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Ich habe heute erneut bei der NAVRO, einen niederländischen Modellraketenverein über die Lage der Modellraketenbauer in Holland nachgefragt. Prompt bekam ich heute abend Antwort, die ich dem Forum nicht vorenthalten möchte.

Hello Mr. Lutz,

I'll introduce myself first: I am Pleun Punt, the webmaster of the NAVRO.
The NAVRO is one of the four Dutch rocketry organistions in the Netherlands,
but the only one which covers the full range of modelrockets, HPR and
amateur rocketry (also called experimental rocketry). I have build 25+
modelrockets, 1 real HPR rocket and helped building several amateur rockets.
The HPR one was launched today! A part from the NAVRO, their are DRRA (model
rocketry), Tripoli the Netherlands (HPR) and NERO (amateur rocketry).
I will now try to answer the question below, if I speak of us or our I mean
the NAVRO:

----- Original Message -----
From: "Harald Lutz" <Harald_der_Grosse@gmx.de>
To: <webmaster@navro.nl>
Sent: Friday, April 05, 2002 12:59 PM
Subject: Some questions about rocketry at Netherland (please answer soon)


> Ladies and gentlemen,
>
> as German model rocket builder
> (http://home.t-online.de/home/RMT.EB/raketen/lutz1/index.htm) I have got
several questions about rocketry in the
> Netherlands:
> 1. which are the strongest engines available in the Netherlands without a
> permission (in Germany it is D7 - 3. There is a limit of 20g gun powder
per
> engine. For stronger engines which are nearly not available you need a
license,
> called T2 - license. This license is also required for clustering engines
and
> multi - staging rockets)
PP: All types of modelrocketsmotors are availeble over here, up to D from
Estes, up to G from AeroTech. Also availeble are HPR motors from H onwards.
The Dutch amateurrocketgroups (NAVRO and NERO) have their own motor, we have
our own Kalitrox motors. Clustering and staging is no problem, unless you
break the altitude restrictions of the launch site.
I have heared of a German group which launched rockets with hot water a year
or five ago. Maybe the commercial American hybrid motors (like HyperTech)
are legal in Germany.
> 2. can I buy modell rocket engines as a tourist in the Netherlands?
PP: Yes you can, but it is illegal. The Estes motors are legally seen as
fireworks and thereby forbidden to be sold or to owned. You can get
permission for it. Some shop which sell model airplanes, tanks etc. (I don't
know the English word) also sell Estes rockets and models. Their is also a
very good webshop: http://www.cavemanrocketry.com/
> 3. may I launch as tourist modell rockets at the Netherlands? On which
> special laws I must pay my attention if I want to launch a model rcket in
Dutch?
PP:The best way is to contact the Dutch modelrocketgroup DRRA
(http://www.drra.nl/index_nl.html) and visit on of their launch days. You
could also contact local authorities and try to get a launch site and day
yourself. First you need approval of the owner of the site (for example the
farmer), you need permission of the air traffic authorities for use of the
airspace, you need permission the own and transport modelrocket motors,
local authorities need to approve and also local police and the fire
brigade. The airspace law is currently renewed and has special rocketry
attachment!, this is however processed by the governament, so meanwhile no
new permission are granted. The first option is easier I think. Also you
could launch a small number of modelrockets at our bigger rockets (HPR and
amateur) days.
> 4. what is the biggest rocket your club ever launched? What was the
greatest
> height a rocket of your club ever reached?
PP:The biggest I know of was a 13(!) Estes D12-5 cluster rocket called Ukkie
(see NAVRO website), which was 3,6 meters long. It was build like a
modelrocket but technicly it was a HPR rocket. It reached a shocking
altitude of 80 meters(guessed). I partipated a bit in this one and I am
participating in a 4m successor. The club altitude record is 3900 meters
with a amateurrocket called N13, thereby also breaking the sound barrier.
> 5. does your club own an own launch areal? If yes, where?
PP: We do not own a site as such, but we are twice a year guests at a
military artillery shooting range: ASK 't Harde near Zwolle, where we
orginise our big rocket launches. We did have had permission to fly
modelrocket from sportsfields and farms, but at these sites houses have been
build. When the airspace laws have been approved we will try to get a
modelrocket site again.
> 6. Which was the greatest height a rocket ever launched after World War II
> in the Netherlands ever reached? (In Germany these were the three stage
> rockets of the "Berthold - Seliger - Gesellschaft" launched 1963/1964 at
the area
> of Cuxhaven. They reached heights of more then 100 kilometres. Look at my
> articles about post - war rocketry in Germany
> on:
>
http://www.raketenmodellbau.org/showthread.php?s=c0497dc29d3e4316f7dc6eb2c3e7
5fb6&threadid=893
> and
>
http://www.raketenmodellbau.org/showthread.php?s=2033d7c16b2dbfb9877eefe775e6
2fa18&threadid=455
> (both in German language but very interesting!))
PP: The heigest altitude is either the ealier mention N13 or a amateur
rocket of the NERO.
Military rockets: V-2 have been launch from the Den Haag area. The Dutch
military have had Honest Johns and Nike Ajax and Hercules rockets, and today
they use Hawk and Patriots.
> 7. Were there ever ( civil) research rockets launched at the Netherlands
> (e.g. from the islands of North Dutch). If yes, which types?
> (For Germany you will find the answer in the upper mentioned articles!)
PP: I do not know much about Dutch Rocketry history, but what I do know I
will tell you. I know of small research rockets late in the fifties launched
mainly from Texel (the largest of the nothren islands), the obscure 1959
book which mentions this does not state altitude but I guess it not more
than 2 km. I think I have heared that later from the ESTEC (ESA's testing
agency) site rockets have been launched, this site is along the coast, north
of Den Haag. At this site also the Space Expo, an ESA related museum. At
this museum I have seen a Dutch probe (wrong word) rocket, which must have
reached atleast 80km, but I am not sure about this.
> 8. Did some professional societies ever develop rockets in the
Netherlands?
PP: There is own very large organisation.... The Misistry of Defence, but
apart of that non.
> 9. After 1964 rocket launches at the area of Cuxhaven were not allowed any
> more. In the "Herrmann - Oberth - Museum" in Feucht near Nuremburg was
told
> me, that after 1964 the "Herrmann - Oberth - Gesellschaft" and the
"Berthold -
> Seliger - Gesellschaft" went for launching into the Netherlands. Is this
> correct? Do you have more informations? Where were the rockets launched?
Which
> types were launched and which heights were reached?
PP: I was not aware of this, but they might have been at NERO launches (the
NAVRO is really active since 1991). For more information you could contact
NERO
(http://www.nerorockets.org).
>
> Yours sincerely,
>
> Harald Lutz
>
> --
> GMX - Die Kommunikationsplattform im Internet.
> http://www.gmx.net

I hope you find my answer usefull. I also forward this mail to the secretary
of the NARVO (you should have mailed it to him, info@navro.nl , as I am only
a humble webmaster), so he or other NAVRO members can complete my
information. If you have more questions feel free to ask me or the
info@navro.nl guy (he's called Kees-Jan Groenendijk if you want to be nice
to him).

Greetings,
Pleun Punt

Die ausführlichere Antwort kmmt noch: aber es wäre schon sehr erstaunlich, wenn einem in einem Land, in dem man Feuerwerksfabriken in Wohngebieten errichten darf und in den es sehr viele illegale Rundfunksender (die man manchmal nachts am oberen Ende des Mittelwellenbandes, also auf Frequenzen um ca. 1600 kHz, auch in Süddeutschland empfangen kann) gibt, große Schwierigkeiten beim Start von Modellraketen hätte!