitude Approx 1000ft. Recovery Phase Commenced as... | | 2004-06-09 | Matt Gillard's Estes X-Fliers | A8-3 | - | Straight flight, parachute failed to open fully, slight crack to fin can. | | 2004-10-29 | Alex Jordan's Estes X-Fliers | A8-3 | 300 feet | Chutes ejected-but never opened...Rockets recovered without damage, great cheap motor for these... | | 2005-10-13 | Matt Gillard's Estes X-Fliers | B4-2 | - | Quick lift, straight flight, deployed chute, which failed to open. hardish landing, no damage. | | 2006-04-22 | Ben Johnson's Estes X-Fliers | C6-7 | - | it kept on going, though cloud and still kept going, did not see ejection just heard, nose cone... | | 2006-04-22 | Ben Johnson's Estes X-Fliers | B6-4 | - | went though the cloud | | 2006-05-04 | Ben Johnson's Estes X-Fliers | A8-3 | - | bottom half came detached from the nose cone and took a 2 inch core sample | | 2006-06-17 | Ben Johnson's Estes X-Fliers | B6-6 | - | after ejectoin charge the kevlar chord snapped, after which both parts returning to the ground.... | | 2007-03-25 | Mal McClenaghan's Estes X-Fliers | A8-3 | - | Nice flight. Recovery on 100cm x 3cm streamer. | | 2007-03-25 | Mal McClenaghan's Estes X-Fliers | A8-3 | - | Another nice flight. Good small field flier. | | 2007-06-02 | Dwayne Shmel's X-Fliers | C6-5 | - | Buh-Bye. | | 2007-06-21 | Dwayne Shmel's X-Fliers | B6-4 | - | Drag race with the sister x-Flyer that came in the 2 rocket kit. Looked like a tie. | | 2007-06-21 | Dwayne Shmel's X-Fliers | B6-4 | - | Drag race with the sister x-Flyer that came in the 2 rocket kit. Looked like a tie. |
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