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Post by Admin on Nov 3, 2019 12:10:13 GMT -5
I have a J3 Cub that I am certain is an E-Flite product J3 Cub 25 Arf. I bought the plane used, and its in great shape except for the cowling, which appears to be fiber glass and is cracked and crumbling in places. The E-Flite product has been discontinued for at least 5 years, and I've searched high and low for a new cowl. Searching eBay for something close, I came across this Ebay 40 Cowl which looks to be a good match. However, its described as a Cub 40 while I have a Cub 25. Researching what differentiates something described as 25 versus 40 has been confusing. 25 appears to refer to an electric powered air plane while 40 refers to a gas powered plane and has something to do with engine displacement. It also appears that 25 and 40 can both refer to electric motors. Neither of this is helpful to me in determining whether or not a certain cowl is useful to me. I can't find many links where cowls are described with width/height/depth measurements. I had hoped that searching for other manufacturers using wing span size might work, but that hasn't proved successful either. The wing span of my Cub is 60", or 1520mm. I know I could try and find a cowl for a 1600mm wing span Cub, but I can't rally forecast whether or not that would be significantly out of proportion for my needs. Can anyone provide any insight as to what options I have. Would a 40 size work on a 25 size aircraft? If not, is there a way to construct another cowl using the ugly one I have as a mold? TM
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RICK
New Member
Posts: 40
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Post by RICK on Nov 3, 2019 20:50:19 GMT -5
depending on the damage it can be repaired ,go to the hobby shop and buy some medium fiberglass cut some pieces to cover the cracked areas and use ca glues to glue the fiberglass to the inside of the cowl ,thin and medium ca or both will work ,then you can use spot putty to fill the cracks on the outside of the cowl ,once dry sand and paint .i have done this to repair many cowls .the cowls you are looking at on e bay, if the sizes are the same the original and will fit on the plane right then it shouldn't matter
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RICK
New Member
Posts: 40
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Post by RICK on Jan 6, 2020 13:07:05 GMT -5
ADMIN did you replace or repair your cowl
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