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Picco P-zero 0.8cc

Old 01-20-2009, 02:18 PM
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gkamysz
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Default Picco P-zero 0.8cc

These are pics of the Picco P-zero. It looks nice, machined to the quality one would expect from Picco.
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Old 01-20-2009, 02:35 PM
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forsakenrider
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Default RE: Picco P-zero 0.8cc

Thanks for that. So 3 large ports plus an exhaust? I think I will have to pic one up.
Old 01-20-2009, 02:44 PM
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Default RE: Picco P-zero 0.8cc

What's it going to take to put a prop on?
Old 01-20-2009, 02:58 PM
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gkamysz
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Default RE: Picco P-zero 0.8cc

It needs a drive washer with collet and a suitable prop nut/spinner. The shaft is short so it might be tough. Depends on how it's done. I'm going to make that and a new head and probably a venturi for testing.
Old 01-20-2009, 03:27 PM
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Default RE: Picco P-zero 0.8cc

I've never had much luck trying to match stuff up from brand to brand. I wonder if any of the C/L speed flyers have tackled this already with Toki or GZ parts?

The big hole in APC props does allow for more reach.
Old 01-20-2009, 05:30 PM
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Default RE: Picco P-zero 0.8cc

Hello all,

Where do you get these?

Thanks,

Honker1
Old 01-20-2009, 08:16 PM
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Default RE: Picco P-zero 0.8cc

I think I need one of these
[link]http://www.youtube.com/watch?v=Zep87QaadWM[/link]
Old 01-20-2009, 09:42 PM
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forsakenrider
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Default RE: Picco P-zero 0.8cc

The picco engine is an upgrade for that car. But you can get them on the inter net or the bay. just search!
Old 01-20-2009, 10:10 PM
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Default RE: Picco P-zero 0.8cc


ORIGINAL: newtech

I think I need one of these
[link]http://www.youtube.com/watch?v=Zep87QaadWM[/link]
At about 1:20, on the brief fast squirt on the pavement, it was moving away at whatever speed that was (~ 25 mph?) and sounded close to concert Eb, which puts the rpm at 37,300-39,000. So flat out I bet it gets into the low 40k's with little trouble. For aerobatics a well clipped 5.5-2 ought to pull hard. For speed I wonder what we could use. I'd start by clipping an MA 5.5-4.5 (because I have some) to what, 4.5" or so to start? Beats me..

It will be fun to convert one. Could one trim a few thou from the base of the cylinder and shim the head to tame it a bit for 30k-ish use?

MJD
Old 01-21-2009, 01:08 AM
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g-rock
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Default RE: Picco P-zero 0.8cc

Check out http://www3.towerhobbies.com/cgi-bin...?&I=LXNAE5&P=0
Gene
Old 01-23-2009, 12:03 PM
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gkamysz
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Default RE: Picco P-zero 0.8cc

So, I have a CS .049 Speed engine apart on my desk(been there for a long time). The spinner collet and backplate fit the Picco. The spinner nose threads on to the crank, but the crank is too short for the existing spinner nose. A nut might be able to catch a prop. I might be able to run it without making a collet and drive washer. The liner-piston-rod assemblies even fit in each others crankcase, but they are slightly different. Bore and stroke are not the same. The crank journal diameter of the Picco is smaller than the CS. The crank passage is 4.7mm in the Picco, 5.7mm in the CS, and Norvel .061 is ~5.4. Maybe next week. I'll try running it, but it's supposed to be pretty cold.
Old 01-23-2009, 12:14 PM
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Default RE: Picco P-zero 0.8cc

That's good news about being able to adapt existing parts. If there's a will, there's a way!
Old 01-23-2009, 04:01 PM
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Default RE: Picco P-zero 0.8cc


ORIGINAL: combatpigg

That's good news about being able to adapt existing parts. If there's a will, there's a way!
One thing seems evident to me from the picture - he's not likely to break the rod. Mind you, that old axiom above can work both ways..!

MJD
Old 01-23-2009, 04:40 PM
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Default RE: Picco P-zero 0.8cc

If the crank is soft enough inside, you might be able to tap into it, then just use a screw like the TD does. Looks like a short run for inside threads though. This is not where a hollow crank is to the advantage.

Wish there was more of a nose on it. That carb extends way past the front of the case. Another tease of what would be a good engine to use past it's engineering for cars. I've been watching for something to convert to marine use with a machined water jacket head, and room for a dished back flywheel. They need to make it more generic or universal in that respect.

It looks like a good, high winding motor otherwise.
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Old 01-23-2009, 05:57 PM
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Default RE: Picco P-zero 0.8cc


ORIGINAL: jetpack

If the crank is soft enough inside, you might be able to tap into it, then just use a screw like the TD does. Looks like a short run for inside threads though. This is not where a hollow crank is to the advantage.

Wish there was more of a nose on it. That carb extends way past the front of the case. Another tease of what would be a good engine to use past it's engineering for cars. I've been watching for something to convert to marine use with a machined water jacket head, and room for a dished back flywheel. They need to make it more generic or universal in that respect.

It looks like a good, high winding motor otherwise.
If you don't mind a longish nosed engine, then what about an alumimum extension that threads to the crankshaft/collet ass'y, with a stud ahead? I don't think it would end up too crazy long, would it?

What size is that crank stud?
Old 01-31-2009, 11:45 PM
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AndyW
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Default RE: Picco P-zero 0.8cc

I'd be inclined to stuff the piston, rod and liner into a Norvel. Where can you get those parts?

Old 02-01-2009, 09:26 AM
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cncswiss1
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Default RE: Picco P-zero 0.8cc

just machine a hub and nut assembly that has an ID threaded tube attached to the nut that goes thru the prop and inside of the hub. similar to the profi .15 combat motors.
Old 02-01-2009, 12:16 PM
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Default RE: Picco P-zero 0.8cc


ORIGINAL: AndyW

I'd be inclined to stuff the piston, rod and liner into a Norvel. Where can you get those parts?

Andy, this is a $200 engine and parts will be priced accordingly. There is a US distributor. www.ofna.com Better to buy a complete engine off thebay.


ORIGINAL: cncswiss1

just machine a hub and nut assembly that has an ID threaded tube attached to the nut that goes thru the prop and inside of the hub. similar to the profi .15 combat motors.
That's the plan.
Old 02-01-2009, 09:55 PM
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DeviousDave
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Default RE: Picco P-zero 0.8cc

I'm wondering if this motor would be a good starting point for a 1/2A helicopter.... There is a company selling rip-off's (good ones) of the TRex for (gasp) $35!
Old 02-01-2009, 11:00 PM
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Default RE: Picco P-zero 0.8cc

Greg,

Please. ..gasp.. [sm=52_52.gif] .. I am going to soil myself in spectacular fashion if I don't soon see something posted that says "I ran it!!! Holy crap, whee!!" or even just "It runs, but what the f-?" or whatever...

Please... when are you going to run it?...

MJD
Old 02-01-2009, 11:11 PM
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Default RE: Picco P-zero 0.8cc

Maybe this week. I have to make the parts first, and there are other projects waiting for machine time in the basement. The parts shouldn't take long to make though.
Old 02-01-2009, 11:39 PM
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Default RE: Picco P-zero 0.8cc

Ahhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh......... thank you..


Seriously now, I am looking forward to hearing the news! Converting one of these little dentist drills for AC use has been on my mind off and on for a while. I had to take a break from eBay for a few weeks (pronounced "for-ev-er" in wife language) so I have stopped ogling them for the time being. The OPS .15 I scored just prior to my house arrest and subsequent sentencing can probably safely be treated with about the same casual disregard for over-revving - the conrod looks like it came straight out of a car engine.

MJD
Old 02-02-2009, 10:13 AM
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Default RE: Picco P-zero 0.8cc

Yeah, I told my wife I'd take a break from thebay during my house arrest too. I have many projects going though. This one is up there. The biggest problem is the carb location. It's very close to the front of the engine and I might only be able to run it with a venturi. It's supposed to break freezing Thursday, so I'm going to try for that.
Old 02-02-2009, 10:53 PM
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Default RE: Picco P-zero 0.8cc


ORIGINAL: DeviousDave

I'm wondering if this motor would be a good starting point for a 1/2A helicopter.... There is a company selling rip-off's (good ones) of the TRex for (gasp) $35!
A Litemachines Norvel would do the trick, I think. T-Rex and clones are far smaller and lighter than the original LiteMachines heli.
Old 02-03-2009, 12:18 PM
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Default RE: Picco P-zero 0.8cc


ORIGINAL: AndyW

I'd be inclined to stuff the piston, rod and liner into a Norvel. Where can you get those parts?


do a search on ebay for sportwerks and you will find and engine the same size as the Picco Zero. In fact it looks a lot the same but it is not in the same class as the Picco. You will also find a seller who sells the Picco Zero for about $40 US. I have two of them waiting to be tinkered with but at the moment a down the list a bit. I am thinking perhaps maybe setting one up for 1/2a proto profile speed - should at least be in the same league as the commonly used CS 049's.

cheers, Graham near Ottawa Canada

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