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Junior 60 Cowl

Electric version

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Skippers Walker24/06/2020 06:10:18
61 forum posts
14 photos

Hello

Just about to start the front end of my plan build J60, motor installed using the original engine bearers plus a ply plate.

I'd appreciate any recent close up pictures of actual Cowl construction for the Junior 60 'e' version. I've seen some photos of the earlier i/c versions.

Thanks for reading this thread.

Stay well folks

SW

kc24/06/2020 14:06:15
6575 forum posts
173 photos

It would seem that lots of the info on electric Junior 60 and other things have been deleted when somebody decided to leave the forum. Great shame.

However I recall one conversion which had the Lipo fitted vertically between the engine bearers -behind motor of course- with a removeable top to the cowl to access lipo and connect up. Seemed a good idea. I expect the lower cowl was built attached to engine bearers and was non removeable. Looking at other designs may give some ideas for construction - look at how Peter Miller builds up cowls for his models ( lots of photos on the forum)

gangster24/06/2020 15:15:59
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1035 forum posts
29 photos

Ok SW I will send you some pictures of how I did the front of my J60. Just need to remember how to do it

gangster24/06/2020 15:21:26
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1035 forum posts
29 photos

Basically I have built an open battery box in the first half of the cabin and the batter slides in from the front under the cowl. The motor screws onto an upright 1/4 ply plate fitted between the bearers

Gerald Priddle24/06/2020 15:21:34
1 forum posts

Here's a vid of my J60 with brushless motor and cowl setup.

I like elastic bands!

Battery compartment underneath bearers tight fit for a soft cover 3S.

I left a gap in the front of the top cowl as you can see to make sure everything stayed cool.

https://www.youtube.com/watch?v=3Ecr86Dkteo

Hope this is useful.

PatMc24/06/2020 15:31:33
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4429 forum posts
538 photos

SW this blog I did of refurbing & converting my Jnr 60 from ic to electric in 2012/13 includes some photos of the the cowl & battery position etc.
If you need any clarification just ask. thumbs up

gangster24/06/2020 15:32:43
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1035 forum posts
29 photos

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gangster24/06/2020 15:34:02
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1035 forum posts
29 photos

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gangster24/06/2020 15:35:11
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1035 forum posts
29 photos

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gangster24/06/2020 15:36:13
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1035 forum posts
29 photos

3728bd11-86bd-4f2a-bbaa-063d996bb721.jpegimage.jpg

Edited By gangster on 24/06/2020 15:38:46

gangster24/06/2020 15:47:29
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1035 forum posts
29 photos

image.jpgimage.jpgimage.jpg

kc24/06/2020 17:41:45
6575 forum posts
173 photos

It was PatMc's method that seemed very practical.

The other thing to say about cowls is that a good method is that of placing a ply disc and a spacer onto the prop shaft or prop adaptor and building the cowl sides to meet that ply disc which gives a neat fit. Also gives something solid to hold the balsa whilst glue dries. Shown in Peter Miller designs quite often. If a removeable top part is required then putting selotape etc along the split line and building up from there works as the selotape stops the glue from actually sticking where it's not needed. Gives a neater split line than sawing apart later.

Outrunner24/06/2020 20:20:22
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84 forum posts
27 photos

Hi SW here's my take on electrifying a J60. When I first built the model about 25 years ago it was powered by a OS26 FS, then I converted it to electric with a geared brushed motor and Ni-cads but it was a pain to remove the wing and swap batteries. So after languishing in the loft for many years I updated it this year to brushless motor and lipo batteries. The 1500ma pack slides in just behind the motor and the top of the cowl is held with a couple of cowl pegs and magnets. Flys a dream.

Phil.

img_20200624_195350.jpgimg_20200624_195505.jpg

img_20200624_195420.jpg

gangster07/07/2020 09:42:45
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1035 forum posts
29 photos

As promised I have bumped this up for the modeller who was asking about kits. This was built from the BB electric kit however I cannot see for the life of me the difference. I have used a 1/4 ply gas law bulkhead across the engine bearers. Tatty as you see but sound this model is for sale

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