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> What to do with an old 914 engine?, Perfect for summer
Big Len
post Aug 24 2020, 11:34 AM
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You gotta see this -

https://newyork.craigslist.org/que/pts/d/ma...7175449546.html
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rbzymek
post Aug 24 2020, 11:38 AM
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What could possibly go wrong?
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bdstone914
post Aug 24 2020, 11:40 AM
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QUOTE(Big Len @ Aug 24 2020, 10:34 AM) *

You gotta see this -

https://newyork.craigslist.org/que/pts/d/ma...7175449546.html


Looks like it will do a good job at circulating the exhaust gases and hot air from the engine. Safe enough with no guard.
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ctc911ctc
post Aug 24 2020, 11:41 AM
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I saw this over the weekend - Prop NOT included. (IMG:style_emoticons/default/confused24.gif)

What the heck was that thing cooling? (IMG:style_emoticons/default/confused24.gif)
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mb911
post Aug 24 2020, 11:53 AM
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QUOTE(ctc911ctc @ Aug 24 2020, 09:41 AM) *

I saw this over the weekend - Prop NOT included. (IMG:style_emoticons/default/confused24.gif)

What the heck was that thing cooling? (IMG:style_emoticons/default/confused24.gif)



Well his shop of course (IMG:style_emoticons/default/biggrin.gif)
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Frankvw
post Aug 24 2020, 11:58 AM
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the prop had to be buried in the desert since it has 5 liters of DNA on it from the guy that walked into it ? Sell off the rest of the evidence...done !
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ClayPerrine
post Aug 24 2020, 12:21 PM
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(IMG:style_emoticons/default/WTF.gif)

It's not even a 914 motor. Just a Type III VW engine. Look at the exhaust port locations.
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SirAndy
post Aug 24 2020, 12:53 PM
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QUOTE(ClayPerrine @ Aug 24 2020, 11:21 AM) *
It's not even a 914 motor. Just a Type III VW engine. Look at the exhaust port locations.

(IMG:style_emoticons/default/agree.gif)
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poorsche914
post Aug 24 2020, 01:01 PM
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May have been used on an airboat at some point? (IMG:style_emoticons/default/confused24.gif)

Many years ago, I rode in an airboat powered by a VW Type 1 engine.

(IMG:style_emoticons/default/driving.gif)
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fixer34
post Aug 24 2020, 01:28 PM
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Yep, that's a type 3 engine including the Solex carbs, so '67 or earlier.
Funny how he has a wire mesh around a 10" fan for the engine cooling and a 4 ft prop wide open...
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73-914
post Aug 24 2020, 01:51 PM
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Looks like Airboat engine to me also
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Nacho
post Aug 24 2020, 01:52 PM
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Actually these types of engines are popular for the home builder entry level airplane/gliders.

-Nacho
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ClayPerrine
post Aug 24 2020, 02:21 PM
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QUOTE(Nacho @ Aug 24 2020, 02:52 PM) *

Actually these types of engines are popular for the home builder entry level airplane/gliders.

-Nacho



With the way the prop is attached, I wouldn't even taxi down the runway with that engine. The thrust bearings in a VW motor are not designed with a propeller in mind. Remember, you are pulling all of the thrust created by the propeller against a magnesium engine case. Most home builders use a reduction unit of some kind, both to absorb the thrust load of the propeller and to lower the propeller speed to something that won't have the prop close to supersonic. 3K is about max speed for most fixed pitch propellers.

Looking at that picture, I guestimate the prop to have a 30 inch radius. So doing the math, the prop tips are moving at 536 mph at 3000 RPM. AT 5500 RPM (about redline in a VW pushrod engine), the prop tips would be at 767 mph, or Mach 1.2. It definitely needs a reduction drive to use it in an airplane.

Clay
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SO.O.C914er
post Aug 24 2020, 06:17 PM
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It just reeks of crazy (IMG:style_emoticons/default/WTF.gif) (IMG:style_emoticons/default/chair.gif)
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bkrantz
post Aug 24 2020, 07:58 PM
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Now that's air cooling.
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