Saturday, July 22, 2023

(BAR-18) The Helix

The Helix: A Scratch Build / Scratch Design Rocket. Dual 29mm Tractor Motors, Single C/L Mounted Launch Lug, Helical Fins and Rear Eject.

First Launch: Pending
























Tuesday, July 18, 2023

(BAR-17) SPAD XIII "Ace"

Launch Report: SPAD XIII Ace


Date: 2025-05-08

Background
This is a single stage scratch design / built rocket. It is similar in shape to an Estes Der Red Max, but is made to look like Eddie Rickenbackers SPAD XIII.​

The rocket has a Payload Bay which feature an Altimeter Storage Bay.​

This flight included an Altimeter Two.​

This is a rear eject rocket that utilizes a spool.​

On Site Preparations
For a parachute I used a 24” Nylon chute.​

An igniter was installed in the motor and secured via a rubber band.​

The rocket was slid onto the 5/16" launch rod and the controller wires were attached to the igniter leads.​

The site was clear and no outside observers were present.​

Launch
Wind was out of the West / Southwest and was about 4 mph.​

The Aerotech G74-4 motor ignited and the rocket leaped off the pad.​

It flew stable upward to apogee (696 ft), the parachute deployed and the rocket slowly came back to Earth.​

During the coast phase you could hear the rocket slicing through the air.​

The rocket landed 295 feet from the launch pad, to the West.​

Altimeter Data
Altitude: 696 Feet, Top Speed: 181 mph, Thrust Time: 1.18 Sec., Peak Accel: 8.2 G’s​

Average Accel: 7.0 Sec., Coast to Apogee: 5.7 Sec., Apogee to Ejection: 0 Sec.​

Ejection Altitude: 696 Feet, Decent Rate: 18 mph, Flight Duration: 32.8 Sec.​

Condition of rocket after the flight
​No damage to the SPAD XIII Ace.​

Conclusions
The rocket was stable.​

The delay was spot on.​

What I learned
This was a spectacular flight.​

The photos and launch video reflected this flight accurately.​

The sound of the rocket coasting was truly amazing. Not sure if it's the 1/4" plywood fins or the (3) 1/4" holes for the altimeter... but it was 5.7 seconds of coolness.​
 

 




 

 Built to defend the Republic from the dreaded Der Red Max. 29mm Power, Rear Eject Spool, Payload Bay, Altimeter Stows In Nose Cone.

First Flight: Pending