Welding Spica I
Dear Rocket Fans, Last Sunday it was finally time for our home-built long-seam welder to show its worth. The propellant tanks for Spica I had to be welded. Prior to this, of course, a lot Read more…
Injector soldering
Dear rocket fans, As you probably remember, we decided to test coaxial swirlers in our BPM5 engine before making a full BPM100 injector. There are two main reasons for this. First, we would like to Read more…
1st swirler data
Dear Rocket Friends, After a bit of getting ready we are now in the process of measuring how our nice little swirlers are performing. As you may remember, we got them milled at PH Spaanteknik Read more…
Spica tanks
Dear rocket fans, It is a great pleasure to tell you that we have just ordered materials for the first Spica rocket! Specifically, it is materials for the first Spica rocket propellant tanks that we Read more…
It swirls!
Dear rocket fans, We spent quite a bit of time preparing to solder the first brass swirlers. The idea was to solder them in vacuum. For that we made a nice little stainless steel chamber Read more…
The nitrogen evaporator
Dear readers, Not long ago we received a nice item from PH Spaanteknik which has once again helped us with some CNC machining. Jakob has spent a lot of hours this time and we are very grateful. So, Read more…
Swirlers from Jutland
Dear readers, As you know, we have decided to test the swirl injector concept for BPM100 in a BPM5 scale. We believe it increases the likelihood of landing a good BPM100 design and avoiding an Read more…
BPM-5 with swirlers ?
Dear readers, The first 100 days in the BPM-100 project has come and gone. And no, unfortunately we haven’t got a working engine here in the workshop. We’ve decided to be a little more thorough Read more…
Swirlers
As you probably remember, our BPM5 engine uses a relatively simple injector technology. Simple in the way that it is a cylindrical disc with a whole lot of holes in which leads fuel and LOX Read more…
BPM100 status
It is about time with an update on the BPM100 engine. Let’s start by looking at the dimensions and engine specifications. First, as the name indicates it will be a 100 kN engine. But 100 Read more…
