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Old Jul 06, 2006, 12:50 PM
CSI
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Last couple of questions for my Tiger Moth Build

Quick question about my Pico Tiger Moth build. I'm nearing the end, but need some help.
When mounting the center...fuselage to wing struts...I am not clear about where they mount on the upper wing. I have looked at all the pictures posted from everyone here, as well as the manual, but none are clear about it. Do they mount, with the little tabs, on the inside or outside of the folded rib? Can't be into the rib because I used microballoons and epoxy to fill that as suggested in the threads here.
So, inside our outside of the "rib" that forms from folding the wing into place? BTW...I am using the allerc plywood strut kit.
Other than that, shes' about ready to go...and coming out great. What a beautiful kit...definitely my favorite GWS kit so far. I have all but a Beaver, Pizza, and Mr Lin.
Gotta get these struts done and rig up the flying wires!
Thanks,
Ken
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Old Jul 06, 2006, 03:27 PM
Confused? Who, me?
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Ken,

I have allerc struts on mine and they are glued onto the longitudinal centrelines of the ribs, not inside, not outside. You may have to dig little holes to get the tabs in far enough that the longitudinal member is in contact with the rib (and epoxied to it).
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Old Jul 06, 2006, 10:27 PM
CSI
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Hey, thanks roger. Great, now I have extra work to do. I filled that rib thing full of baking soda/epoxy mix. Maybe my Dremel tool will help me here? I am loving this plane...it is just so elegant, fragile, pretty...I don't know, it's just cool. I don't think any of my other GWS builds ever took this long to complete. I think I am trying to make it too perfect, but at least I am having a good time doing it!
I have found a yellow Sharpie pen is definitely my friend in this build. It matches pretty well and covers all the edges, cuts, marks etc so I don't have little white marks everywhere. Should have her finished this weekend.
Thanks for the reply.
Ken
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Old Jul 06, 2006, 10:29 PM
CSI
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Another question:
Has everyone here that used the stock IPS motor used the 9x7 prop? Is that the favorite prop? I have not ever had any planes that used IPS power, so I am unfamiliar with properly propping it. Any suggestions are greatly welcome.
Thanks,
Ken
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Old Jul 06, 2006, 11:37 PM
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I used the 9070's and never had any reason to differ. Unless you're changing the gearing or motor I would stick with the 9070.
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Old Jul 07, 2006, 04:49 AM
CSI
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OK, that solves that...thanks for the info.
I did make my orange prop black though. It just didn't look right orange up there. Black looks great with the spinner and boack cowl.
Can't wait to get her up and flying.
Ken
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Old Jul 09, 2006, 09:55 PM
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I will post a video of my Pico TM in a few minutes.
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Old Jul 10, 2006, 01:42 AM
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CSI the picture of the battey cutout was this section modified by you!
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Old Jul 11, 2006, 03:31 AM
CSI
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Tallflyer,
I'm a bit afraid to answer about my battery compartment, but......yes.....
Now I'm afraid to ask why do you ask?
I fit my Common Sense 800mAh lipo right to that cutout and it fits perfectly flat. The area is quite strong and structured there. My gear also has the reinforced CF rods.
So, what's up?
Ken
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Old Jul 11, 2006, 07:56 AM
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CSI

The only reason I asked was that a couple years ago I did a post on the boards about changing the front end of the GWS ISP tigermoth to fith the new lipo battery packs!

I took out my dremel and made a slot in the front of my tigermoth and cut the cowl so the battery would fit perfect.

My design even used a velcro belt to keep the battery in place.

I sent it to GWS and mr Lin he said he loved that idea.

I thought maybe after all this time they got around to changing it!

(I put a 2 cell 1200 in mine and with setup you can get flight times of over 1 hour)

so your 800 should be good for atleast 45 minutes!

talk about thumb cramps!

I will post some pictures so you can see my design (just looking for them as I type this message)
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Old Jul 11, 2006, 10:55 PM
CSI
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Tallflyer,
Ok man, you had me going all night long. I spent hours on that front end working out every inch, making it strong, smooth, fit the lipo, etc. It took me quite a while to get it just right where I was happy with it. Just smoothing it out so it looked factory took forever. Then come your post! I thought maybe you were blasting me, making fun of how much I cut out, maybe telling me how I might have disrespected a sacred tiger moth by slicing it up or something?! It bugged me all night, I actually felt bad since this is my first TM and I have been trying to get a decent, scale job on it. I got tired of building zippy Formosa's and warbirds...I just wanted a very slow, long flying bird for my front yard. Something the neighbors will stand out and watch and not run for cover...or worry a lot about their cars
I feel better now! I have went through past TM threads, mods, etc as much as I could stand, but don't remember coming across what you mentioned. I copied a lot of stuff too, so I could have it in my stack of stuff?
I think your idea should be used as at least a addendum for the kits. Mr Lin should pay attention since it holds a lot of merit and definitely helps folks get a long flying model using new technology. Maybe resubmit it to him? Especially since he is now producing brushless stuff and lipo stuff? Maybe the time has come?
Good luck,
Ken
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Old Jul 11, 2006, 11:28 PM
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I found the pictures!

Here is what I came up with (it will even hold a new 3 cell 600 lipo)
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Old Jul 12, 2006, 08:28 AM
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I got the idea for mounting my Lipo from Tallflyer after I read his original thread on how he did it, his was much neater than mine.

I wound up cutting the front all the way forward though to accomodate larger packs and put velcro on the bottom so I just stick them in. I like the nice neat job you did on the battery compartment though. I might do something similar on my new one and since I'm not painting it it will probably be easier.

I messed up the fuse on my new one, tried to paint it and it looked awful so I ordered a new one. I'll post some pictures and a video of the maiden when I get it finished.
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Old Jul 12, 2006, 10:46 AM
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the trick to making a perfect battery area is to decide which battery you are going to use the most and build around that battery!

On my very first moth I designed the battery area around a 2 cell 1200 mah 7.4 volt lipo and was getting flights of up to 1 hour on a full pack!

Now that the new lipos are a little smaller and are made better and brushless IPS motors are coming down in price! even cdrom type motors I might go with a 3 cell 600 mah and give up time for high performance!
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Old Jul 12, 2006, 11:54 AM
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Tallflyer, drop a Little Screamer De Novo in it. I ran this motor on a Thunder Power 3S 730 and a 8043 prop. It practically ripped the wings off. The motor is light and best of all, no gear box........
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