David Norris Posted September 7, 2023 Posted September 7, 2023 Hi all Does anyone have any experience of trying to remove a mast stub from a mast, when they have been glued together? David
Nigel Winkley Posted September 7, 2023 Posted September 7, 2023 Hi David, not an easy one and need a few more details. What material is the mast and the mast stub made of? Do you know what was used to band them together? Cheers Nigel
David Norris Posted September 7, 2023 Author Posted September 7, 2023 Hi Nigel These are standard DF95 carbon? mast and stub. There was no lower protection ring fitted, so the mast itself has begun to split a little. I have no idea about what was used to bond them. David
Guzzilazz Posted September 7, 2023 Posted September 7, 2023 Stick it in boiling water... CA gives up when it gets to 100C Larry IOM &DF65 sailor North Essex
David Norris Posted September 7, 2023 Author Posted September 7, 2023 Thanks. I will give it a try! David
Guzzilazz Posted September 8, 2023 Posted September 8, 2023 I used a saucepan on the stove on a "rolling boil"... Be careful it may take a few immersions, and leave it in a while for the heat to transfer to the glue line Larry IOM &DF65 sailor North Essex
David Norris Posted September 8, 2023 Author Posted September 8, 2023 Ok. I will be “going in” later today - once I’ve plucked up the courage….! David
Nigel Winkley Posted September 8, 2023 Posted September 8, 2023 Super glue and fast epoxy will soften up in hot water. However I wouldn't put in to much effort as it's probably easier to start from fresh. 1
David Norris Posted September 8, 2023 Author Posted September 8, 2023 Hi Nigel That did occur to me and have had a look at RC Yachts to see the costs of a mast plus stub. They’re not cheap! I’m relatively new to rc/model yachts, and am enjoying tinkering so, regardless, it’s a learning exercise. Thanks for your contributions David
Tony Merritt Posted September 8, 2023 Posted September 8, 2023 Possibly too late? Could the mast be repaired? Bucks Composites have a lot of carbon - rod, tube, tow, sleeve, etc. Make a new one if the tube and rod from Bucks is the right size? https://www.bucks-composites.com/products
David Norris Posted September 8, 2023 Author Posted September 8, 2023 Not too late! The mast is unglued from the stub. I will look at what best to do with it now. I must make sure that whatever I do does not contravene class rules. I like the look of the site you directed me to and I have saved it. Many thanks David 1
Peter Baldwin Posted September 12, 2023 Posted September 12, 2023 If there is no ring at the base of the mast (or the top), then obtain some and fit them to ensure that the carbon does not split again if you do repair it. To give maximum strength you may be best to use epoxy to glue the stub into the mast after fitting the reinforcing ring. To be class legal on both the DF65 and 95, the carbon tube used must be from the manufacturer rather than from a carbon tube supplier and should also have the rings fitted, although by not fitting them the tube will have little strength at the ends.
David Norris Posted September 12, 2023 Author Posted September 12, 2023 Hi Peter Understood. That all makes very good sense and I’m very grateful for the guidance David
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