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ASP 15 diesel

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Old 11-11-2012, 04:42 PM
  #26
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Default RE: ASP 15 diesel

will try and get a run on the 12 ASP series A in the next few days will use the Black MAS 8x5 with only 0.03 cubic inchs less do not expect to see a big difference in RPMs


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Old 11-11-2012, 06:23 PM
  #27
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Default RE: ASP 15 diesel

Ray is that the push/pull compression screw setup???? martin
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Old 11-11-2012, 06:45 PM
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Default RE: ASP 15 diesel


Quote:
ORIGINAL: AMB

Ray is that the push/pull compression screw setup???? martin

Martin,

yes it's just a standard Parra 15 Diesel push/pull head from Alberto for about 15 Euros.

Bob and myself have been using them on a few other racing glows to convert them to diesel.

Ray
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Old 11-11-2012, 06:52 PM
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Default RE: ASP 15 diesel

at about $20 a bargain martin
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Old 11-18-2012, 05:06 PM
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Default RE: ASP 15 diesel

Well the ASP 15 diesel conversion with the Parra 15 push/pull head did run rather well.

On the APC 7 x 6 test prop it turned an honest best of around 16800 rpm, not spectacular compared with say a Parra 15D or a Fora 15D but good.

In contrast another ASP 15 in glow format same prop, and venturi hole diameter and on 10% nitro turned 15500 rpm.

The latter had a homemade piston with a high Silicon content alloy and it was sagging as it warmed up so it's not really a fair comparison.

Pics follow.


Ray




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Old 11-18-2012, 05:19 PM
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Default RE: ASP 15 diesel

very good numbers I say will try the same prop 7X6 on the 12 diesel of course
martin

this also the early series A maybe apples and oranges but will see how close on the revs my guess 2-2.5K less
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Old 11-18-2012, 06:12 PM
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Default RE: ASP 15 diesel

'ow big's the 'ole then Ray?

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Old 11-18-2012, 06:39 PM
  #33
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Default RE: ASP 15 diesel

well put on the mount in the garage just now found a 7x6 wood zinger just for kicks a few drops down the carb a couple of flicks whack whack on the finger nail prop quicker than me
so used the chicken stick same thing it gets the sullivan 1/2A starter in the morning martin

well setup ready to give it a shot in the AM (no room for muffler)
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Old 11-18-2012, 07:31 PM
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Default RE: ASP 15 diesel


Quote:
ORIGINAL: ffkiwi

'ow big's the 'ole then Ray?

ffkiwi
Chris,

The hole's are both 4 mm.

Ray
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Old 11-18-2012, 08:18 PM
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Default RE: ASP 15 diesel

And tangential feed from the look of it...........now that I've sent fiery his 4mm thread spinner for the Elfin 149, I should turn my hand to making a few venturis...........does Alberto Parra have a website-I should invest in a couple of those heads............

ChrisM
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Old 11-18-2012, 08:39 PM
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Default RE: ASP 15 diesel

Quote:
ORIGINAL: ffkiwi

And tangential feed from the look of it...........now that I've sent fiery his 4mm thread spinner for the Elfin 149, I should turn my hand to making a few venturis...........does Alberto Parra have a website-I should invest in a couple of those heads............

ChrisM
'ffkiwi'

Sure does!

http://www.clubtamaran.com/material.htm

Or:
http://www.clubtamaran.com/PRECIOS%2...5%20INGLES.pdf

For spares price list.

Ray
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