Lt40/lt25
#1
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From: kcmo
Howdy-
I'm curious as to the differences between these two planes- are they pretty much the same plane on a different scale? I'm almost finished with my -40, and I'm thinking about scratch building a -25 for kicks and lack of funds to buy a new kit. I've seen the specs on the two (70" span, 14.25 chord vs. 63" span, 11.25 chord; length, etc.)and I've got my -40 plans scanned and in a CAD program. It seems that I can pretty much just scale down what I have and go from there, but I'd appreciate any thoughts-
Cheers,
Brett
I'm curious as to the differences between these two planes- are they pretty much the same plane on a different scale? I'm almost finished with my -40, and I'm thinking about scratch building a -25 for kicks and lack of funds to buy a new kit. I've seen the specs on the two (70" span, 14.25 chord vs. 63" span, 11.25 chord; length, etc.)and I've got my -40 plans scanned and in a CAD program. It seems that I can pretty much just scale down what I have and go from there, but I'd appreciate any thoughts-
Cheers,
Brett
#4
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From: kcmo
No, it's a kit. Although I've been building balsa planes for years, this is my first foray into R/C. I'm simply curious if the plans for these two are identical-
Thanks,
Brett
Thanks,
Brett
#5

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From: Athol,
ID
They are fairly close as I remember, just built a fus. for the 25 about three weeks ago. The 25 is a tail-dragger and you may need a little help setting up the steerable tail wheel. You should be able to use a little thought and come out with a different appearing plane(kit-bashing) . As far as kits go, they are very basic but are great fliers, want a little fun, take off the wing ends eliminating the end bay, take out almost all of the dihedral (leave about a half inch under each end, then hang something like a LT 40 on it. Great little second plane.
#6
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From: jackson, TN
LT-25s a nice trainer 2. I started out with one and still have it, albeit nothing to brag about.
Id rethink the scratch build for the purpose of saving money though.
I dont think you could buy the lumber, landing gear, hinges, hardware, ect., ect. for less or even at the cost of the relatively inexpensive kit.
Id rethink the scratch build for the purpose of saving money though.
I dont think you could buy the lumber, landing gear, hinges, hardware, ect., ect. for less or even at the cost of the relatively inexpensive kit.
#7
Senior Member
The LT25 is NOT a scaled down LT40.
For one, the LT25 is almost 100% balsa. The only light ply in the whole kit is the landing gear brace, the wing brace and the firewall. The '40 has a lite ply fuse.
The LT25 is a taildragger with a pull-pull rear wheel.
The '25 comes in at almost 2 lbs lighter and will fly circles around it's big brother.
Unless you have a large selection of balsa sitting around, I doubt you could build one from scratch for the same price as a kit. If money's the point the kit is the better choice.
Good luck
For one, the LT25 is almost 100% balsa. The only light ply in the whole kit is the landing gear brace, the wing brace and the firewall. The '40 has a lite ply fuse.
The LT25 is a taildragger with a pull-pull rear wheel.
The '25 comes in at almost 2 lbs lighter and will fly circles around it's big brother.
Unless you have a large selection of balsa sitting around, I doubt you could build one from scratch for the same price as a kit. If money's the point the kit is the better choice.
Good luck
#9
Senior Member
Dinger,
If you like, you can email me your address and I can drop the plans and instructions in the mail for you. I have no use for them, if I build another I will get another kit.
Cheers.
If you like, you can email me your address and I can drop the plans and instructions in the mail for you. I have no use for them, if I build another I will get another kit.
Cheers.



