CRRC GF45i  
View related threads: (in this forum | in all forums)

Tower Hobbies
Enter up to 4 keywords or Tower stock numbers
Logged in as Guest



Users viewing this topic: flyer7007
  Printable Version
       


RCS 215 cc Radial - RTR
Seller:  Barnstormer
Details:   $3,000.00   |  9/25/2008   |  Classified Ad
We will rotate YOUR AD in this spot if you select "Forum Featured" when placing or editing your ad!

All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Gas Engines >> CRRC GF45i
Page: [1] 2 3 4 5 6 7 8 9 10   next >   >>  

Login
Message << Older Topic   Newer Topic >>
CRRC GF45i - 7/21/2005 5:35:43 AM   
RustyTumbles



Posts: 752
Joined: 9/8/2003
From: Townsville NTH QLD, AUSTRALIA
Status: offline 		Hi all,

I am after some feedback on the new CRRC pro GF45i? This engine is new here in australia and I was looking at fitting on up to my WM extra. One guy at my club has one in a wild hare edge and it seems to run fine but his flight time has been limited. I am after info on props used and realiablity, tunning issues etc.
       Post #: 1

RE: CRRC GF45i - 7/21/2005 6:08:35 AM   
Birddog-RCU



Posts: 1137
Joined: 1/4/2002
From: Saratoga Springs, UT, USA
Status: offline 		Bigsport, do you have a website for this engine and manufacturer? I don't think I've ever heard of it.


_____________________________

Alan Cluff
Saratoga Springs, UT
Club Member: Utah Valley Aeromodelers

(in reply to RustyTumbles)
       Post #: 2

RE: CRRC GF45i - 7/21/2005 9:40:36 AM   
RustyTumbles



Posts: 752
Joined: 9/8/2003
From: Townsville NTH QLD, AUSTRALIA
Status: offline 		Have a look here:

http://www.sussex-model-centre.co.uk/GF45i+Petrol+Engine-5160.htm

They are new on the market here in australia, not sure how long they've been selling else where. The are selling for about $600 AUD with inverted pitts muffler here. The one at my club is currently swinging a bolly carbon 20x10 at 7200rpm, and its only had about 4 tanks of gas through it. They look the goods I'm just concerned about realiability and after sale service etc.

(in reply to Birddog-RCU)
       Post #: 3

RE: CRRC GF45i - 8/11/2005 2:27:32 PM   
airbatic2000


 

Posts: 22
Joined: 5/17/2003
From: Arendal, NORWAY
Status: offline 		I'm also interrested in this engine as a cheap entry into gas engines. I'll bump this thread to see if anyone has had more experience now.

Thanks.


(in reply to RustyTumbles)
       Post #: 4

RE: CRRC GF45i - 8/12/2005 9:32:59 AM   
TooLy



Posts: 895
Joined: 12/4/2002
From: Tel Aviv, ISRAEL
Status: offline 		HI All,

I have one GF45I currently running on a stand to finish break-in.
It was advertise here on RCU:
http://www.rcuniverse.com/forum/m_2403088/anchors_2403088/mpage_1/key_/anchor/tm.htm#2403088

I have only 1 hour of running and it's working great, i'm using now 1:25 mixture so it's very rich.
Spining 20x8 with ease, I think it's over 7000 but I will tach it today, overall seems very nice, idle very low, throttle transition is very quick at this mixture.

TBM will have them too:

http://www.troybuiltmodels.com/EngGF45i.htm

I spoke to the manufacture and he gave me full support, I bought it in Israel and I can get spare parts if there is need (not in stock, I have the pdf file of the parts)
No problems with tunning or anything else.

bigsport,
I would like to know how it's pulling the WH Edge, 7200 on 20x10 is very good.
I think it can handle a 22x8 after finish break-in, tbm says 21x8.

< Message edited by TooLy -- 8/15/2005 1:35:11 AM >

_____________________________

~Roei~

(in reply to airbatic2000)
       Post #: 5

RE: CRRC GF45i - 8/12/2005 6:55:24 PM   
TooLy



Posts: 895
Joined: 12/4/2002
From: Tel Aviv, ISRAEL
Status: offline 		Well, I got my new tachometer today and after 3 hours of running I got 9200 rpm with zinger pro 20x8 at 1:25 mixture.

< Message edited by TooLy -- 8/13/2005 11:08:49 AM >

_____________________________

~Roei~

(in reply to TooLy)
       Post #: 6

RE: CRRC GF45i - 8/13/2005 8:52:33 AM   
RustyTumbles



Posts: 752
Joined: 9/8/2003
From: Townsville NTH QLD, AUSTRALIA
Status: offline 		WOW!!! Put a bigger prop on it!!!!!! How is it running now? The guy at my field is having trouble with his now, not sure if it is just not tuned properly or what. I'll ask him tomorrow.

(in reply to TooLy)
       Post #: 7

RE: CRRC GF45i - 8/13/2005 11:10:20 AM   
TooLy



Posts: 895
Joined: 12/4/2002
From: Tel Aviv, ISRAEL
Status: offline 		I will try a bigger prop, I had some trouble too but with a new spark plug that didn't worked good, I'm still trying to find the right plug fo it.

_____________________________

~Roei~

(in reply to RustyTumbles)
       Post #: 8

RE: CRRC GF45i - 8/13/2005 1:54:44 PM   
airbatic2000


 

Posts: 22
Joined: 5/17/2003
From: Arendal, NORWAY
Status: offline 		Tooly,

20*8@9200 should be about 6 or 7 HP!!

Are you sure your tach is right??



< Message edited by airbatic2000 -- 8/13/2005 1:56:25 PM >

(in reply to TooLy)
       Post #: 9

RE: CRRC GF45i - 8/13/2005 1:59:12 PM   
TooLy



Posts: 895
Joined: 12/4/2002
From: Tel Aviv, ISRAEL
Status: offline 		I measured that a few times and that's what I got, and it also sound like high rpm.
One thing i can say, the engine has no problem at all to spin this prop, throttle transition from idle to full is immediately.
The tachometer is ok too.

_____________________________

~Roei~

(in reply to airbatic2000)
       Post #: 10

RE: CRRC GF45i - 8/14/2005 10:23:12 AM   
RustyTumbles



Posts: 752
Joined: 9/8/2003
From: Townsville NTH QLD, AUSTRALIA
Status: offline 		I like the power of this engine. It hovers my mates WH edge at half throttle. What concerns me is the reliablity of the engine and if it is posible to set and forget the needles. My mate was running 25:1 oil ratio and it sounded sick. So we pulled the plug and it was all fouled up. So we cleaned the plug and put some of the 40:1 fuel I run in my zenoah and retuned it. It ran better but still a little off. I think maybe the bottom end was a little rich, also I think some problems are comming from the side mounted carb hanging out in the breeze. I'm not sure if he is going to continue using the motor or pull it off. I may get it off him if he does take it out. Maybe a few mods will havi it running better!!!!!

(in reply to TooLy)
       Post #: 11

RE: CRRC GF45i - 8/14/2005 3:17:33 PM   
TooLy



Posts: 895
Joined: 12/4/2002
From: Tel Aviv, ISRAEL
Status: offline 		Mine runs great, with almost 1:20 and hotter plug is also make the plug dirty, so I closed the low needle 1/4 turn and was much better.
I have now more than 3 hours of running, so next time I will test with 1:32 mixture.
You know the weight of your mate's WH ?

< Message edited by TooLy -- 8/14/2005 3:18:39 PM >

_____________________________

~Roei~

(in reply to RustyTumbles)
       Post #: 12

RE: CRRC GF45i - 8/15/2005 12:49:05 AM   
RustyTumbles



Posts: 752
Joined: 9/8/2003
From: Townsville NTH QLD, AUSTRALIA
Status: offline 		About 16lbs I think. He has now pulled the motor out as he is fed up with it. Not sure why he pulled it out it seemed to be running ok after we changed fuel and tuned it. I might make him an offer on it and put it in my extra.

Has anyone had any drama's with it running backwards? I know my mates does occasionally fire and run backwards......

(in reply to TooLy)
       Post #: 13

RE: CRRC GF45i - 8/15/2005 1:32:47 AM   
TooLy



Posts: 895
Joined: 12/4/2002
From: Tel Aviv, ISRAEL
Status: offline 		So you say it hover your mates WH at 16 lbs ??? sounds good.
Running backwards ??? the starting is very easy by hand.

_____________________________

~Roei~

(in reply to RustyTumbles)
       Post #: 14

RE: CRRC GF45i - 8/15/2005 3:46:50 AM   
RustyTumbles



Posts: 752
Joined: 9/8/2003
From: Townsville NTH QLD, AUSTRALIA
Status: offline 		Yeah sometimes when you flick it, it bounces back off compression as it fires so it begins to run backwards. You just stop it and start try it again. Have you put the engine in an aeroplane and flown it yet??

(in reply to TooLy)
       Post #: 15

RE: CRRC GF45i - 8/15/2005 4:29:04 AM