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CMP 71 zero... super tigre g2300 ?

Old 12-11-2005, 09:53 AM
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foots7
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Default CMP 71 zero... super tigre g2300 ?

just wondering if the g-2300 is a good power plant for the cmp 71 zero.
would like a 4-stroke but this motor is a cheaper price.
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Old 12-11-2005, 02:42 PM
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HUMMERH3
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Default RE: CMP 71 zero... super tigre g2300 ?

I used the super tigre on my cmp 140 p40..in my opinion this is a great motor with plenty of power,my p40 had a 73 inch wing ...and it flys great I just sold it...she will be missed.
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Old 12-11-2005, 05:53 PM
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Default RE: CMP 71 zero... super tigre g2300 ?

The GSP Zero flies well with a 100 four stroke or 90 2 stroke (a bit more than scale like flight). If you use the ST it will be a rocket that can hover.

Carl
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Old 12-12-2005, 03:09 PM
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foots7
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Default RE: CMP 71 zero... super tigre g2300 ?

thanx it sounds like the super tigre is a bit too much....but the cost is good
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Old 12-12-2005, 03:25 PM
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Edwin
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Default RE: CMP 71 zero... super tigre g2300 ?

I'm putting the zero together right now (71"ws). All thats left is to mount the retracts and balance. Current weight is 11lbs 4oz. All equipment is mounted up by the CG or forward of it. I took the saito 120 off and put a saito 180 on. I'm figuring about 14 lbs by the time its balanced. Are ya'll talking about the small zero?
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Old 12-13-2005, 01:34 AM
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Default RE: CMP 71 zero... super tigre g2300 ?

Ahh, if you went smaller than the st 2300 you would just be adding more lead to the nose.
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Old 12-13-2005, 07:30 PM
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Default RE: CMP 71 zero... super tigre g2300 ?

Funny I just flew this combo last week. I decided to try out the ST 2300 on my Zero 71" that has originally a YS 120. Much to my dismay, the power was not any greater than the YS 120. The nice thing about this combo is that the engine is completely hidden when you mount inverted and use BCM inverted muffler. The muffler corner does stick out a little, but not bad. Also, I didn't add any lead weight, and it feels like the aft-end of acceptability.

And yes, with this power it can hover, and I've done it with YS 120. If you go with a Saito 100, it will fly, but you will need to stick another Saito 100 somewhere else in the cowl to balance the plane.
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Old 12-13-2005, 09:01 PM
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Default RE: CMP 71 zero... super tigre g2300 ?

Sorry a bit off topic:

Can this CMP 71 zero take G26? Any input?
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Old 12-13-2005, 09:39 PM
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Default RE: CMP 71 zero... super tigre g2300 ?

The one I had [:@] balanced at 145mm or so with a Laser 120 or OS 108. I added just a tad of lead to the front. It flew very well and was very over powered with the 108 for scale like power. If you want a hovering rocket just put a big motor in it, its not required to fly well though. I think mine was about 11 lbs. with retracts and flaps.

Have FUN

Carl
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Old 12-14-2005, 02:11 AM
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Default RE: CMP 71 zero... super tigre g2300 ?

I put the Saito 180 in the nose of my CMP 72" zero and still had to put 6 oz of lead in the nose to balance. Saito 180 can swing a big prop to clear that giant cowl. I don't see how a saito 100 can swing a big enough prop to clear the cowl and look good. I put the apc 17x6 prop on the Saito 180 and power was respectable but not super fast. But again, I like my warbirds to fly fast so speed is in eye of the beholder...
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Old 12-14-2005, 08:55 AM
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Default RE: CMP 71 zero... super tigre g2300 ?

Just trying to put things in prospective. I have a Saito 180 in a 83" 17.5 pound warbird. It flys scale like, maybe a little fast. I fly scale planes and like to fly them in a scale manner. If I wanted a fast plane then I would fly a jet or quickie 500. By all means power a model the way you want. Dave Platt has flown a 15 pound 80" Zero with a OS 108 using a 14x8 prop and recommends the combination. The GPS Zero does fly well with the Laser 120 which is small in size and not as powerful as other 120's. Friends at the field have Saito 100's and they are very close in power but lighter, wish I had one for a long nose coupled Zlin. I suspect a 91 2s would fit completely in the cowl which is very important to me as it looks much more scale. It is possible to place equipment so that adding lead is minimized. Lighter planes do fly better. Be safe and careful about over stressing the structure.

Most important is to power the plane so that it does what you want. IMHO a hovering Zero just does not look right, I would have a 3D plane or and Ultimate for that.

Enjoy

Carl

You should try a 16x8 if you want more speed. I currently am using a APC 17x8 and 10% at 8.4k rpm. Very nice running Saito!
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Old 12-14-2005, 04:43 PM
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Default RE: CMP 71 zero... super tigre g2300 ?


ORIGINAL: seanychen

Funny I just flew this combo last week. I decided to try out the ST 2300 on my Zero 71" that has originally a YS 120. Much to my dismay, the power was not any greater than the YS 120. The nice thing about this combo is that the engine is completely hidden when you mount inverted and use BCM inverted muffler. The muffler corner does stick out a little, but not bad. Also, I didn't add any lead weight, and it feels like the aft-end of acceptability.

And yes, with this power it can hover, and I've done it with YS 120. If you go with a Saito 100, it will fly, but you will need to stick another Saito 100 somewhere else in the cowl to balance the plane.
please tell me more about inverted motor and the BCM inverted muffler...im a noob and have never mounted upsidedown
but like the idea of the head at the bottom of the cowl
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