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Build Log for Krick Grunau Baby IIb (1/4 scale)

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Martyn Johnston12/04/2011 12:44:24
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Just gone and bought myself a 'Grunau Baby IIb' kit, made by Krick.
It's just been delivered and I'm very impressed with the quality. Seems to be a very detailed kit; lots of bags of bits, and an awful lot of wood.
Having laid out the plans I'm rather surprised at just how big a 3.4m glider actually is - wow.
Any of you clever people out there got more experience than me with this sort of thing? (I think all of you have actually).
As I can't find a build log on here (there are a couple on RCgroups but not very detailed) I thought I'd better start one here.
I've been reading lots on the Interweb, but would appreciate any help as I go along.

Martyn Johnston12/04/2011 12:53:56
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I've taken a full-size copy of the plans, and I'll work from the copy (I like to look after the originals) I've also taken a mirror-image copy of the fuselage, to help with the left and right side views.
 
First step is going to be the tailplane, just because it looks easier.
The instructions say that this section 'will be no problem whatsoever' which is always worrying.
Finding the right bits of wood in such a large pile is not easy. There's a lot of guesswork here. I'm already getting the feeling that this is not a kit for the faint-hearted.
It states here that the ribs are to be made out of the '2mm x 20mm balsa strips supplied', but there are no strips of 2mm x 20mm. So I'm cutting down one of the larger 75mm wide sheets. If this is typical I imagine I'll have to buy some replacement bits of wood later, and have some extra bits left over.
Pete B - Moderator12/04/2011 13:10:20
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You lucky man, Martyn! I'd love to find a Grunau Baby again. I had one of these in the early '80's, just before I dropped out of the hobby.
 
I got as far as half-completing the fus and then sold it with all my other gear.
 
IIRC, I had some problems keep the fuselage straight when I started sheeting it, so it may be worth jigging it well. I think I'd do a better job these days....
 
Watching with interest.....
 
Pete
 
ps I've just noticed that yours is the 1/4 scale jobbie - mine was the 1/6th size - but I'll still watch

Edited By Pete B on 12/04/2011 13:13:00

Martyn Johnston12/04/2011 14:24:08
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Hi Pete,
The more watchers, and contributors, the better.
I've only ever built one balsa model before, so I think I'm stretching myself quite a lot with this. It's not going to be a quick build though, this sort of thing takes me ages.
Martyn Johnston13/04/2011 10:33:41
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811 forum posts
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Do any of you administrator types know if I can edit the title of this forum thread, to put a space between 'Krick' and 'Grunau' ? It might help people searching.
David Ashby - Moderator13/04/2011 10:39:38
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Posted by Martyn Johnston on 13/04/2011 10:33:41:
Do any of you administrator types know if I can edit the title of this forum thread, to put a space between 'Krick' and 'Grunau' ? It might help people searching.

Done

Danny Fenton13/04/2011 10:47:46
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Bookmarked Martyn, look forward to seeing how you get on

Cheers
Danny
Stefan Hafner13/04/2011 10:55:18
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Watching with interest,
Pete B - Moderator13/04/2011 11:03:11
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Martyn,
 
I think this site may be of considerable help to you.
 
Pete
Erfolg13/04/2011 11:55:47
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11187 forum posts
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I will be watching this build with interest.
 
The build should be very interesting and therapeutic.
 
I myself have always wanted to build the Klemm by Krick, as I have no ready access to a big hill.
 
All the best, with your build
Martyn Johnston18/04/2011 12:05:45
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811 forum posts
249 photos
Any administrators watching?
Is the photo album thing broken? I can't post any pictures (maybe since I installed IE9, I'm not sure).
If you are working on it, can you PLEASE allow us to upload a photo DIRECTLY from our hard drive. Putting it in the album first; then having to come back to forum to insert it is such a pain.
 
Martyn Johnston18/04/2011 13:38:40
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811 forum posts
249 photos
Thanks Pete B, I'd seen that one, Some good photos.
(I'm trying to add photos here, but having major problems with the upload system).
I'm progressing well with the tailplane/elevator.
The instructions certainly aren't detailed. But that just keeps it challenging.
I'm still not sure if I'm supposed to make the ribs tapered before I glue them on, or taper them afterwards.
And the instructions do say to make sure that the taper goes to the back of the t/e not the front, but as the ribs are simpy butted to the t/e I'm not sure how that'll work out.
Stefan Hafner18/04/2011 14:12:54
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Hi Martyn
 
Not sure if its what you want to do, but for photos i just use photobucket, then use the link to insert the pic into my post, works a treat every time
Martyn Johnston21/04/2011 13:15:43
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811 forum posts
249 photos
I know I could use 'photobucket', but I shouldn't have to. I should also be able to use this modelflying.co.uk forum properly. Even when it used to work the album part of this site was clunky; I should be able to just add a photo directly from my hard-drive !
It does, unfortunately, appear that the administrators are not interested in making things easier for us users.
I'm sorry administrators, but if you make it harder than other sites, then users will simply go and use the other sites !
 
MarkyMarc21/04/2011 14:05:27
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Agreed - this forum does need to make somethings much easier.
Erfolg21/04/2011 16:37:57
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11187 forum posts
1089 photos
The system used by the forum is easy, that is why I can use it.
 
I found it much easier than the previous Photobucket method.
 
Just follow the forum instructions, it could not be much easier.
Martyn Johnston21/04/2011 17:08:20
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811 forum posts
249 photos
I must have tried to add a second image to my 'Grunau' album about 50 times this week.
It DOESN'T work !!!
Erfolg21/04/2011 17:24:20
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11187 forum posts
1089 photos
Martyn
 
There must be a reason, I guess at least a thousand forumites have manged it easily.
 
Are you sure you have followed the procedure and downloaded jpeg images or whatever, just shows have none computer nerd I am.
 
Tim Mackey21/04/2011 18:01:10
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Please dont blame us administrators - its a request we have made to our tech guys, and although not yet top of the list, they are aware of it. being part of a larger group menas the poor tech people have a very heavy work load, and other matters take priority over things which, although "clunky" do work.
Tim Mackey21/04/2011 18:01:49
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20929 forum posts
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Posted by Martyn Johnston on 21/04/2011 17:08:20:
I must have tried to add a second image to my 'Grunau' album about 50 times this week.
It DOESN'T work !!!
 
Ill have a look.

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