RE: CMP/GSP Spitfire

RE: CMP/GSP Spitfire
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RE: CMP/GSP Spitfire - 7/10/2005 1:55:24 AM

fldmshlschroe

Posts: 243
Joined: 10/17/2004
From: Queens, NY, USA
Status: offline

can someone please tell me what their wing weighes and what their fuse weighes... I am building a cmp and want to make sure I'm on track/..... thanks

(in reply to Dave03B)

Post #: 151

RE: CMP/GSP Spitfire - 7/10/2005 9:41:48 AM

Dave03B

Posts: 2206
Joined: 6/5/2003
From: Bournemouth, UNITED KINGDOM
Status: offline

Wing - 1.9kg
Fuz - 3.4kg

RTF dry - using 1.08 2c.

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(in reply to fldmshlschroe)

Post #: 152

RE: CMP/GSP Spitfire - 7/15/2005 8:05:47 PM

BigK9

Posts: 86
Joined: 11/25/2002
From: San Clemente, CA, USA
Status: offline

Can someone tell me where the centerline for the engine for this plane should be? The instructions are worthless (all they had to do was include a couple of dimension). I assume there are supposed to be horizontal and vertical lines on the front of the firewall for the engine thrust line center, but mine did not come with any lines.
The holes for the fuel lines are also off.
I can wing it I guess, but I hate doing that.
If someone can just tell me where the center point on the firewall should be by measuring up from the bottom lip, that would be all I need.
Also, I had Century Jet move the upper nipple for the air retract kit they sell for this plane and it fits much better now. The old one had a nipple on the side and would have necessitated cutting the mounting rail to get it in, which is a no-no for me. They told me they are changing the config of their units for this plane based on my change.

(in reply to Edwin)

Post #: 153

RE: CMP/GSP Spitfire - 7/15/2005 8:14:46 PM

Edwin

Posts: 3309
Joined: 2/8/2002
From: Leander, TX, USA
Status: offline

Same here. I had to wing it. I left the rudder and elevators off so I could stand the plane on end and used the TAR method of engine alignment. And I also had to cut a new hole for the fuel tank and plugged the old one.
Edwin

(in reply to BigK9)

Post #: 154

RE: CMP/GSP Spitfire - 9/13/2005 2:54:25 AM

LMProd

Posts: 276
Joined: 12/31/2001
From: Woodland Hills , CA, USA
Status: offline

Robart Retract 609 HD 85degree - Would these work with the GSP Spitfire ??

I am picking up the kit tomorrow. First Warbird, have lots of stick time on pattern and other assorted planes. Thought this would be a good plane to start with.

Gary

(in reply to Pete850)

Post #: 155

RE: CMP/GSP Spitfire - 9/13/2005 12:33:24 PM

Edwin

Posts: 3309
Joined: 2/8/2002
From: Leander, TX, USA
Status: offline

Gary,
I think those robarts ought to work. I used spring air 85deg on mine. I'm on my second spit. I think I'm gonna angle the struts a little forward. Had a slight nose over issue on the first one. Wasnt too bad, just once in a great while. Gonna raise the back end and recess the forward end of the retracts a little to keep it centered in the strut slot in the wing.
Edwin

(in reply to LMProd)

Post #: 156

RE: CMP/GSP Spitfire - 9/13/2005 12:34:43 PM

Edwin

Posts: 3309
Joined: 2/8/2002
From: Leander, TX, USA
Status: offline

One other thing. I modified my retract mounts as was shown earlier in this thread.
Edwin

(in reply to Edwin)

Post #: 157

RE: CMP/GSP Spitfire - 9/13/2005 4:19:44 PM

jcilia

Posts: 66
Joined: 5/21/2003
From: Bkara, MALTA
Status: offline

Edwin,

which version of retracts did you use as I am still looking for good air/spring retracts.

Joe

(in reply to Edwin)

Post #: 158

RE: CMP/GSP Spitfire - 9/13/2005 5:15:36 PM

Edwin

Posts: 3309
Joined: 2/8/2002
From: Leander, TX, USA
Status: offline

I believe its the 104 gear set. Its 85deg with 3/16" struts. Have a look at http://www.retracts.com/prices.htm for info. I usually order my spring airs straight from the mfg. Nice people and sometimes you get a price break. I use spring airs on my 60 sized mustang thats been thru absolute hell trying to get the retract mount geometry right. Was constantly nosing over and breaking the mounts. Once I solved the nosing over problem the mounts were so mangled I had to remove them completely and start over. But at least the geometry will be right once fixed. AND the retracts always worked when they were supposed to. The spitfire didnt have enough hard time to tell but they're the same as whats in my mustang. I lost the spitfire when I flew thru the sun and couldnt see it any more. My spotter asked what the hell I was doing. I said I dont know, cant see it. He told me I'm in a spin about 100' up. And that was the end of it.
Edwin

(in reply to jcilia)

Post #: 159

RE: CMP/GSP Spitfire - 9/13/2005 11:37:49 PM

Pete850

Posts: 250
Joined: 9/19/2003
From: WaterloovilleHampshire, UNITED KINGDOM
Status: offline

quote:

ORIGINAL: LMProd

Robart Retract 609 HD 85degree - Would these work with the GSP Spitfire ??

See my post number 13........

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(in reply to LMProd)

Post #: 160

RE: CMP/GSP Spitfire - 9/15/2005 7:21:07 PM

LMProd

Posts: 276
Joined: 12/31/2001
From: Woodland Hills , CA, USA
Status: offline

Engine and Cooling

Thanks for all the help with the retractable gear.

I plan to make an airintake and a large exit for cooling. Has anyone experienced cooling problems with this set up ?

Trying to make up my mind about a Saito 91 or 120 four stroke. The reviewer Minn Flyer that posted the Spitfire review on RCU stated any .91 would work well, but most of the post in this tread are using a 120. Hmmmm. I plan to fly scale like.

Gary

(in reply to Pete850)

Post #: 161

RE: CMP/GSP Spitfire - 9/15/2005 11:37:12 PM

kqutob

Posts: 190
Joined: 10/3/2003
From: Jerusalem, ISRAEL
Status: offline

Gary
Use the 120 & dont look back

(in reply to LMProd)

Post #: 162

RE: CMP/GSP Spitfire - 9/16/2005 8:07:01 AM

Pete850

Posts: 250
Joined: 9/19/2003
From: WaterloovilleHampshire, UNITED KINGDOM
Status: offline

1.20 4-str is definately the way to go with this bird. I'm using an ASP 1.20 FS with a MAS 15x8. This setup flies very scale like and sounds superb.

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www.planenutz.co.uk

(in reply to kqutob)

Post #: 163

RE: CMP/GSP Spitfire - 9/16/2005 9:03:32 AM

HaveBlue

Posts: 852
Joined: 1/3/2005
From: Sydney, AUSTRALIA
Status: offline

I'm running a Magnum 1.20 4c with a 15 x 8, I did originally buy an OS 108 fsr+ a custom bisson pitts style muffler, but I got bagged out for running a two stroke in a war bird hence peer pressure urged me to buy the 4c, the only other thing I did was replace the cyno hinges with dubro LS hinges..this wasnt such a good idea as I now have a large gap between the surfaces , luckily Ive only done that to the alierons but they stick out slightly past the TE, thinking of buying another wing kit and redoing the hinges back to normal and maybe adding a better retract system ...I like some of the work you guys have done here... I just love this spit..pity about the canopy though!!

< Message edited by HaveBlue -- 9/17/2005 8:56:35 AM >

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(in reply to Pete850)

Post #: 164

RE: CMP/GSP Spitfire - 9/16/2005 9:36:39 PM

BlueMax3

Posts: 269
Joined: 10/12/2002
From: Livermore, CA, USA
Status: offline

I would not go with a 91 in this plane. I have a Saito 100 in mine and consider it to be marginal. Plus, a lot of weight will be needed up front with a 91. A 120 would work much better.

(in re