RE: CMP/GSP Spitfire  
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RE: CMP/GSP Spitfire - 4/30/2005 9:35:08 AM   
HenrikL


 

Posts: 7
Joined: 8/20/2004
From: SevenoaksKent, UNITED KINGDOM
Status: offline 		I have been following this thread with great interest since I am in the middle of building this model too. I am now just past the 'which-retracts-to-choose-and-how-to-get-them-in-there' question. I went for Large Eurokit with Unitract struts connected by a 6mm steel rod.
Our field is rough grass, a real retract-killer, so I wanted something fairly sturdy. My opinion is that the stress of a hard landing has to be taken up somewhere, and the steel rod is supposed to be the 'weak' link here - if the surrounding areas are beefed up enough.

I didn't like the looks of the plastic wells and binned them - their fit is too tight, and if they are not cylindrical the wheel can easily get stuck if the setup is bent slightly. With a cylindrical well either it gets in (and can get out again) or doesn't and won't get stuck.

I will try to attach a few pictures, hope it works!

[image][/image] [image][/image] [image][/image] [image][/image]

Henrik.

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(in reply to Edwin)
       Post #: 51

RE: CMP/GSP Spitfire - 4/30/2005 3:32:41 PM   
SJN



Posts: 4363
Joined: 9/28/2002
From: Copenhagen, DENMARK
Status: offline 		Looks very neat Henrik.

Im still waiting for my german retracts to get here........ so at the moment my spit is grounded. Hand launching and belly landing this one is not ideal

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Sonnich Johannesen

(in reply to HenrikL)
       Post #: 52

RE: CMP/GSP Spitfire - 5/1/2005 5:21:16 PM   
docrob



Posts: 98
Joined: 10/13/2004
From: New Delhi, INDIA
Status: offline
quote:

well....at least it looks much better than these horible ARF`s

Y'know, some of them aren't all that bad as the pictures make them out to be. The second picture is a Phoenix .40-.46 size Spit, and its amazing scale except for the undercart with its wheels in. But the hardwood brace is so solid that retrofitting true scale retracts is going to be a breeze. Apart from that, this is one of the most scale looking Spits I've seen in the ARF category. And it helps that its a great flier. I had an OS FL-70 engine in her, which was a lemon (idling at 4000 rpm, dying after a minute of idling, max rpm of 9800, missing in inverted flight, but that's another thread) and I now - temporarily - have an OS 50 SX with a 12x8 APC prop in her (until my YS 63 gets delivered) and she does screaming low passes with immaculate handling. Great takeoffs, great landings.

She's just 5 flights old, and I think it's about time for that ugly landing gear to go. Scale retracts, here we come.

Here are some pictures of how she looks on the ground right now.



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< Message edited by docrob -- 5/1/2005 5:25:10 PM >

_____________________________

Flawless one point landing

(in reply to SJN)
       Post #: 53

RE: CMP/GSP Spitfire - 5/10/2005 12:16:36 PM   
SJN



Posts: 4363
Joined: 9/28/2002
From: Copenhagen, DENMARK
Status: offline 		Woohooo.....alomst 4 weeks after I ordered the retracts, and they are here!


Better dust off the spitfire

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Sonnich Johannesen

(in reply to docrob)
       Post #: 54

RE: CMP/GSP Spitfire - 5/10/2005 1:11:29 PM   
SJN



Posts: 4363
Joined: 9/28/2002
From: Copenhagen, DENMARK
Status: offline 		only need`d some slight trimming of the wood to make them fit.

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Sonnich Johannesen

(in reply to SJN)
       Post #: 55

RE: CMP/GSP Spitfire - 5/10/2005 1:55:30 PM   
jcilia


 

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

pls. let us know how it goes - strength and all. btw can you pls. re-write the part number as since the site is in Germany I cannot seem to find the part.

regards
Joe

(in reply to SJN)
       Post #: 56

RE: CMP/GSP Spitfire - 5/10/2005 3:42:55 PM   
SJN



Posts: 4363
Joined: 9/28/2002
From: Copenhagen, DENMARK
Status: offline 		you need two of these: ezf-100mk2 90 euro in total.

But lets se how thay do first

if they can take the weight of the 26cc gas engine, then it should take my 90 size and weight even better......i hope :-)

_____________________________

Sonnich Johannesen

(in reply to jcilia)
       Post #: 57

RE: CMP/GSP Spitfire - 5/10/2005 3:52:23 PM   
jcilia


 

Posts: 66
Joined: 5/21/2003
From: Bkara, MALTA
Status: offline 		Great will wait to hear from you

cheers

(in reply to SJN)
       Post #: 58

RE: CMP/GSP Spitfire - 5/10/2005 4:01:04 PM   
Phantom pty



Posts: 153
Joined: 5/25/2004
From: Panama City, PANAMA
Status: offline

This sure is a nice looking Spit docrob ..!!! Who makes it , where can it be purched..

Rgds

LE


quote:

ORIGINAL: docrob

quote:

well....at least it looks much better than these horible ARF`s

Y'know, some of them aren't all that bad as the pictures make them out to be. The second picture is a Phoenix .40-.46 size Spit, and its amazing scale except for the undercart with its wheels in. But the hardwood brace is so solid that retrofitting true scale retracts is going to be a breeze. Apart from that, this is one of the most scale looking Spits I've seen in the ARF category. And it helps that its a great flier. I had an OS FL-70 engine in her, which was a lemon (idling at 4000 rpm, dying after a minute of idling, max rpm of 9800, missing in inverted flight, but that's another thread) and I now - temporarily - have an OS 50 SX with a 12x8 APC prop in her (until my YS 63 gets delivered) and she does screaming low passes with immaculate handling. Great takeoffs, great landings.

She's just 5 flights old, and I think it's about time for that ugly landing gear to go. Scale retracts, here we come.

Here are some pictures of how she looks on the ground right now.





_____________________________

Phantom Pty

(in reply to docrob)
       Post #: 59

RE: CMP/GSP Spitfire - 5/10/2005 4:04:34 PM   
Phantom pty



Posts: 153
Joined: 5/25/2004
From: Panama City, PANAMA
Status: offline

Jcilia

what did you use for fuel prooffing , I have mine in a box and I am thinking of doing it do to my previous experience with my CPM F6F Hellcat which is great but painting is very sensible..
thks
LE


quote:

ORIGINAL: jcilia

Guys, have been following you with interest as I have final got down to start doing something with my Spit - Pete any chance of some photos re your retracts ? re engine I am going for the ASP 120 FS 4 as the 91 seems not enough ( according to Pete)

Re Flair yes mother company has gone into receivership I had some stuff ordered but they just advised that they can't do at the moment but Flair direct is still working - albeit slow at the moment.

re retracts I am looking at the Robarts ( like Pete's) Flair mechanical tempted due to price and even unitracts but I am not sure which would be right.

Re fuel proofing done as it's so dammed easy to scratch in fact wing paint is a disappointment.

Now some other questions. do you need special servos I was looking at using Futaba S3001s ? I am also putting in onboard glow, has anyone done that ?



_____________________________

Phantom Pty

(in reply to jcilia)
       Post #: 60

RE: CMP/GSP Spitfire - 5/11/2005 3:22:46 PM   
Edwin


 

Posts: 3324
Joined: 2/8/2002
From: Leander, TX, USA
Status: offline 		My spit came in last week. After looking thru most of the posts getting ideas, I've started on retract mounts. I'm using 90deg spring airs in mine, cause I just happen to have a set looking for a plane. Will use 3/16" struts at first, but later I'll make some oleos for it. The rest of the plane looks pretty decent. Has anybody had any concerns over the firewall? Require any strengthening?
Edwin

(in reply to Phantom pty)
       Post #: 61

RE: CMP/GSP Spitfire - 5/11/2005 3:53:44 PM   
UKWes


 

Posts: 35
Joined: 9/12/2004
From: Hastings, UNITED KINGDOM
Status: offline 		SJN,

Those German mech retracts look like quality engineering.....I guess you dont get the extra ply bracing they show on their site...though should be easy enough to make and install.....did you do this too?

I must say I think this is the route for me if they work out ok........were they friendly to setup?

Cheers
Wes

(in reply to Edwin)
       Post #: 62

RE: CMP/GSP Spitfire - 5/11/2005 4:16:26 PM   
butlern


 

Posts: 269
Joined: 5/14/2003
From: Iowa City, IA, USA
Status: offline 		Edwin,

I added some balsa triangle stock/fiberglass/epoxy between the firewall and the fuse. I am using a YS 120 air chamber, so I was at first concerned about the fuse holding up to the torque that this engine is capable of producing. I strengthened it before I ever flew the plane, so I cannot say whether there would have been problems. No problems thus far.

I think that it never hurts to strengthen the firewall/fuse junction.

Good luck with the spit.

Noah

(in reply to UKWes)