Extreme Speed Prop Planes Discuss the need for speed with fast prop planes (Screamin Demon, Diamond Dust, Shrikes or any REAL sound breakin'''' plane)

BVM 15 speed model

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Old 09-02-2006, 10:51 AM
  #1  
f3d
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Default BVM 15 speed model

Hallo speedfreaks,

here some pictures of the 15 ccm BVM speed modell.
Span 120 cm. weight 2300 gramm, Prop 7,8 x 12,5 23 500 U/ min on the ground.

Fast !!!


Best regards Michael
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Old 09-02-2006, 11:19 AM
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rmenke
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Default RE: BVM 15 speed model

Guys:

Now THATS WHAT I BEEN TALKING ABOUT!!. Very very nice. I don't recognise the engine. So bueatiful and it has to land on its bottom. Would make 1-2 flights at our field as its so rough, but may be worth it? See ya, gonna convert all that metric stuff so I can relate. Thanks so much for sharing, got my blood flowing this morning. ENJOY
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Old 09-02-2006, 11:40 AM
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SPEED JUNKIE
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Default RE: BVM 15 speed model

That is one SWEET Ride![sm=thumbs_up.gif][sm=thumbs_up.gif][sm=teeth_smile.gif]
How fast have you clocked her?
Is that your own designed airframe?
I'll take two please![sm=tongue_smile.gif][sm=wink_smile.gif]
SJ
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Old 09-02-2006, 01:38 PM
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Default RE: BVM 15 speed model

Wow, that thing will give my Firebird XL a run for its money

As Speed asked, how fast is it in level flight and I take it you are planning to go to the German Speed Cup with it?
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Old 09-02-2006, 06:01 PM
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Default RE: BVM 15 speed model

Michael,
Where did you get those drive washers and that spinner? Are they available to the "general public"?
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Old 09-03-2006, 01:28 AM
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f3d
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Default RE: BVM 15 speed model

Hallo Rudeboy,

the spinner is selfmade special for this modell.
Also inside the engine the piston, cylinder and the rod is not orginal it is also selfmade and better.
The piston material is from the MB 40 pylon engine from Rob Methkemeijer.
Also the head design is complete different to the orginal. The combustion ration is now 14,5 :1 .

Now is the engine a real monster and can reaf up to 30 000 U/min with no problem.
But still some work to do on the pipe.

Best regards Michael
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Old 09-03-2006, 09:33 AM
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Default RE: BVM 15 speed model

what type of tank( is it a bladder tank?) and what is it's capacity ..plane looks very fast... those BVM engines are expensive to .not to mention the modification you have added..very nice indeed ..hope you do well at the speed cup f3d!
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Old 09-03-2006, 10:33 AM
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Default RE: BVM 15 speed model

So who builds this plane?. Is it a kit?
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Old 09-03-2006, 11:54 AM
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Default RE: BVM 15 speed model

Hallo Have blue,

Cyclic Hardover I built the plane from a German kitt.

yes it is a tettra bladder tank. I Use mostly the 240 ccm type. Sometimes I use only the bladder and make the rest myself, to fitt in a tight fuselage.

To run the engine without a bladder tank is imposible because the fuel starts foaming and you can not find the right needle position.

For the speedplanes there a some producers in Germany where you can buy a " kitt".
GFK fuselage and balsa sheeted wings. All the rest is up to you. No maual no instructions....

Best regards Michael
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Old 09-07-2006, 06:57 PM
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Logan X
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Default RE: BVM 15 speed model

Exists any site where i can find this kit any or something similar?
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Old 09-23-2007, 09:45 PM
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cncswiss1
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Default RE: BVM 15 speed model

digging up an old a thread on one awesome plane!... I just got my hands on a bvm 91, where can the kit (frp fuse and sheeted wing) be found?
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Old 09-24-2007, 08:36 AM
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Default RE: BVM 15 speed model

Good Luck, I tried and appears they are only in Europe
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Old 09-24-2007, 09:11 AM
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Default RE: BVM 15 speed model

Build your own
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Old 09-24-2007, 09:51 AM
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Default RE: BVM 15 speed model

I thought about stretching a formula 40 bird... hmm
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