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Search: Posts Made By: Edelweiss-Motorsport
Forum: Airheads 06-30-2014, 03:38 AM
Replies: 158
Views: 13,236
The carb question...

Dear Adrian,

First of all - this carb is big !

Just to give you something to compare - our big bore / longstroke engines 1200 plus ccm are pulling approx 130 hp and we use Keihin 41,5 mm flat...
Forum: Airheads 06-28-2014, 02:57 AM
Replies: 158
Views: 13,236
Carbs

Dear Adrian,

nice carbs !

Worked with Lectrons now and then - always with good results.

What they don't like on a full spec race engine is any kind of filter and / or air box setup. They...
Forum: Airheads 06-06-2014, 10:16 AM
Replies: 6,048
Views: 1,214,228
Bikes and parts

Dear Sirs,

Airheads bikes and parts - lots of pictures and material to be found here:

de-de.facebook.com/edelweissmotorsport

Have fun and a nice weekend !

Dirk
Forum: Airheads 06-05-2014, 11:18 AM
Replies: 158
Views: 13,236
to push a rod

By using aluminium you are on the right way !

We tried:

Steel

Carbon fibre

Metal matrix ceramic
Forum: Airheads 06-05-2014, 06:51 AM
Replies: 11
Views: 938
crank collection

Dear Sirs,

pictures are online now - just to let you know...

de-de.facebook.com/edelweissmotorsport

Best reg.

Dirk
Forum: Airheads 06-04-2014, 11:37 PM
Replies: 11
Views: 938
Stroker Cranks

Dear Caddy,

yes we have some longstroke cranks available: if you look on our Facebook page you will find some pictures later today:

de-de.facebook.com/edelweissmotorsport

Best reg,

Dirk
Forum: Airheads 06-04-2014, 11:46 AM
Replies: 158
Views: 13,236
Stiffness rules !

Dear Adrian,

jepp I know all this parts very good - but this is a different story...

However take care about your pushrods and get them first of all stiff then maybe also light !

Very nice...
Forum: Airheads 06-04-2014, 11:26 AM
Replies: 11
Views: 938
Counter weight

Dear Sirs,

Leave the weight where it is - the boxer likes some overbalancing.

There is nothing to gain with a lighten crank - if we machine them we weld them weights back afterwards.

Even...
Forum: Airheads 05-17-2014, 01:34 PM
Replies: 158
Views: 13,236
Cam

Dear Adrian,

good cam choice !

The cam influences the pre ignition / pinging tendence a lot.

With this cam and a good squish 12,5:1 on pump gas is no problem !

What rpm level are you...
Forum: Airheads 05-16-2014, 01:25 PM
Replies: 146
Views: 8,226
El Shitatrio

Hnasty - we salute you !

Here around Edelweiss Motorsport we have a community where we distributed your link - what a fun !

So much response - just great...

" BMW gave these retards a brand...
Forum: Airheads 05-16-2014, 04:08 AM
Replies: 146
Views: 8,226
So cool so real....

Hey folks,

i came across a great link - it speaks so much for me and what I think of all this wannabe's !

Take a little time and enjoy this: http://hipsterbikevideos.com

Best reg from...
Forum: Airheads 05-15-2014, 01:23 AM
Replies: 6,048
Views: 1,214,228
Cafemoto meets Edelweiss Motorsport

Have a look here:

https://www.facebook.com/edelweissmotorsport
Forum: Old's Cool 05-15-2014, 01:16 AM
Replies: 7,097
Views: 3,225,406
Cafemoto at Edelweiss Motorsport

To be found here:

https://www.facebook.com/edelweissmotorsport

Best reg.

Dirk
Forum: Airheads 05-14-2014, 09:38 AM
Replies: 162
Views: 11,687
beauty and beast...

Yepp,

I came along some Alfa Romeo because a friend who is using my dyno now and then is into them very much.

So it came as it's always going, he motivated me to build a 1,6 l GTA race engine ...
Forum: Airheads 05-14-2014, 03:08 AM
Replies: 162
Views: 11,687
Combustion Chamber

Dear Sirs,

Sinse the BMW airhead is a very good hemi basis you have to look on it more like a lense / lemon shape with a very nice squish area.

A real good working bath tube needs some more...
Forum: Airheads 05-10-2014, 09:17 AM
Replies: 162
Views: 11,687
The bill

Dear Bill - yes I agree !

For me it is very good to see a project like this - much more interesting then discussing paint jobs or ire sizes.

But:

If in this case we would reduce the static...
Forum: Airheads 05-10-2014, 01:11 AM
Replies: 162
Views: 11,687
Recipe

Dear John,

Here comes the recipe for a low budget street / sport and race engine:

First if possible use the latest R 80 or R 100 heads with the D shaped exhaust port.

Avoid the old heads -...
Forum: Airheads 05-09-2014, 01:20 PM
Replies: 162
Views: 11,687
Design

Step back for a moment and try to analyze the case without any emotion.

You will see that two essential steps have been done the same time.

You have changed the shape and volume of the...
Forum: Airheads 05-08-2014, 11:56 AM
Replies: 162
Views: 11,687
combustion chamber modification

Dear Dewey,

It is good to see you working so enthusiastic on this task.

So it is maybe interesting for you to hear about what we did and what came out.

We have tried all possible variation...
Forum: Airheads 05-07-2014, 08:54 AM
Replies: 11
Views: 1,309
Pictures

As requested - more workshop moments...

https://www.facebook.com/edelweissmotorsport

Best reg

Dirk
Forum: Airheads 05-01-2014, 05:19 AM
Replies: 11
Views: 1,309
Edelweiß-Motorsport

Dear fellow airheads,

meanwhile we have generated some international interest from BMW enthusiast around the world.

Now, and to fulfil their wishes for pictures and product info, we are to be...
Forum: Airheads 08-29-2013, 01:43 PM
Replies: 5
Views: 741
Pussy Galore

Dear Kaput,

yes he tries so hard to look bad and dangerous that it is caricaturistic in the end.

I bet he is nice and cosy like a pussy cat.

But this is as fine with me as it is funny !
...
Forum: Airheads 08-28-2013, 09:10 PM
Replies: 5
Views: 741
Setcards

Dear Kaput,

Yes I found it very lustig !

Insbesondere das Böseguckerbild vom Marcus Walz...

Ganz und gar herrlich.

Best reg.
Forum: Airheads 08-28-2013, 04:43 AM
Replies: 5
Views: 741
Glemseck 101 international sprint

Dear folks - here you will find some funny pictures from the German cafe racer / sprint scene.

You will find some interesting airheads....
...
Forum: Airheads 08-26-2013, 11:04 AM
Replies: 82
Views: 10,733
Dirk

Dirk is not too common but now and then in the mid 60s people called their sons

Dirk and Jens...

No - I have not started this thread

Best reg

Dirk
Forum: Airheads 08-26-2013, 10:35 AM
Replies: 82
Views: 10,733
Deutsch

....just do not hesitate, I'm quite fluent in english...

Best reg.

Dirk
Forum: Airheads 08-26-2013, 02:08 AM
Replies: 82
Views: 10,733
Dear Sirs, I was thinking just to let you...

Dear Sirs,

I was thinking just to let you know:

we produce Krauser inspired frames since 10 years now. We build this frame under permission of Peter Zettelmeyer who even gave " his " private...
Forum: Airheads 03-08-2013, 04:11 AM
Replies: 179
Views: 10,436
Push up

Hi Plaka - yes you are so right !!!


Dirk
Forum: Airheads 03-08-2013, 02:55 AM
Replies: 179
Views: 10,436
Push it again

Hey Rudi my dear friend !

Yes this is right - it was a time when we where not able to generate the stiffness that we need from the aluminium versions.

So we where going with the chromo's taking...
Forum: Airheads 03-08-2013, 01:16 AM
Replies: 179
Views: 10,436
Push it

Dear Gentleman,

First of all please know that it is ok for me if anyone on this great earth is doing something better and / or cheaper then us at Edelweiss Motorsport.

I'm surrounded by...
Forum: Airheads 02-26-2013, 06:20 AM
Replies: 179
Views: 10,436
Div.

Dear all,

There is a lot of work in front of us currently so once in a while it will take a moment to answer.

Hans - my pleasure !

Pommie John - Yes this picture is very old and the push...
Forum: Airheads 02-24-2013, 07:43 AM
Replies: 179
Views: 10,436
Udo and his younger sister Helmut

Hi Rudi,

Yes you are right - I never had the chance to dyno Udo's engines and this is the reason why mention him explicit at this point.

The bikes where fast and yes you are right again power...
Forum: Airheads 02-24-2013, 05:42 AM
Replies: 179
Views: 10,436
Making a good thing better - and using the hot rod....

Sunday lunchtime sitting in front of the fire post,

RecycledRS - yes here you bring up one of the burning spots, as I was writing before: the clearance is one thing, shape and form makes the next...
Forum: Airheads 02-23-2013, 10:43 AM
Replies: 179
Views: 10,436
Wink Krautrock legends - and open your mind

Uff -

Reaction frequence is not too fast but since I have to find a little time writing useful answers it is not going better currently.

Voltaire - yes the heads are good and you should...
Forum: Airheads 02-22-2013, 02:00 PM
Replies: 179
Views: 10,436
Samcho Pansa

Hey all,

Here we go:

Rudi - Hey ho my dear friend - here all is upright and i hope it is the same for you !?

Charles - the 336 deg. BMW profile still is an OK cam but I would never use it in...
Forum: Airheads 02-22-2013, 04:32 AM
Replies: 179
Views: 10,436
What route to go on our ride to Agadir ?

Hi again dear Superschuft,

Ok got your point but this is the general question - are you looking for more static compression ? What for ?

You want to spend money on pistons ? What for ?

The R...
Forum: Airheads 02-21-2013, 03:08 PM
Replies: 179
Views: 10,436
Exhaust preference

Yes I have - if it comes to performance and torque numbers as well as in what ranges the engines picking up i would always say go for a 2 in 1.

Since I do this I have fabricated and tested approx...
Forum: Airheads 02-21-2013, 12:30 PM
Replies: 179
Views: 10,436
Conrod length

Dear Mr. Superschuft,

No - it is absolutely not what I'm doing with my 136,5 mm conrod !

How can I ? Singing the song of the perfect squishband all the time ?

Since I do not know if it was a...
Forum: Airheads 02-21-2013, 11:14 AM
Replies: 179
Views: 10,436
Cam profile EM2V1

Hi Charles,

the EM2V1 is our asymmetrical street / sport profile.

The developement started approx. 15 years ago when some HPN owners where looking for a performance boost and less pinging in...
Forum: Airheads 02-21-2013, 05:23 AM
Replies: 179
Views: 10,436
Squish band reloaded

Xxxxx?,

The squish makes the engine !

You should give much attention to this theme.

At the end best possible done it makes all gas which was sucked into the combustion chamber to be...
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