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RE: Venus II - 4/10/2006 5:28:16 PM   
rcstavros



Posts: 68
Joined: 3/29/2003
From: Thessaloniki, GREECE
Status: online 		CGRetired,
thank you for your answer to my question. As it turns out I think its worth waiting for the Venus II to be available in Europe and I plan to power it with an OS 120 AX (and a Perry pump) although I have a YS110 which needs a home.
I am also waiting to see flying tests from the owners of Venus II.

Stavros

(in reply to randy10926)
       Post #: 26

RE: Venus II - 4/10/2006 5:31:25 PM   
CGRetired



Posts: 4168
Joined: 9/14/2004
From: Galloway, NJ, USA
Status: online 		Hi. In my humble opinion, the OS 1.20 AX probably won't need a pump. I am using that engine in my Excelleron with the stock tank position and get plenty of fuel flow from muffler pressure.... that is unless you decide to put the tank back near the horizontal stab..ha.. just kidding. That engine does produce plenty of power. I am using a 15-10 APC prop and it climbs straight up without effort.

DS.

_____________________________

Skylark 70 - OS 75 AX; Venus II - OS 1.20 AX; Tiger 120 - OS 1.20 AX; Protege - OS .75 AX. Airtronics - Spektrum. AMA 705964. Semper Paratus!

(in reply to rcstavros)
       Post #: 27

RE: Venus II - 4/10/2006 5:36:18 PM   
rcstavros



Posts: 68
Joined: 3/29/2003
From: Thessaloniki, GREECE
Status: online 		Interesting to hear that there is no need for the pump. I intend to put the tank on CG. How is the prop clearence on the Excelleron?
I think it has an aluminum landing gear. Is this correct ?

(in reply to CGRetired)
       Post #: 28

RE: Venus II - 4/10/2006 8:06:45 PM   
ekir


 

Posts: 206
Joined: 3/17/2004
From: Howey-in-the-Hills, FL, USA
Status: offline 		Which engine would be better on the Venus II for pattern work? The OS 120 AX 2 stroke or the OS 120 4-stroke. I am wanting to run stock muffler and have an engine that runs great and is simple to adjust. What characterists would each engine have?

Thanks,

Ed

(in reply to rcstavros)
       Post #: 29

RE: Venus II - 4/11/2006 12:39:02 PM   
CGRetired



Posts: 4168
Joined: 9/14/2004
From: Galloway, NJ, USA
Status: online 		I have the OS 1.20 AX on an Excelleron. The two big advantages of the 2 stroke 1.20 is power and vibration. There is more power and less vibration with the two stroke.

The two aircraft are similar in size and weight so performance on the Excelleron probably equals what you will find on the Venus II. Using the 15-10 prop, I get very good performance. As someone else said, now that I have more than 5 tanks of fuel (recommended by OS in the manual), I can lean it out a tad and go to a different, more radical prop and get even more.. if I wanted to. It is adequate for my needs with the current configuration. I think it's a great choice (OS 1.20 AX two stroke). And a tad less in the financial department. It starts cleanly and warms up very quickly, and has remained very consistent.

DS.

_____________________________

Skylark 70 - OS 75 AX; Venus II - OS 1.20 AX; Tiger 120 - OS 1.20 AX; Protege - OS .75 AX. Airtronics - Spektrum. AMA 705964. Semper Paratus!

(in reply to ekir)
       Post #: 30

RE: Venus II - 4/11/2006 12:42:41 PM   
CGRetired



Posts: 4168
Joined: 9/14/2004
From: Galloway, NJ, USA
Status: online 		Hi Stavros.

I am running the OS 1.20 AX (as you know) and a 15-10 prop. It clears just fine. I have not yet whacked the prop on the ground, even during a tad rough landing . I have a 16-8 that I know fits and will be closer to the ground by a half inch, but still feel that there is plenty of clearance.

I did something that changed that ground clearance a bit, that was remove the original tail landing gear and put in a Sullivan gear. It raised the back up by about a quarter of an inch or so which, of course, lowered the nose a tad. But, again, no problems at all with ground clearance. By the way, I fly on grass and have no grass stains on the prop.

DS.

_____________________________

Skylark 70 - OS 75 AX; Venus II - OS 1.20 AX; Tiger 120 - OS 1.20 AX; Protege - OS .75 AX. Airtronics - Spektrum. AMA 705964. Semper Paratus!

(in reply to rcstavros)
       Post #: 31

RE: Venus II - 4/12/2006 12:53:53 PM   
Don M.



Posts: 1770
Joined: 3/2/2004
From: Halifax, NS, CANADA
Status: offline 		I have a Venus II on order at my LHS and have a question. I have an OS 120 FS I can put in it or I may order a Saito 125. My question is how are these planes balancing out ? The Saito 125 would save me about 8 ozs. over the OS but it wouldn't make any sense if I have to add weight up front. Can I make it balance with the Saito and the servos IN THE REAR ?

Thanks ....................

_____________________________

I can only please 2 people every day and #2 just left.

(in reply to CGRetired)
       Post #: 32

RE: Venus II - 4/13/2006 3:02:39 AM   
foxtrot


 

Posts: 100
Joined: 3/22/2002
From: whiteman afb, MO, USA
Status: offline 		Just maidened my Venus 2....I love it! I have a super tiger.90 with a pitts muffler on it, spinning a 13x6 prop...I think its a great combination. Plenty of power! Slows down to a crawl on landings.....I mostly do sport flying, its a great sports plane...will do anything! very stable and has a great speed range. awesome plane in my opinion. A++++

(in reply to rcstavros)
       Post #: 33

RE: Venus II - 4/13/2006 10:34:32 AM   
Don M.



Posts: 1770
Joined: 3/2/2004
From: Halifax, NS, CANADA
Status: offline
quote:

ORIGINAL: foxtrot

Just maidened my Venus 2....I love it! I have a super tiger.90 with a pitts muffler on it, spinning a 13x6 prop...I think its a great combination. Plenty of power! Slows down to a crawl on landings.....I mostly do sport flying, its a great sports plane...will do anything! very stable and has a great speed range. awesome plane in my opinion. A++++



Did you put your servos in the rear and how did it balance with the ST 90 ?

_____________________________

I can only please 2 people every day and #2 just left.

(in reply to foxtrot)
       Post #: 34

RE: Venus II - 4/13/2006 11:33:07 AM   
CGRetired



Posts: 4168
Joined: 9/14/2004
From: Galloway, NJ, USA
Status: online 		I too have one on order, actually lay away, at my LHS. After experiencing the power of the OS 1.20 AX engine on my Excelleron 90, I am planning on picking one more up for the Venus II. If the Super Tiger 90 performed so well for Foxtrot, I think the OS 1.20 will do just fine. As Don M requests, I am also interested in how it balanced.

I have another question, though, Foxtrot, how did you mount the engine? According to what I read, the engine can be mounted upright, sideways, or upside down. How did you mount yours?

DS.

_____________________________

Skylark 70 - OS 75 AX; Venus II - OS 1.20 AX; Tiger 120 - OS 1.20 AX; Protege - OS .75 AX. Airtronics - Spektrum. AMA 705964. Semper Paratus!

(in reply to Don M.)
       Post #: 35

RE: Venus II - 4/13/2006 1:01:35 PM   
Don M.



Posts: 1770
Joined: 3/2/2004
From: Halifax, NS, CANADA
Status: offline 		Yep, no sense of me spending $350.00 for a "lighter" engine (Saito 125) if I have to add nose weight.

_____________________________

I can only please 2 people every day and #2 just left.

(in reply to CGRetired)
       Post #: 36

RE: Venus II - 4/13/2006 1:26:33 PM   
CGRetired



Posts: 4168
Joined: 9/14/2004
From: Galloway, NJ, USA
Status: online 		Yeah, Don, I keep saying this, but that OS 1.20 AX really runs sweet. I had an EVO 100 on that plane that really gave me a tough time so I bit the bullet and bought the OS. Good choice on my part. Same weight as the EVO even with that big muffler. One problem I ran into, though, perhaps my fault. The bolt that holds both halves of the muffler broke while I was in the air a couple weeks ago. I probably overtightened it when I rotated back half with the exhaust port. I notified OS the next morning and a week later I got a brand new muffler in the mail. A whole muffer, not just the part that was broken. Good service!
So, that's my reason for going with that engine on the Venus II.

DS.

_____________________________

Skylark 70 - OS 75 AX; Venus II - OS 1.20 AX; Tiger 120 - OS 1.20 AX; Protege - OS .75 AX. Airtronics - Spektrum. AMA 705964. Semper Paratus!

(in reply to Don M.)
       Post #: 37

RE: Venus II - 4/13/2006 1:57:09 PM   
Don M.



Posts: 1770
Joined: 3/2/2004
From: Halifax, NS, CANADA
Status: offline 		I'm just sending off my last 2 - stroke ( OS 1.60 ) to it's new owner today. I have tried and tried to get comfortable with 2 - stroke engines ( cost, simplicity, etc. ) but I keep coming back to 4 - strokes ( I have 10 ). Engines are the most satisfiying part of the hobby for me and if an engines doesn't have a zillion parts flying around inside and have that putta putta sound I'm just not happy.

But I'm sure the 120 AX is a very fine engine, just not my cup of tea.



_____________________________

I can only please 2 people every day and #2 just left.

(in reply to CGRetired)
       Post #: 38

RE: Venus II - 4/13/2006 3:03:43 PM   
foxtrot


 

Posts: 100
Joined: 3/22/2002
From: whiteman afb, MO, USA
Status: offline 		I had to add 2 oz of weight in the tail with the super tiger .90, I mounted the servos internally up front though...I dont like exterior mounted servos, I think it spoils the looks of a plane. The plane is awesome...you wont regret it!

(in reply to Don M.)
       Post #: 39