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Deezil model Engines (again)

Old 10-04-2014, 09:58 PM
  #51  
fiery
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The GB Deezil replica shown above has been run.

Fits are excellent. Silky piston/liner. The bottom end incredibly smooth and free, yet no oil weeps from the front of the bearing. Contra-piston fit is perfect. Gas tight, but jumps up readily when running if compression is wound back. When turned over slowly with a propeller fitted, the piston falls to BDC under its own weight. It feels extremely free but I doubt this one has a roller bearing, which some of the GB Deezil replica's were reputed to feature.
.
It starts first or second flick after one choked turn; very like a good Mills 1.3. Every time. Even if under compressed. Manners are impeccable.

Props selected and shown below are a Kavan "FK" blue nylon 10 x 4; and an ancient Berkeley (?) "Air-O-Stunt" 10 x 4 'paddle prop'.

The Kavan was turned at about 6,300 RPM. A couple of hundred lower for the Air-O-Stunt.

In summary this is a first class "olde time" 2 c.c. side port. One can only wonder if the owners of GHC really knew what they had with the design.
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Last edited by fiery; 10-06-2014 at 11:38 PM.
Old 10-04-2014, 10:07 PM
  #52  
Recycled Flyer
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Derek,
what is your opinion of that test stand?
I have the mount section but not the tank part and was wondering if the tank bit is worthwhile chasing.

Thanks.

P.S. Love that wooden paddle you have in pics 3 and 4!
Old 10-04-2014, 11:38 PM
  #53  
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Test stand is great. Available from a vendor who lists on the UK well known auction site.

I love the looks of the Air-O-stunt prop so much, I ran it.

https://www.youtube.com/watch?v=2xhz...ature=youtu.be

Last edited by fiery; 10-04-2014 at 11:55 PM.
Old 10-06-2014, 03:35 PM
  #54  
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Wonderful engine. Mines in this.
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Old 10-06-2014, 03:36 PM
  #55  
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Originally Posted by fiery
Test stand is great. Available from a vendor who lists on the UK well known auction site.
Thanks, on the strength of that I just purchased the tank section.
Old 10-06-2014, 03:37 PM
  #56  
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Who knows what it is?
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Old 10-06-2014, 09:32 PM
  #57  
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Comet Interceptor...?

ChrisM
'ffkiwi'
Old 10-07-2014, 12:11 AM
  #58  
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Originally Posted by ffkiwi
Comet Interceptor...?

ChrisM
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Your the winner.
Old 10-07-2014, 12:46 AM
  #59  
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That tiny fin and the subfins along with the semi circular wingtip combination is quite diagnostic.......and besides...I have a sub 4oz 020 replica 31" span version-which is haiirrryyy......! .what size is your one Howard?

CJM

Last edited by ffkiwi; 10-07-2014 at 12:48 AM.
Old 10-07-2014, 01:19 PM
  #60  
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Originally Posted by ffkiwi
That tiny fin and the subfins along with the semi circular wingtip combination is quite diagnostic.......and besides...I have a sub 4oz 020 replica 31" span version-which is haiirrryyy......! .what size is your one Howard?

CJM
It's a the 48in version Chris, and flies quite well. Got the plan from Pondy in 1976 that shows both 42 and 48 span wings.
Originally in 1977 I built 48 size with a sparky O&R 23 in it, that flew but when it arrived was the problem. Very heavy and it got damaged.
Fixed it up and put a Green Head 15 in it, and that was a good combination until it DTd onto a barb wire fence and demolished it.
This above one is using a couple of bits of the original and I stuck the DEEZIL into it as more or less a fun flier, and that it is. As said, it goes okay and is quite stable.
Old 10-07-2014, 01:32 PM
  #61  
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Originally Posted by gossie
Who knows what it is?
Well to be fair the type attached to the photo does say "Interceptor 48in Deezil power."
Old 10-07-2014, 02:35 PM
  #62  
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Originally Posted by Recycled Flyer
Well to be fair the type attached to the photo does say "Interceptor 48in Deezil power."
Good spotting.
Old 05-29-2015, 05:19 PM
  #63  
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Here is one of my Deezil engines. This one is a CS, I also have a couple of Burfords and many original ones, some of which have been rebuilt with new cylinders and pistons so they actually run. This CS engine uses a self-machined inlet and OS .10 carb. It turns out to be an excellent R/C engine, very responsive.
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