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Page 15 of 15 1 2 13 14 15
Joined: Apr 2015
Posts: 715
Likes: 1
seanw
i have been reading this thread for a couple of days and it is quite interesting.
so
i have a question
what makes an auto/predicta and auto/predicta
have found a few things out
made in 1957
comes with front and rear flaps
has 4x spring side skirt bolts
smiley choke control
plastic throttle control
engine no 116 750, 0. the other one is216 506 1
clear plastic fuel cap, painted avo green
red tickler on the carby
[Linked Image]
sorry if this is construed as trying to revive an old thread.
but it is
any info would be great
sorry jack
ha


motorwannabe
Portal Box 6
Joined: Feb 2021
Posts: 419
Likes: 36
2-stroke mower addict!
Originally Posted by Deejay
Hi Jack and all members,
Thanks Jack for your contribution to this archive....
[Linked Image]
This photo of the factory shot from the 70's is interesting as it depicts what appears to be a timeline of Victa mowers each with its own significance...What I find unusual is the absence of the Model 4 Automatic (Predicta) which was a significant (but flawed) design of the times..... wink
cheers2
Wow, that must have been a prototype Mustang with a prototype G4 carby from the looks of the throttle and airfilter assembly on the mower in the far left. Unless this was taken in 75 or later. The only thing that gives it away is the fact that the throttle body on the handelbars has controls built into the airfilter assembly and it had the, to me, the correct shape for the G4 Throttle controller from 75-77.

I know it's a black and white picture but the shades look way to dark on the mustang compared to the others and leaves me thinking they were still at the point of using the darker green VC colour paint.

Joined: Sep 2015
Posts: 2,590
Likes: 210
SENIOR TECHNICIAN & HISTORIAN
Originally Posted by seanw
i have been reading this thread for a couple of days and it is quite interesting.
so
i have a question
what makes an auto/predicta and auto/predicta

Hi Sean,

The Victa 18 Auto is just automatic throttle control ,the front and rear flap control the throttle speed there
is no manual throttle control lever on the handle bars.

It was supposed to work like a governor to automatically maintain the rotary speed of an engine ,the longer
the grass was the flap controls moved more, pulling on the cables to increase the engine RPM but this system
was a flop ,didn't work very well so Victa went back to a manual throttle controller on the handle bars.

Auto http://www.vintagemowers.net/Victa_Automatic.php

Different people have different ideas on engine numbers for an automatic .

Cheers
Max

Joined: Feb 2021
Posts: 419
Likes: 36
2-stroke mower addict!
Originally Posted by maxwestern
Originally Posted by seanw
i have been reading this thread for a couple of days and it is quite interesting.
so
i have a question
what makes an auto/predicta and auto/predicta

Hi Sean,

The Victa 18 Auto is just automatic throttle control ,the front and rear flap control the throttle speed there
is no manual throttle control lever on the handle bars.

It was supposed to work like a governor to automatically maintain the rotary speed of an engine ,the longer
the grass was the flap controls moved more, pulling on the cables to increase the engine RPM but this system
was a flop ,didn't work very well so Victa went back to a manual throttle controller on the handle bars.

Auto http://www.vintagemowers.net/Victa_Automatic.php

Different people have different ideas on engine numbers for an automatic .

Cheers
Max
Hey Max I think you might have thought this was me asking the above question. Even tho it isn't me, I'm loving the links and reading the thread myself 🙂

Joined: Sep 2015
Posts: 2,590
Likes: 210
SENIOR TECHNICIAN & HISTORIAN
Hi Sean

Yes I had a fair idea that you knew how the Auto worked ,I should have said as we know ,
The Victa 18 Auto is just automatic throttle control ,the front and rear flap control the throttle speed there
is no manual throttle control lever on the handle bars.

I was just filling in a few blanks in your list ,that's why I put the link in .

* Victa 3.6hp 125cc Engine
* Predicta setup.
* 2 safety Rims (side skirts).
* First Victa to utilize the Alloy base.
* Alloy badge between handle bars.
* Automatic rewind starter with green Knob.
* Green plastic fuel cap.(hammertone green)
* Cigar shaped fuel tap.
* Large handle bar adjusting bolts.
* Edger assembly cover with retaining nuts.
* 2 throttle cables.

Cheers
Max.

1 member likes this: Seanoss
Joined: Feb 2021
Posts: 419
Likes: 36
2-stroke mower addict!
The 2 throttle cables also entered the carby through 2 separate inlets in the same cap. I did heaps of reading up on them to make sure I don't miss out on something when or if I am put in an on the spot position and can't ask.....

Thanks for all of the information too!!! Never stop learning

Picking up my cortina 2 tomorrow morning 😃

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Last edited by Seanoss; 23/06/21 07:45 PM.
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